Annals of Rehabilitation Medicine

Korean Academy of Rehabilitation Medicine (대한재활의학회)
권호 표지

Kinetic and Kinematic Comparison of Sit-To-Stand Movement between Healthy Young and Elderly Subjects

노인과 청장년에서 앉은 자세에서 일어나기 동작의 생체역학적 분석

Kim, Du-Hwan;Park, Sung-Min;Jeon, Do-Young;Sung, Duk-Hyun
김두환;박성민;전도영;성덕현

  • Published : 20060000
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Abstract

Objective: The purpose of this study was to compare the kinematic and kinetic parameters in sit-to-stand (STS) movement between healthy elderly and young people. Method: We measured the maximal isometric hip and knee extension moment of the ten healthy young volunteers and ten elderly and analyzed the STS movement using a motion analyzer. The differences of temporal, kinematic, and kinetic variables between young and elderly were assessed. Results: The maximal knee isometric moment of elderly was lower than that of young. There were no differences in total duration and the range of motion of hip and knee during STS movement between young and elderly. Comparing the kinetic variables normalized by maximal isometric extension moment, maximal knee extension moment and knee work were significantly higher in elderly. There were no differences in maximal knee power and kinetic variables of hip between young and elderly. Conclusion: It was the marked difference of STS movement between young and elderly that maximal knee extension moment normalized by maximal isometric extension moment was higher in elderly. It was reasonable that this difference was due to the difference of maximal knee isometric torque. (J Korean Acad Rehab Med 2006; 30: 385-391)

Keywords

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