+

WO2018033965A1 - Système et procédé d'analyse de comportement de jambe inférieure et système et procédé d'évaluation de comportement de jambe inférieure - Google Patents

Système et procédé d'analyse de comportement de jambe inférieure et système et procédé d'évaluation de comportement de jambe inférieure Download PDF

Info

Publication number
WO2018033965A1
WO2018033965A1 PCT/JP2016/073945 JP2016073945W WO2018033965A1 WO 2018033965 A1 WO2018033965 A1 WO 2018033965A1 JP 2016073945 W JP2016073945 W JP 2016073945W WO 2018033965 A1 WO2018033965 A1 WO 2018033965A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
lower leg
behavior
angle information
analysis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2016/073945
Other languages
English (en)
Japanese (ja)
Inventor
洋人 森
麻里子 千葉
武弘 田川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asics Corp
Original Assignee
Asics Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asics Corp filed Critical Asics Corp
Priority to PCT/JP2016/073945 priority Critical patent/WO2018033965A1/fr
Priority to JP2018534226A priority patent/JP6582136B2/ja
Publication of WO2018033965A1 publication Critical patent/WO2018033965A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D1/00—Foot or last measuring devices; Measuring devices for shoe parts
    • A43D1/02—Foot-measuring devices

Definitions

  • the present invention relates to an analysis system and analysis method for the behavior of the lower leg, an evaluation system and an evaluation method for the behavior of the lower leg.
  • a shoe selection system (hereinafter referred to as a selection system) that evaluates the result of analyzing the behavior of the lower leg of the customer and selects shoes suitable for the evaluation is used.
  • a selection system that evaluates the result of analyzing the behavior of the lower leg of the customer and selects shoes suitable for the evaluation.
  • Such a selection system derives the angle formed by the centerline of the calf and the centerline of the heel as an inclination angle of the ankle from an image obtained by photographing a customer during traveling, and evaluates the behavior of the ankle based on the inclination angle.
  • a shoe selection means for selecting a shoe suitable for the evaluation of the inclination angle determination means.
  • the selection system since a shoe suitable for the evaluation of the inclination angle of the ankle, which is the analysis result of the behavior of the lower leg, is selected, it is possible to provide the customer with a shoe suitable for the behavior of the ankle. It is supposed to be possible.
  • the above selection system analyzes only the behavior related to the inclination angle among the behavior of the lower leg, the accuracy of the analysis result is lacking, and accordingly, the accuracy of the evaluation based on the analysis result is also low. It has become.
  • the present invention provides an analysis system and analysis method for the lower leg behavior that can accurately analyze the lower leg behavior, an evaluation system for the lower leg behavior and an evaluation method that can accurately evaluate the lower leg behavior. It is an object to provide a method.
  • the analysis system for the behavior of the lower leg of the present invention is as follows.
  • the analyzer has a processing unit for deriving analysis information quantitatively representing the behavior of the lower leg portion,
  • the processing unit derives relative angle information representing the inclination of the heel relative to the lower leg and inclination angle information representing the inclination of the heel relative to the ground of the foot based on the behavior of the lower leg, and the relative angle information And the analysis information based on the tilt angle information.
  • the processor is The analysis information may be derived on an orthogonal coordinate system having the relative angle information and the tilt angle information as components.
  • the analysis information may be derived on an orthogonal coordinate system having the relative angle information and the tilt angle information as vector components.
  • the processor is Deriving twist angle information representing the twist degree of the lower leg with respect to the heel from the behavior of the lower leg, Tilt information which is information derived based on the relative angle information and the tilt angle information, and twist which is information derived based on the relative angle information, the tilt angle information and the twist angle information.
  • Tilt information which is information derived based on the relative angle information and the tilt angle information
  • twist which is information derived based on the relative angle information, the tilt angle information and the twist angle information.
  • Information and The analysis information may be derived based on the tilt information and the twist information.
  • the processing unit Deriving the tilt information on an orthogonal coordinate system having the relative angle information and the tilt angle information as components may be derived on an orthogonal coordinate system having the relative angle information, the tilt angle information, and the twist angle information as components.
  • the processing unit includes: Deriving the tilt information on an orthogonal coordinate system having the relative angle information and the tilt angle information as vector components,
  • the twist information may be derived on an orthogonal coordinate system having the relative angle information, the tilt angle information, and the twist angle information as vector components.
  • the processor is Determine the type of how to put the foot on the ground during the running of the subject to be analyzed for the behavior of the lower leg,
  • the relative angle information and the tilt angle information may be derived based on information in a section set in the stance phase according to a determination result of the type of how to put on the foot.
  • the processing unit The manner in which the subject reaches his / her feet during running is either a heel-contact where the heel first touches the ground in the stance phase, or a flat-ground where the entire back side of the foot lands on the ground substantially simultaneously in the stance phase.
  • the start time of the subject's stance phase is set as the start time of the interval, and the time when 55 to 65% of the entire stance phase has elapsed is set as the end position of the interval. It may be configured as follows.
  • the processing unit How to get the feet while the subject is running, In the stance phase, when it is first determined that the toes are grounded on the ground, The time when 3 to 10% of the entire stance phase has elapsed is set as the start time of the section, and the time when 55 to 65% of the entire stance phase has elapsed is set as the end position of the section. It may be configured to.
  • the processor is The type of how to put on the foot may be determined based on the angle of the heel in the sagittal plane with respect to the ground when the subject is standing still.
  • the analysis system for the behavior of the lower leg of the present invention is as follows.
  • two reference lines that are straight lines parallel to each other, and two reference lines that serve as a reference for aligning the direction of the foot when the subject is standing still are drawn,
  • the processor is The type of how to put on the foot may be determined based on the angle of the eyelid in the sagittal plane with respect to the ground of the subject who has taken a stationary posture with the feet aligned with the reference line. .
  • the method for analyzing the behavior of the lower leg of the present invention is as follows.
  • An analysis process for analyzing the behavior of the lower leg including the lower leg and legs during the stance phase In the analysis process, Based on the behavior of the lower leg, derive relative angle information indicating the degree of inversion of the heel with respect to the lower leg, and tilt angle information indicating the degree of inclination of the heel with respect to the ground of the foot, Based on the relative angle information and the tilt angle information, analysis information that is information that quantitatively represents the behavior of the lower leg portion is derived.
  • the analysis information may be derived on an orthogonal coordinate system having the relative angle information and the tilt angle information as components.
  • the analysis information may be derived on an orthogonal coordinate system having the relative angle information and the tilt angle information as vector components.
  • the analysis step Deriving twist angle information representing the twist degree of the lower leg with respect to the heel from the behavior of the lower leg, Tilt information which is information derived based on the relative angle information and the tilt angle information, and twist which is information derived based on the relative angle information, the tilt angle information and the twist angle information.
  • Tilt information which is information derived based on the relative angle information and the tilt angle information
  • twist which is information derived based on the relative angle information, the tilt angle information and the twist angle information.
  • Information and The analysis information may be derived based on the tilt information and the twist information.
  • the evaluation system for the behavior of the lower leg of the present invention is as follows. Observing the lower leg including the lower leg and leg in the stance phase and obtaining observation information that is information on the posture of the lower leg, and analyzing information analyzing the behavior of the lower leg based on the observation information And a processing device that executes a process of evaluating the behavior of the lower leg based on the analysis information,
  • the processor is Based on the observation information, relative angle information indicating the degree of inversion of the heel with respect to the lower leg, tilt angle information indicating the degree of inversion of the heel with respect to the ground of the foot, and the angle of the lower leg with respect to the heel
  • a pre-processing unit for deriving behavior information including twist angle information representing a degree of twist; Tilt information, which is quantitative information derived based on the relative angle information and the tilt angle information, or quantitative information derived based on the relative angle information, the tilt angle information, and the twist angle information.
  • An analysis unit for deriving the analysis information composed of any of the twist information;
  • an evaluation reference value that is a reference value for comparison with the tilt information is stored in advance.
  • the analysis unit is configured to execute a process of determining which information of the tilt information and the twist information is used as the analysis information based on a comparison result between the tilt information and the evaluation reference value. May be.
  • the method for evaluating the behavior of the lower leg of the present invention is as follows.
  • An analysis process for deriving analysis information consisting of any of the twist information;
  • FIG. 1 is a schematic diagram of a system for evaluating the behavior of a lower leg according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of the leg lowering behavior evaluation system according to the embodiment.
  • FIG. 3 is an explanatory diagram of the measuring instrument of the lower leg behavior evaluation system according to the embodiment, and is a view of the measuring instrument viewed from the back side of the subject.
  • FIG. 4 is a plan view of a mat that is an auxiliary instrument of the lower leg behavior evaluation system according to the embodiment.
  • FIG. 5 is an explanatory diagram of a ground contact angle that is an angle of the foot with respect to the ground.
  • FIG. 6A is an explanatory diagram of a reference for measuring the contact angle.
  • FIG. 1 is a schematic diagram of a system for evaluating the behavior of a lower leg according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of the leg lowering behavior evaluation system according to the embodiment.
  • FIG. 3 is an explanatory diagram of the measuring
  • FIG. 6B is an explanatory diagram of a method for deriving contact angle information according to the embodiment.
  • FIG. 7A is a schematic diagram illustrating a type of foot attachment according to the embodiment, and is a schematic diagram illustrating heel contact.
  • FIG. 7B is a schematic diagram illustrating a type of foot attachment according to the embodiment, and is a schematic diagram illustrating flat grounding.
  • FIG. 7C is a schematic diagram showing types of how to put on the foot according to the embodiment, and is a schematic diagram showing toe grounding.
  • FIG. 8 is an explanatory diagram of analysis information of the leg lowering behavior evaluation system according to the embodiment.
  • FIG. 9 is an explanatory diagram of a state in which the evaluation result of the evaluation system for the behavior of the lower leg according to the embodiment is output.
  • FIG. 10 is a flowchart of the pronation analysis method and the evaluation method of the pronation analysis result by the leg lower leg behavior evaluation system according to the embodiment.
  • FIG. 11 is a sub-flowchart showing a specific process for deriving behavior information in the analysis section shown in FIG. 10, and is a flowchart of a process for deriving behavior information.
  • FIG. 12 is a sub-flowchart showing specific processing of the pronation analysis shown in FIG.
  • FIG. 13 is a sub-flowchart showing a specific process for evaluating the analysis result of the pronation shown in FIG.
  • FIG. 14 is an explanatory diagram of relative angle information and tilt angle information of the lower leg behavior evaluation system according to the embodiment.
  • FIG. 15 is an explanatory diagram of twist angle information of the lower leg behavior evaluation system according to the embodiment.
  • FIG. 16 is a diagram showing experimental results of Experimental Example 2 of the present invention.
  • the evaluation system for behavior of a lower leg according to an embodiment of the present invention will be described with reference to the accompanying drawings.
  • the evaluation system according to the present embodiment is a system that analyzes the combined behavior of the heel and the lower leg of the supporting leg in the stance phase during running or walking and evaluates the analysis result of the combined behavior.
  • the lower leg portion is a portion including the lower leg and the foot in the entire lower limb.
  • “L” is attached to the lower leg
  • “F u ” is attached to the lower leg
  • “F f ” is attached to the foot.
  • “F n ” is attached to the ankle
  • “F h ” is attached to the heel of the foot F f
  • “F t ” is attached to the toe.
  • the lower leg F u tibia it complex behavior of internal rotation (heel including torsion) to the inside of the shin F h and lower leg F u for heel F h is called a pronation of) the following description.
  • the behavior of the lower leg L during traveling (running state) will be described, but these explanations also apply during walking (walking state).
  • the evaluation system includes an observation device 2 that acquires observation information obtained by observing the posture of the lower leg L in a stationary standing state or a running state of a subject who analyzes and evaluates a pronation, and the observation
  • a processing device 3 for analyzing the pronation based on the information and evaluating the analysis result of the pronation, and a display device 4 for displaying the evaluation result of the pronation by the processing device 3 are provided.
  • the processing device 3 and the display device 4 are integrated.
  • the observation device 2 includes a photographing device 20 that captures a subject in a stationary standing state or a traveling state, and a measuring instrument that measures information representing the posture (orientation) of the lower leg L of the subject in a stationary standing state or the traveling state. 21 and an auxiliary instrument 22 that assists the observation of the subject.
  • the photographing device 20 is configured to output a still image obtained by photographing a subject in a still standing state from the back side to the processing device 3.
  • the photographing device 20 is configured to be able to output to the processing device 3 a moving image in which a subject in a running state is photographed from the back side at a predetermined frame rate.
  • the frame rate is set to 60 frames / second or more, for example.
  • Each frame of the moving image shot by the shooting device 20 visually represents the posture of the lower leg L of the subject at each point in the shooting period.
  • the imaging device 20 is, for example, a video camera, and can perform wired communication or wireless communication with the processing device 3.
  • Measurement instrument 21 is configured to be attached to the lower leg L of the subject, the orientation in the three-dimensional heel F h and lower leg F u configured to obtain quantifiable information quantitatively represents Yes.
  • the observation device 2 is configured to obtain quantification information at the time of photographing by outputting observation information obtained by photographing the measuring instrument 21 with the photographing device 20 to the processing device 3. Has been.
  • the quantification information at the time of shooting is associated with the still image of the subject photographed by the photographing device 20, and the moving image of the subject photographed by the photographing device 20 corresponds to each frame. Quantification information at the point of time is associated.
  • the measuring instrument 21 includes a plurality of (four in FIG. 3) markers 210 attached to the lower leg L of the subject.
  • the observation information obtained by photographing the upper marker 210 and the lower marker 210 by the photographing device 20 is output to the processing device 3, thereby acquiring the three-dimensional orientation as quantification information. Can do.
  • the marker 210 is, for example, an AR (Augmented Reality) marker. Then, in the still image or moving image obtained by photographing the marker 210 with the photographing device 20, virtual three-direction axes are projected on the marker 210.
  • the three-dimensional orientation is represented by, for example, three axes: a vertical axis corresponding to the vertical direction, a depth axis corresponding to the subject's running direction or walking direction, a vertical axis and a left-right axis orthogonal to the depth axis. Direction.
  • the marker 210 is attached in a state where the subject is barefoot (see FIG. 3), and the photographing by the photographing apparatus 20 is also performed in a barefoot state. Further, in order to attach the upper marker 210 and the lower marker 210 to the lower leg L of the subject, for example, the upper marker 210 and the lower marker 210 are directly attached to the lower leg L of the subject with an adhesive or the like, It may be attached to the lower leg L of the subject using a band or the like.
  • the auxiliary device 22 includes a mat 220 for aligning the direction of the lower leg L when the subject takes a standing posture, and the subject runs at a predetermined position.
  • a treadmill 221 (see FIG. 1) for continuing.
  • the mat 220 is an instrument used when acquiring offset information described later from the lower leg L of the subject in a stationary standing state.
  • a foot placement area 220a indicating a position where the foot F f is placed and a reference line 220b which is a straight line passing through the foot placement area 220a are drawn.
  • a foot placement area (hereinafter referred to as a left foot placement area) 220a on which the subject's left foot F f is placed and a foot placement area (hereinafter referred to as a right foot placement area) on which the subject's right foot F f is placed.
  • 220a which are drawn so as to be arranged at predetermined intervals in the lateral direction (width direction) of the mat 220, respectively.
  • the distance between the left foot depositing area 220a and the right foot depositing area 220a, the spacing of the feet F f is set to be about shoulder width when the subject is placed both feet F f foot depositing area 220a .
  • a plurality of left footrest areas 220a having different sizes are drawn on the surface of the mat 220 so as to be a group, and a plurality of right footrest areas 220a having different sizes are a group. Are drawn on the surface of the mat 220.
  • Two reference lines 220b are drawn on the surface of the mat 220 according to the present embodiment.
  • One reference line 220b is as connecting the vertex of the vertex and the heel F h side of the toe F t side of the left foot depositing area 220a are drawn in a straight line
  • the other reference line 220b is right foot location depicted in a linear shape so as to connecting the vertex of the vertex and the heel F h side of the toe F t-side region 220a.
  • the pair of reference lines 220b extend straight along the longitudinal direction of the mat 220 (vertical direction in FIG. 4) so as to be substantially parallel to each other.
  • the reference line 220b is subject is a straight line used as a reference for aligning the orientation of the foot F f topped foot depositing area 220a.
  • the mat 220 is disposed in front of the photographing apparatus 20 in a state where the vertical direction (direction in which the reference line 220b extends) corresponds to the optical axis direction of the photographing apparatus 20. Therefore, when the subject puts the foot F f in the footrest region 220a and further gets on the mat 220 so that the direction of the foot F f is aligned with the direction along the reference line 220b, the subject's heel F h , a state in which the calf (behind the lower leg F u) is directed straight to photographing apparatus 20.
  • the treadmill 221 is disposed in front of the photographing apparatus 20. Further, the treadmill 221 is arranged so that the subject turns his back to the photographing apparatus 20 and can perform a traveling operation while being peeled in a direction corresponding to the optical axis direction of the photographing apparatus 20.
  • the processing device 3 analyzes the pronation and evaluates the analysis result of the pronation. That is, the processing device 3 is an analysis device that analyzes a pronation, and is also an evaluation device that evaluates the analysis result of the pronation.
  • the processing device 3 includes a processing unit 30 that analyzes the pronation and evaluates the result of the pronation based on the observation information transmitted from the observation device 2.
  • the processing unit 30 derives behavior information that quantitatively represents the behavior of each part of the lower leg L based on the observation information transmitted from the observation device 2, and the preprocessing unit 31
  • the analysis unit 32 analyzes the pronation based on the derived behavior information, and the evaluation unit 33 evaluates the analysis result of the pronation by the analysis unit 32.
  • the pre-processing unit 31 determines a section (hereinafter referred to as a designated section) to be used for analyzing a pronation with respect to a moving image (moving image associated with quantification information) transmitted from the observation device 2; A section suitable for analyzing the pronation for the designated section based on how the foot F f reaches the ground of the subject at the time of traveling, that is, a section used for deriving the behavior information for the designated section. And an analysis interval setting unit 311 for setting (hereinafter referred to as an evaluation interval).
  • the section specifying unit 310 is used when a section corresponding to the stance phase is specified for a moving image associated with quantification information.
  • the stance period is a period from the time when the foot F f of the subject in the running state reaches the ground until the foot F f completely leaves the ground.
  • the section specifying unit 310 is configured to set the start time and end time of the specified section for the moving image. Specifically, the section specifying unit 310 sets the time when the foot F f first touches the ground in the stance period as the start time of the specified section, and the time when the foot F f completely leaves the ground in the same stance period. Is set as the end point of the specified section.
  • the section specifying unit 310 may be configured to manually set the start time and end time of the specified section for the video, or automatically start and end the specified section for the video. You may be comprised so that a time may be set.
  • the analysis section setting unit 311 is based on the information in the specified section, and determines a way of wearing the foot F f when the subject is traveling, and the contact type determination unit 311a and the foot F f by the contact type determination unit 311a.
  • Grounding type discrimination section 311a is grounded angle to derive the ground angle HC heel F h of the subject relative to the ground based on information in said designated section information representative of the (see FIG. 5) (hereinafter, referred to as a ground angle information) a deriving unit 311Aa, an angle for correcting the ground angle information derived in angle based on the ground angle deriving section 311Aa in the sagittal plane of the heel F h of the subject P (see FIG. 1) with respect to the ground at the time of still standing.
  • the information correction unit 311ab and a classification determination unit 311ac that determines how to wear the foot F f when the subject is running.
  • the contact angle deriving unit 311aa is configured to derive contact angle information based on quantification information at a time corresponding to the start time of the designated section.
  • the ground angle HC contained in the ground angle information, as shown in FIG. 1, and FIG. 5 is that the angle between the reference line BL and the ground through the heel F h in the sagittal plane P .
  • Reference line BL through the heel F h is, for example, a straight line connecting the heel bone ridge and the second ⁇ end in a stationary standing state.
  • the sagittal plane P is a plane composed of a traveling direction Ah and a vertical direction Av as shown in FIG.
  • the angle information correcting unit 311Ab so that applying a correction to the angle information obtained heel F h from the lower marker 210.
  • the angle information correction unit 311ab receives offset information indicating the angle of the subject's heel F h (angle HCs of the heel F h with respect to the ground) of the subject taking the stationary posture based on the quantification information at the time of the stationary standing.
  • the angle HCs of the subject's heel F h taking a stationary posture is the angle of ⁇ F h obtained by observing the lower marker 210 in a state of being placed on the mat 220 as described above, and more specifically.
  • 6A is an angle HCs formed by the depth axis (the orientation Am of the lower marker 210) indicated by the lower marker 210 and the ground (see FIGS. 1 and 6A).
  • the angle information correction unit 311ab includes the offset information including the angle HCs and the contact angle information including the angle HCt of the heel F h obtained from the lower marker 210 at the moment when the foot F f contacts the ground. based, derives a relative angle of heel F h at the time of running for the angle of the heel F h during static standing, reset the information representing the relative angle as a ground angle information.
  • the contact angle HC is derived from the following equation (1).
  • HCt ⁇ 2 °
  • the angle information correction unit 311ab can remove an error that may occur when the marker 210 is attached, and more accurately determine how the foot F f is to be attached.
  • the classification determination unit 311ac determines the type of how the foot F f is to be worn when the subject is running.
  • Classification determination section 311ac according to the present embodiment, first heel contact to heel F h arrives on the ground at the beginning of the stance (see FIG. 7A), substantially simultaneously the entire back side of the foot F f at the start of the stance ground flat ground (see FIG. 7B) to get to, or any on whether the corresponding first toe ground toe F t arrives on the ground at the beginning of the stance (see FIG. 7C) is determined.
  • the classification discriminating unit 311ac determines that the foot F f should be worn if the contact angle HC represented by the new contact angle information is, for example, 0 ° or more (HC ⁇ 0 °). Alternatively, it is determined that the contact is flat, and if the contact angle HC represented by the new contact angle information is less than 0 ° (HC ⁇ 0 °), for example, it is determined that the foot F f is attached to the toes. To do. For toe grounding, the ground where the toes first touch the ground at the start of the stance phase (how to put the foot), the ground where the forefoot, middle foot, etc. other than the buttocks first touch the ground Is also included.
  • classification determination section 311ac is foot F f in stance phase is initially according to the direction of the toe F t in the time of arrival on the ground (the direction of the vertical direction of the toes F t relative to the ground) legs F f It is configured to determine how to arrive.
  • the setting unit 311b sets the time point corresponding to the start time point of the designated section as the start time point of the evaluation section when the classification determination unit 311ac determines how to reach the subject's foot F f as heel contact or flat contact, Furthermore, the time point of 55% to 65% of the entire specified section (from the start time to the end time of the entire specified section) is set as the end time of the evaluation section. Note that the end point of the evaluation section in this embodiment is set to a point in time when 65% of time has elapsed from the point corresponding to the start point of the designated section.
  • the classification determination unit 311ac determines that the subject's foot F f is toe-grounded when the classification determination unit 311ac determines that the time of 3% to 10% has elapsed from the start time of the designated section.
  • the evaluation section is set as the start time point, and further, the time point when 55% to 65% of the entire specified section has elapsed is set as the end position of the evaluation section. In the present embodiment, when it is determined that the toe is in contact with the ground, a range of 8% to 65% of the entire designated section is set as the evaluation section.
  • Behavior information deriving unit 311c as the behavior information, and the tilt angle information indicating the relative angle information indicating the degree falling into and out of the heel F h for lower leg F u, the degree falling into and out of the heel F h relative to the ground, the heel Torsion angle information representing the twist degree of the lower leg F u with respect to F h is derived.
  • the relative angle information is denoted by a symbol “ ⁇ ”
  • the tilt angle information is denoted by a symbol “ ⁇ g ”
  • the twist angle information is denoted by a symbol “ ⁇ ”.
  • the relative angle information ⁇ is information that represents the angle of inward / outward inclination of the heel F h with respect to the lower leg F u in the evaluation section, and for example, indicates the direction of the heel F h on the front face value as shown in FIG. variation in the evaluation in a section of an angle ⁇ t of the virtual line VL f1 indicating the direction of the virtual line VL h1 and lower leg F u corresponds to this.
  • the tilt angle information ⁇ g is information representing the angle ⁇ gt of the heel F h to the inside and outside of the ground in the evaluation section.
  • the virtual line VL h1 indicating the direction of the heel F h on the front face and the ground This corresponds to the amount of change in the evaluation interval of the angle ⁇ gt formed by.
  • the twist angle information ⁇ is information indicating the degree of twist of the lower leg F u with respect to the heel F h , for example, as shown in FIG. 15, a virtual line VL indicating the direction of the foot F f on the horizontal plane of the heel F h. h2 and the amount of change in the angle gamma t and the virtual line VL f2 indicating the direction of the lower leg F u corresponds to this.
  • the angles ⁇ t, ⁇ gt, and ⁇ t are not limited to the illustrated angles, and the angles of the portions that are equivalent to the angles may be observed.
  • the analysis unit 32 includes an analysis processing unit 320 for deriving analysis information P that quantitatively represents information obtained by analyzing the pronation based on behavior information, and the analysis processing unit 320. And an analysis result determination unit 321 that determines the analysis result of the pronation based on the derived analysis information P.
  • the analysis processing unit 320 derives analysis information P based on the relative angle information ⁇ , the tilt angle information ⁇ g , and the twist angle information ⁇ .
  • a tilt analyzing unit 320a to derive a tilt information P 1 based on the relative angle information beta and tilt angle information beta g of the evaluation interval, the relative angle information beta and tilt angle information based on the beta g and twisting angle information gamma, and a twisting analyzer 320b for deriving the twisting information P 2 in the evaluation interval.
  • Tilt analysis section 320a (in the present embodiment, vector components) relative angle information beta and tilt angle information beta g and the component is configured to derive the tilt information P 1 on an orthogonal coordinate system with.
  • Twisting analyzer 320b (in the present embodiment, vector components) relative angle information beta and tilt angle information beta g and twisting angle information ⁇ and the component deriving information P 2 twisting on an orthogonal coordinate system with It is configured as follows.
  • the tilt information P 1 is calculated by the equation (3).
  • a, b, and c are values for weighting relative angle information ⁇ , tilt angle information ⁇ g , and twist angle information ⁇ , respectively.
  • the value of b is set larger than the values of a and c.
  • the relative angle information ⁇ is most weighted.
  • a comparison reference value S 1 is set as a determination reference for the size of the pronation (the size of the behavior of the lower leg L), and the comparison reference value S 1 and the tilt information P 1 are set. by comparing the door, and is configured to determine the magnitude of pronation represented tilt information P 1.
  • Comparison reference values S 1, for example, the tilt information P 1 in advance a plurality of subjects by using the evaluation system 1 of the present embodiment in advance by obtaining a population information can be obtained therefrom.
  • the predetermined ratio is determined based on, for example, an evaluation result of a professional pronation with respect to the population information.
  • the analysis information P is configured.
  • the evaluation unit 33 evaluates the analysis result of the pronation based on the analysis information P, and the evaluation that outputs the evaluation of the analysis result of the pronation by the behavior evaluation unit 330 And an output unit 331.
  • an evaluation reference value for classifying the pronation for each type is set.
  • the behavior evaluation unit 330 according to the present embodiment is configured to be able to classify pronations into three types, and a small behavior reference value S 2a and a large behavior reference value S 2b are set as evaluation reference values. ing.
  • the behavior evaluation unit 330 when the value of the analysis information P is equal to or less than the small behavior reference value S 2a is classified as pronation of the subject is under pronation and (Evaluation), the value of the analysis information P is When it is larger than the small behavior reference value S 2a and less than or equal to the large behavior reference value S 2b , the pronation of the subject is classified as neutral, and the value of the analysis information P is larger than the large behavior reference value S 2b In the case, the pronation of the target person is classified as overpronation.
  • the comparison reference values S 1 small behavior reference value S 2a and atmospheric behavior reference value S 2b leave the analysis information P in advance a plurality of subjects by using the evaluation system 1 of the present embodiment obtained as population information
  • the analysis information P of a plurality of subjects is classified into “under-pronation”, “neutral”, and “over-pronation” based on expert evaluation, and the classified analysis information P Can be set based on the average value and the standard deviation.
  • the average of the analysis information P of the population classified as “under pronation” by the expert + the value of the standard deviation And the value of “neutral” (average of analysis information P ⁇ standard deviation) can be set as the small behavior reference value S 2a .
  • the large behavior reference value S2b which is the boundary value between “neutral” and “overpronation”
  • the average and standard deviation of the analysis information P of the population classified as “neutral” by the expert are added
  • an intermediate value of the mean-standard deviation of the analysis information P of the population classified as “overpronation” by the expert can be set as the large behavior reference value S2b .
  • overpronation is a pronation in which the amount of change in relative angle information ⁇ , tilt angle information ⁇ g, and twist angle information ⁇ tends to be large, and the amount of change tends to be small. Some pronations are under-pronation, and the pronations with medium change are neutral.
  • the evaluation output unit 331 is configured so that the classification result (evaluation result) can be visually confirmed and output to the screen of the display device 4.
  • the evaluation result displays a type display unit 332 that displays the type of pronation and a type instruction unit 333 that indicates the type to which the subject's pronation corresponds.
  • the type display section 332 includes type areas 332a, 332b, and 332c that indicate a plurality of different types of pronations.
  • the pronation of the subject is classified into three types, underpronation, neutral, and overpronation. Therefore, the type display portion 332 includes a type area 332a indicating underpronation and a neutral state.
  • a type area 332b indicating the existence and a type area 332c indicating overpronation are included.
  • the three type areas 332a, 332b, and 332c are color-coded, and the colors assigned to the type areas 332a, 332b, and 332c gradually change as they become adjacent to the other type areas 332a, 332b, and 332c. is doing.
  • the type instruction unit 333 includes a right foot instruction unit 333a indicating the type of pronation of the right lower leg L and a left foot instruction unit 333b indicating the type of pronation of the lower left leg L. Yes.
  • the right foot instruction unit 333a and the left foot instruction unit 333b are configured to be displayed at positions according to the pronation tendency represented by the analysis information P.
  • the evaluation system 1 has the above configuration. Subsequently, the analysis and evaluation method of the behavior of the lower leg L by the evaluation system 1 will be described.
  • the evaluation method of the behavior of the lower leg L by the evaluation system 1 is based on the preparation process (S1) for acquiring the subject information and the analysis based on the subject information obtained in the preparation process.
  • An evaluation step (S4) for evaluating the result and a confirmation step (S5) for checking the evaluation result of the pronation in the evaluation step are provided.
  • a post-step (S6) for explaining the evaluation result of the pronation and removing the measuring instrument 21 (upper marker 210, lower marker 210) is performed.
  • the method for evaluating the behavior of the lower leg L is an analysis by the analysis method of the behavior of the lower leg L including the preparation step (S1), the pretreatment step (S2), and the analysis step (S3). It is comprised so that a result may be evaluated at an evaluation process (S4).
  • the preparation step (S1) information on the subject (height, weight, etc.) is input to the processing device 3 (S10). And the measuring instrument 21 is attached to a subject (S11).
  • a still image of the subject taking a still standing posture is taken from the back (S12).
  • the subject rides on the mat 220, places the foot F f in accordance with the foot placement region 220a, and further sets the direction of the foot F f (the direction in which the heel F h and the toe F t are arranged) as a reference line. Align with the longitudinal direction of 220b.
  • a moving image of the subject running on the treadmill 221 is photographed from the back so that the upper marker 210 and the lower marker 210 can be seen (S13). Then, a still image and a moving image associated with the quantification information are output to the processing device 3 as the observation information.
  • the specified section is determined for the moving image by the section specifying unit 310 (S20).
  • the time when the foot F f first reaches the ground in the stance phase is set as the start time of the designated section, and the time when the foot F f is completely separated from the ground in the same stance period is set as the specified section. The end point of.
  • the analysis interval setting unit 311 sets the evaluation interval for the specified interval, and the behavior information deriving unit 311c derives behavior information based on the information in the evaluation interval (S21).
  • the ground contact type determination unit 311a determines how the foot F f is to be worn when the subject is running.
  • the angle information correcting unit 311ab uses the ground contact angle information and the information derived based on the start time information of the evaluation section as the ground contact angle information. Re-set as information (S210).
  • the classification determination unit 311ac determines that the subject's foot F f is to be worn by heel contact or flat contact
  • the setting unit 311b sets the time point corresponding to the start time of the specified section as the start time of the evaluation section. Further, a point in time when the predetermined time of the entire designated section, for example, 65% has elapsed, is set as the end point of the evaluation section (S212).
  • the setting unit 311b determines the point in time when a predetermined time has elapsed from the start point of the specified interval. Is set as the start time of the evaluation section, and further, a time when a predetermined time, for example, 65% of the entire specified section has elapsed, is set as the end time of the evaluation section (S213).
  • the behavior information deriving unit 311c derives the relative angle information ⁇ , the tilt angle information ⁇ g, and the twist angle information ⁇ that are the behavior information based on the information in the evaluation section (S214).
  • analysis step (S3) as shown in FIG. 12, the tilt analyzing unit 320a, based on the relative angle information beta tilt angle information beta g to derive the tilt information P 1 as analysis information P (S30).
  • the analysis result determination unit 32 by comparing the comparison reference values S 1 and tilt information P 1, to determine the magnitude of pronation (S31).
  • the analysis result determination unit 321 determines that the value of the tilt information P 1 is larger than the comparison reference value S 1, the tilting information P 1 is the analysis information P (S32).
  • twist information P 2 is an analysis information P (S34).
  • step (S4) as shown in FIG. 13, the behavior evaluation unit 330 and compares the analysis information P and the small behavior reference value S 2a and atmospheric behavior reference value S 2b (S40).
  • the value of the analysis information P is equal to or less than the small behavior criterion S 2a is classified as pronation of the subject is under pronation (Evaluation) and (S41), the value of the analysis information P is small behavior criterion S greater than 2a, when it is lower than the atmospheric behavior reference value S 2b is pronation subjects are classified as neutral (S42), if the analysis information P is greater than atmospheric behavior reference value S2b is subject Is classified as overpronation (S43). Then, the type of the pronation is determined (S44), and the evaluation of the analysis result of the pronation is displayed on the display device 4.
  • the evaluation of the analysis result of the pronation displayed on the display device 4 is confirmed.
  • the type display unit 332 is displayed on the display device 4 as an evaluation of the analysis result of the pronation, the type regions 332a, 332b, and 332c pointed to by the right foot instruction unit 333a and the left foot instruction unit 333b, respectively. By confirming, the type of pronation can be confirmed.
  • the behavior of the lower leg L can be analyzed based on the tilt angle information ⁇ g indicating the degree of inward and outward tilt of the heel F h with respect to the ground. Therefore, since the evaluation system 1 and the pronation evaluation method using the evaluation system 1 perform the evaluation based on a more detailed analysis result of the plurality of behaviors constituting the pronation, the evaluation accuracy of the behavior of the lower leg L is increased. be able to.
  • the evaluation system 1 according to the present embodiment and the pronation evaluation method using the evaluation system 1 are based on an experiment example to be described later, and professionals related to the pronation (for example, human motion analysis such as biomechanics and physical therapy) Those who have knowledge of anatomical structures, those who have experience in teaching running forms (running movements), and engineers who are engaged in the design and functional evaluation of running shoes, etc.
  • professionals related to the pronation for example, human motion analysis such as biomechanics and physical therapy
  • the amount of fall of the heel F h with respect to the lower leg F u of the subject and the amount of fall of the heel F h with respect to the ground are given priority. Is based on the evaluation.
  • the evaluation method of pronation by evaluation system 1 and the evaluation system 1 is high correlation with preferentially the focused and pronation Analysis and evaluation of the pronation based on the inclination of the foot (angle represented by the relative angle information ⁇ ) and the inclination of the foot F f inside and outside the heel F h (the angle represented by the inclination angle information ⁇ g )
  • an analysis result and an evaluation result that is, an accurate analysis result and an evaluation result
  • the processing unit 30 includes a relative angle information beta and tilt angle information tilt information P 1 and beta g which is information derived based on, and the relative angle information beta tilt angle information beta g and twisting angle information ⁇ may be configured to perform analysis of the behavior of the lower leg L with a twisting information P 2 is derived information based on.
  • the tilt information P 1 is determined to be smaller than the comparison reference value S 1, the relative angle information beta and tilt angle information beta g based on the twisting angle information ⁇ and, in order to analyze the information P to derive twisting information P 2, as described above, while the slope of the inner Ashikabu L is small, the lower leg F u inner Can be classified as overpronation, which allows analysis and evaluation of pronation in the same procedure as an expert, thus improving the accuracy of evaluation results .
  • the behavior of the lower leg L is analyzed on an orthogonal coordinate system using the relative angle information ⁇ and the tilt angle information ⁇ g as vector components, so the relative angle information ⁇ and the tilt angle information and beta g is in line with the actual behavior of the lower leg L used for analysis in the state shown quantitatively, thereby, increases the accuracy of the analysis of the behavior of Ashikabu L.
  • the type of the pronation for each of the left and right lower leg L of the subject is indicated by the type instruction unit 333, so that the pronation of the subject can be known in detail.
  • the evaluation system 1 is configured to perform the analysis of the pronation and the evaluation of the analysis result of the pronation in one system.
  • the evaluation system may be divided into an evaluation system that evaluates the pronation based on the analysis result of the pronation by the analysis system.
  • the imaging device 20 and the measuring instrument 21 can acquire information indicating the posture (orientation) of the lower leg L of the subject in the stationary standing state, the running state, or the walking state.
  • an optical three-dimensional motion analysis apparatus may be used, or a sensing device such as an acceleration sensor or a gyro sensor may be used.
  • posture information obtained by the sensing device may be transmitted to the processing device 3 by wireless communication or the like.
  • the processing device 3 and the display device 4 are integrated, but the present invention is not limited to this configuration.
  • the processing device 3 and the display device 4 may have different configurations.
  • a configuration in which the photographing device 20, the processing device 3, and the display device 4 are integrated such as a PC with a camera.
  • the relative angle information ⁇ , the tilt angle information ⁇ g , and the twist angle information ⁇ are used as vector components, but the present invention is not limited to this configuration.
  • the relative angle information ⁇ , the tilt angle information ⁇ g , and the twist angle information ⁇ may be components each having only a numerical value.
  • the tilt information P 1 and the twist information P 2 may be components each having only a numerical value.
  • the tilting information P 1 is the relative angle information beta, had been calculated by the vector calculating the tilt angle information beta g, for example, to store a plurality of information that are candidates for tilt information P 1 and tables prepares the database, and the relative angle information beta, may be based on the tilt angle information ⁇ g be configured to select the tilt information P 1 stored in the table or database .
  • the twist information P 2 is calculated by performing a vector operation on the relative angle information ⁇ , the tilt angle information ⁇ g, and the twist angle information ⁇ .
  • the twist information P 2 A table or database storing a plurality of pieces of candidate information is prepared and stored in the table or database based on the relative angle information ⁇ , the tilt angle information ⁇ g, and the twist angle information ⁇ . the twisting information P 2 to which may be configured to select.
  • the analysis unit 32 (analysis processing unit 320) derives the analysis information P based on the relative angle information ⁇ , the tilt angle information ⁇ g , and the twist angle information ⁇ , but this configuration is limited.
  • Sarezu for example, the relative angle information beta, may be configured to derive analytical information P based on the tilt angle information beta g.
  • the analysis processing unit 320 in the above embodiment was configured to the tilt information P 1 or twisting information P 2 and analysis information P in accordance with the magnitude of the tilt information P 1, it is not limited to this configuration.
  • the analysis processing unit 320 uses the information obtained by calculating the tilt information P 1 and the twist information P 2 as the analysis information P, derives the analysis information P based on the tilt information P 1 , times information P 2 may be or to derive the analysis information P based on.
  • the evaluation unit 33 outputs the type of the pronation as an evaluation of the analysis result of the pronation, but is not limited to this configuration.
  • the evaluation unit 33 may output shoes suitable for the analysis result of pronation, taping, and the like as the evaluation of the analysis result.
  • the behavior evaluation unit 330 is configured to be able to classify pronations into three types, but is not limited to this configuration.
  • the behavior evaluation unit 330 may be able to classify the pronation into two types, or may be classified into four or more types. In this case, depending on the number of types of classification may be changed comparative reference value S 1 and the behavior reference value S 2.
  • each reference value S 1 , S 2a , S 2b may be changed according to the type of shoe.
  • the treadmill 221 is used as the auxiliary instrument 22, but the treadmill 221 is not necessarily used, and the subject actually runs or walks without using the treadmill 221 and observes it. You may make it observe with the apparatus 2.
  • Experiment Example 1 when an expert analyzes and evaluates a pronation, an experiment is performed to confirm a site to which attention is given preferentially, and an experiment to confirm at which timing in the stance phase the evaluation is performed. It was.
  • Experimental Example 1 10 general adult men and women were subjects.
  • the test subject was allowed to perform treadmill running with bare feet running at a constant speed (8 km / h), and the lower limbs of the test subject were photographed with a video camera (photographing device) from the back (back of the treadmill).
  • a video camera photographing device
  • a video was prepared by cutting out a section corresponding to one stance phase from each video shot of each subject, and the video was presented to 15 experts.
  • the items answered as the reason for the evaluation are the parts used as judgment criteria (most important in the evaluation of pronation) and the contents of the movement of the parts.
  • the expert is allowed to select a region based on the judgment criteria from the heel F h , the medial midfoot, the lower leg F u , and others, and the selected region is subjected to the maximum angle, angle change, change speed, and lateral direction. Based on the amount of movement, twist, orientation, etc., the feature of the movement of the part as a criterion was selected.
  • the expert first evaluates the pronation based on the behavior of ⁇ F h (that is, information corresponding to the relative angle information ⁇ and the tilt angle information ⁇ g ). Furthermore, if the behavior of the heel F h is small, internal rotation of the lower leg (i.e., information corresponding to the twist angle information gamma) were also found to evaluated pronation including.
  • the evaluation system 1 and the evaluation system 1 firstly, it derives the tilt information P 1 based on the relative angle information beta and tilt angle information beta g, tilting information
  • the twist information P 2 is derived based on the relative angle information ⁇ , the tilt angle information ⁇ g, and the twist angle information ⁇ when the value of P 1 is small
  • the relative angle if the behavior of ⁇ F h is large, the relative angle
  • the pronation is evaluated by the information ⁇ and the tilt angle information ⁇ g.
  • the pronation including the twist angle information ⁇ is added to the relative angle information ⁇ and the tilt angle information ⁇ g. Therefore, the pronation can be evaluated by a process that matches the pronation evaluation process by an expert.
  • Experimental Example 2 30 adult males and females were subjects.
  • the test subject was subjected to treadmill running under the same conditions as in Experimental Example 1, and the analysis in the evaluation method of the above embodiment was performed based on the relative angle information ⁇ , tilt angle information ⁇ g , and twist angle information ⁇ in the stance phase. Pronation was evaluated along the steps (S3) and (S4).
  • the tilt information P 1 and the twisting as in the evaluation method based on the part, section, and criteria that the expert emphasizes in the pronation evaluation that is, the evaluation system 1 according to the above embodiment and the evaluation method by the evaluation system 1 information P 2 and by so stepwise derive, appropriately quantify the behavior of pronation, it can be reproduced by accurately and automatically evaluated by specialists.
  • classification determination unit 311b ... setting unit, 311c ... behavior information derivation unit, 320 ... Analysis processing unit, 320a ... Tilt analysis unit, 320b ... Torsion analysis unit, 321 ... Analysis result judgment unit, 330 ... Behavior evaluation unit, 331 ... Evaluation output unit, 332 ... Type display unit, 33 a, 332b, 332c ... type region, 333 ... type instruction unit, 333a ... right instruction field, 333b ... instructing unit for the left foot, Ah ... running direction, Av ... vertically, BL ... reference line, F f ... right foot, F f ... left foot, F f ... foot, F f ... both feet, F h ...

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Dentistry (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Physiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

La présente invention concerne : un système et un procédé d'analyse de comportement de jambe inférieure pour analyser le comportement de la jambe, comprenant la jambe inférieure et le pied, pendant la phase d'appui sur base d'informations d'angle relatif indiquant l'inclinaison vers l'intérieur/vers l'extérieur du talon par rapport à la jambe pendant la phase d'appui et d'informations d'angle d'inclinaison indiquant l'inclinaison vers l'intérieur/vers l'extérieur du talon par rapport au sol ; un système d'évaluation de comportement de jambe inférieure utilisant ledit système d'analyse ; et un procédé d'évaluation de comportement de jambe inférieure utilisant ledit procédé d'analyse.
PCT/JP2016/073945 2016-08-16 2016-08-16 Système et procédé d'analyse de comportement de jambe inférieure et système et procédé d'évaluation de comportement de jambe inférieure Ceased WO2018033965A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2016/073945 WO2018033965A1 (fr) 2016-08-16 2016-08-16 Système et procédé d'analyse de comportement de jambe inférieure et système et procédé d'évaluation de comportement de jambe inférieure
JP2018534226A JP6582136B2 (ja) 2016-08-16 2016-08-16 脚下部の挙動の分析システム及び分析方法、脚下部の挙動の評価システム並びに評価方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/073945 WO2018033965A1 (fr) 2016-08-16 2016-08-16 Système et procédé d'analyse de comportement de jambe inférieure et système et procédé d'évaluation de comportement de jambe inférieure

Publications (1)

Publication Number Publication Date
WO2018033965A1 true WO2018033965A1 (fr) 2018-02-22

Family

ID=61197281

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/073945 Ceased WO2018033965A1 (fr) 2016-08-16 2016-08-16 Système et procédé d'analyse de comportement de jambe inférieure et système et procédé d'évaluation de comportement de jambe inférieure

Country Status (2)

Country Link
JP (1) JP6582136B2 (fr)
WO (1) WO2018033965A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018139902A (ja) * 2017-02-28 2018-09-13 株式会社ニコン 検出システム、検出方法、検出プログラム、処理装置、及び運動用マット
JP2023174502A (ja) * 2022-05-26 2023-12-07 ウズテック カンパニー，リミテッド 人工知能アルゴリズムを用いたカスタムインソールの注文方法
JPWO2024069987A1 (fr) * 2022-09-30 2024-04-04
US12150756B2 (en) 2019-10-30 2024-11-26 Nec Corporation Foot angle calculation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040167420A1 (en) * 2003-02-22 2004-08-26 Song Chul Gyu Apparatus and method for analyzing motions using bio-impedance
JP2004305374A (ja) * 2003-04-04 2004-11-04 Asics Corp 足の傾角測定方法、靴または靴用中敷選択方法、靴または靴用中敷製造方法、および、足の傾角測定装置
US6836744B1 (en) * 2000-08-18 2004-12-28 Fareid A. Asphahani Portable system for analyzing human gait
JP4856427B2 (ja) * 2006-01-13 2012-01-18 株式会社ジャパーナ 運動靴又はランニングシューズ選定システム及び提示システム
JP2012213422A (ja) * 2011-03-31 2012-11-08 Asics Corp 足の動的特性の評価システム及び評価方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6836744B1 (en) * 2000-08-18 2004-12-28 Fareid A. Asphahani Portable system for analyzing human gait
US20040167420A1 (en) * 2003-02-22 2004-08-26 Song Chul Gyu Apparatus and method for analyzing motions using bio-impedance
JP2004305374A (ja) * 2003-04-04 2004-11-04 Asics Corp 足の傾角測定方法、靴または靴用中敷選択方法、靴または靴用中敷製造方法、および、足の傾角測定装置
JP4856427B2 (ja) * 2006-01-13 2012-01-18 株式会社ジャパーナ 運動靴又はランニングシューズ選定システム及び提示システム
JP2012213422A (ja) * 2011-03-31 2012-11-08 Asics Corp 足の動的特性の評価システム及び評価方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Dartfish gait analysis protocol", DARTFISH.BLOG, 26 March 2016 (2016-03-26), XP055466670, Retrieved from the Internet <URL:https://web.archive.org/web/20160326133852/http://blog.dartfish.com/en/gaitanalysisprotocol> *
SEIGO NAKAYA: "Running Shoes Sekkei eno Vicon Katsuyo Jirei", HOMEPAGE, August 2008 (2008-08-01), XP055466671, Retrieved from the Internet <URL:http://www.irc-web.co.jp/vicon_web/news_bn/vol9.pdf> [retrieved on 20161024] *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018139902A (ja) * 2017-02-28 2018-09-13 株式会社ニコン 検出システム、検出方法、検出プログラム、処理装置、及び運動用マット
US12150756B2 (en) 2019-10-30 2024-11-26 Nec Corporation Foot angle calculation
JP2023174502A (ja) * 2022-05-26 2023-12-07 ウズテック カンパニー，リミテッド 人工知能アルゴリズムを用いたカスタムインソールの注文方法
JPWO2024069987A1 (fr) * 2022-09-30 2024-04-04
WO2024069987A1 (fr) * 2022-09-30 2024-04-04 株式会社アシックス Dispositif d'analyse de style de course, procédé d'analyse de style de course et programme d'analyse de style de course
JP7567097B2 (ja) 2022-09-30 2024-10-15 株式会社アシックス 走法分析装置、走法分析方法および走法分析プログラム

Also Published As

Publication number Publication date
JPWO2018033965A1 (ja) 2019-06-13
JP6582136B2 (ja) 2019-09-25

Similar Documents

Publication Publication Date Title
US11182599B2 (en) Motion state evaluation system, motion state evaluation device, motion state evaluation server, motion state evaluation method, and motion state evaluation program
JP6582136B2 (ja) 脚下部の挙動の分析システム及び分析方法、脚下部の挙動の評価システム並びに評価方法
Mentiplay et al. Reliability and validity of the Microsoft Kinect for evaluating static foot posture
Hanley et al. Differences between motion capture and video analysis systems in calculating knee angles in elite-standard race walking
Eltoukhy et al. Validation of the Microsoft Kinect® camera system for measurement of lower extremity jump landing and squatting kinematics
US10709374B2 (en) Systems and methods for assessment of a musculoskeletal profile of a target individual
WO2016114963A1 (fr) Systèmes et procédés d&#39;analyse de mouvement du bas du corps pour recommander des chaussures
JP2017086184A (ja) 筋活動可視化システムと筋活動可視化方法
CN108289637B (zh) 生成矫正产品推荐
JP2017202236A (ja) 歩行分析方法及び歩行分析装置
Hughes et al. The value of tibial mounted inertial measurement units to quantify running kinetics in elite football (soccer) players. A reliability and agreement study using a research orientated and a clinically orientated system
CN112568898A (zh) 一种基于视觉图像对人体运动动作自动进行伤病风险评估及动作矫正的方法、装置及设备
JP2018121930A (ja) 歩容の評価方法
JP2017047105A (ja) エクササイズメニュー提供システムおよびエクササイズメニュー提供方法
JP6738249B2 (ja) 歩行分析方法及び歩行分析装置
JP6738250B2 (ja) 歩行分析方法及び歩行分析装置
JP2021065393A (ja) 生体計測システム及び方法
JP2017148287A (ja) つまずきリスクの評価方法
JP7198393B1 (ja) 乳幼児の発達段階算出システム
KR20230063016A (ko) 이행성 자세평가 방법을 이용한 근골격계 자동 진단 시스템
Ryu Effects of XR Technology on Motor Learning in Fencing
KR102586956B1 (ko) Bbs평가의 평가자-대상자 간 인터랙션 정량화 방법
Giblin et al. Bone length calibration can significantly improve the measurement accuracy of knee flexion angle when using a marker-less system to capture the motion of countermovement jump
Bailon et al. First approach to automatic measurement of frontal plane projection angle during single leg landing based on depth video
WO2018110624A1 (fr) Système d&#39;analyse et procédé d&#39;analyse de chutes

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16913494

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2018534226

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16913494

Country of ref document: EP

Kind code of ref document: A1

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载