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	Effects of shoe heel height on loading and muscle activity for trans-tibial amputees during standing
	Jia Xiaohong ; Wang Rencheng ; Winson Lee
	2010-10-12 ; 2010-10-12
关键词	Experimental/ biomechanics electromyography footwear prosthetics/ shoe heel height loading plantar foot pressure muscle activity trans-tibial amputees standing surface electromyography prosthetic sagittal alignment prosthesis/ A8770J Prosthetics and other practical applications A8745D Physics of body movements A8730C Electrical activity in neurophysiological processes A8770F Electrodiagnostics
中文摘要	This study accesses the effects of shoe heel heights on loading, muscle activity, and plantar foot pressure of trans-tibial amputees during standing. Five male subjects with unilateral trans-tibial amputation volunteered to participate in this study. Three pairs of shoes with zero, 20 mm, and 40 mm heel heights were used. The loading line of the prosthetic side, the plantar foot pressure, and the surface electromyography (EMG) of 10 muscles were simultaneously recorded. With increasing shoe heel heights during standing, the loading line of the prosthetic side shifted from the anterior to the posterior side of the knee center, the peak pressure was increased in the medial forefoot region, and the peak pressure was reduced in the heel region. The EMG of the medial and lateral gastrocnemius of the sound leg almost doubled and that of the rectus fomris, vastus lateralis, and vastus medialis of the prosthetic side increased to different extents with increasing heel heights from zero to 40 mm. These results show a high correlation with human physical behavior. Changing of the heel heights for trans-tibial amputees during standing actually had similar effects to altering the prosthetic sagittal alignment. The results suggest that an alignment change is necessary to accommodate heel height changes and that prosthesis users should be cautious when choosing shoes.
语种	英语
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/79064]
专题	清华大学
推荐引用方式 GB/T 7714	Jia Xiaohong,Wang Rencheng,Winson Lee. Effects of shoe heel height on loading and muscle activity for trans-tibial amputees during standing[J],2010, 2010.
APA	Jia Xiaohong,Wang Rencheng,&Winson Lee.(2010).Effects of shoe heel height on loading and muscle activity for trans-tibial amputees during standing..
MLA	Jia Xiaohong,et al."Effects of shoe heel height on loading and muscle activity for trans-tibial amputees during standing".(2010).

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