Analysis by Phase Planes of the Sit-to-Stand Movement from a Chair

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概要

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• This paper presents a phase plane analysis of the motion of the CG (center of gravity) of the human body during the sit-to-stand movement. The time history of the joint angles of the ankle, knee and hip were measured by optical position sensors during the motion. The experimental data when combined with human morphology, such as mass and length of each part of the body, allows the tracking of the CG position. Experiments were done on four healthy young men. Analysis shows that the motion of the CG can be clearly recognized as three motion modes:an acceleration mode and two convergent modes to an origin of the phase plane and to an equilibrium state of the standing state. Furthermore, it is suggested that the elderly usually use a spiral trajectory to the equilibrium state in the sit-to-stand movement, which is observed when a system is close to an unstable state.

• 一般社団法人日本機械学会の論文
• 2000-12-15

著者

• Shinkoda Koichi

  Department Of Physical Therapy And Occupational Therapy Sciences Graduate School Of Health Sciences

• Shinkoda Koichi

  Department Of Rehabilitation University Hospital Of Occupational And Environmental Health Japan

• TANAKA Mitsuharu

  Graduate School, Kyushu Institute of Technology

• lKEUCHI Hidetaka

  Graduate School, Kyushu Institute of Technology

• KATOH Ryozo

  Faculty of Engineering, Kyushu Institute of Technology

• YAMASHITA Tadashi

  Faculty of Engineering, Kyushu Institute of Technology

• Yamashita Tadashi

  Faculty Of Engineering Kyushu Institute Of Technology

• Katoh Ryozo

  Faculty Of Engineering Kyushu Institute Of Technology

• Lkeuchi Hidetaka

  Graduate School Kyushu Institute Of Technology

• Tanaka Mitsuharu

  Graduate School Kyushu Institute Of Technology

• Ikeuchi Hidetaka

  Graduate School Kyusyu Institute Of Technology

関連論文

• Effects of Variation in Cushion Thickness on the Sit-to-Stand Motion of Elderly People
• Analysis by Phase Planes of the Sit-to-Stand Movement from a Chair
• A Simple Method to Derive Output of Fuzzy Controller Based on Indirect Reasoning
• The Clarification of the Strategy during Sit-to-Stand Motion from the Standpoint of Mechanical Energy Transfer

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