Journal of Biomedical Engineering Research (대한의용생체공학회:의공학회지)

The Korean Society of Medical and Biological Engineering (대한의용생체공학회)
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Biomechanical Analysis of Human Foot Joints by Using Computer Graphic-Based Model

컴퓨터 그래픽 모델을 이용한 족부 관절의 생체역학적 해석

  • Seo Min Jwa (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Kim Si Yeol (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Cho Won Hak (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Choi Hyeon-Chang (Department of Robot System Engineering, Tongmyong University of Information Technology) ;
  • Choi Hyeonki (School of Mechanical Engineering, Sungkyunkwan University)
  • 서민좌 (성균관대학교 기계공학부) ;
  • 김시열 (성균관대학교 기계공학부) ;
  • 조원학 (성균관대학교 기계공학부) ;
  • 최현창 (동명정보대학교 로봇시스템공학과) ;
  • 최현기 (성균관대학교 기계공학부)
  • Published : 2003.12.01
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Abstract

The purpose of this investigation was to study the kinematics of joints between the foot segments based on computer graphic model during the stance? phase of walking. In the model, all joints were assumed to act as monocentric. single degree of freedom hinge joints. The motion of foot was captured by a video collection system using four cameras. The model fitted in an individual subject was simulated with this motion data. The range of motion of the first tarsometatarsal joint was $-8^{\circ}\;\~\;-13^{\circ}$, and the first metatarsophanlangeal joint was $-13^{\circ}\;\~\;-48^{\circ}$. The kinematic data of tarsometatarsal joint and metatarsophanlangeal joint were similar to the previous data. Therefore, our method based on the graphical computer model is considered useful.

본 연구의 목적은 컴퓨터 그래픽 모델을 사용하여 보행 시 족부 관절의 기구학적 특성을 알아보는 것이었다. 모델에서 모든 관전은 단일중심(monocentric), 1 자유도 힌지 관절로 구성되었다. 보행 시 족부의 모션데이터는 4대의 카메라를 사용한 모션측정기로 얻었으며, 이 모션데이터를 피험자의 밭의 크기에 맞게 스케일링된 모델에 입력하여 시뮬레이션을 수행하였다. 첫 번째 발목발허리관절(tarsometatarsal joint)의 운동 범위(range of motion)는 $-8^{\circ}\;\~\;-13^{\circ}$ 이었으며, 발허리발가락관절(metatarsophanlangeal joint)에서의 운동범위는 $-13^{\circ}\;\~\;-48^{\circ}$ 이었다. 발목발허리관절과 발허리발가락관절에서의 기구학적인 데이터는 이전 연구와 비교했을 때 비슷한 경향을 나타내었다. 따라서 본 연구에서 제시하는 컴퓨터 그래픽을 기반으로 한 족부 모델링은 족부 관절의 생체역학적 해석을 위한 유용한 방법이라 할 수 있을 것이다.

Keywords

References

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