Physical strain and mechanical efficiency in hubcrank and handrim wheelchair propulsion

被引：0

作者：

Van Der Woude, L.H.V. ^{[1
]}

Van Kranen, E. ^{[1
]}

Ariens, G. ^{[1
]}

Rozendal, R.H. ^{[1
]}

Veeger, H.E.J. ^{[1
]}

机构：

[1] Faculty of Human Movement Sciences, Institute for Fundamental Sciences, Vrije Universiteit, Van der Boechorststraat 9, 1081 BT Amsterdam, Netherlands

来源：

Journal of Medical Engineering and Technology | 1995年 / 19卷 / 04期

关键词：

Cardiovascular system - Exercise equipment - Muscle - Musculoskeletal system - Propulsion - Respiratory mechanics - Strain - Subjective testing;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The physical strain and mechanical efficiency of manual wheelchair propulsion using handrim and hubcrank propelled racing wheelchairs were studied during a submaximal wheelchair exercise test on a stationary roller ergometer. Ten healthly male able-bodied subjects conducted two exercise tests in a random order and measurements of physical strain (oxygen uptake, minute ventilation, respiratory exchange ratio, heart rate) and gross mechanical efficiency were obtained. During the experiment torque data, speed and power output were determined at a sample frequency of 0.1 Hz. Results of the analysis of variance for repeated measures show that the hubcrank propulsion mechanism has a significantly lower physical strain and higher gross mechanical efficiency in comparison with the handrim propulsion mechanism.

引用

页码：123 / 131

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