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Updated: May 1, 2026

Experimental Protocol of a Three-minute, All-out Arm Crank Exercise Test in Spinal-cord Injured and Able-bodied Individuals
07:32

Experimental Protocol of a Three-minute, All-out Arm Crank Exercise Test in Spinal-cord Injured and Able-bodied Individuals

Published on: June 8, 2017

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单臂封闭动力链上端稳定性测试的测试-测试可靠性

Andy Waldhelm1,2, Mareli Klopper3, Matthew Paul Gonzalez4

  • 1School of Rehabilitation, South College, 400 Goody Lane, Knoxville, TN 37922, USA.

Journal of functional morphology and kinesiology
|February 20, 2026
PubMed
概括

一个新的单臂封闭动力链上肢稳定性测试 (CKCUEST) 显示了健康成年人个体手臂性能的高测试复试可靠性. 然而,从此测试中得出的四肢对称指数 (LSI) 显示出可疑的可靠性.

关键词:
肢体对称的对称性 肢体对称性运动系统 运动系统回到体育运动的回归上肢受伤的上肢受伤.

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Static equilibrium is a special case in mechanics that is very important in everyday life. It occurs when the net force and the net torque on an object or system are both zero. This means that both the linear and angular accelerations are zero. Thus, the object is at rest, or its center of mass is moving at a constant velocity. However, this does not mean that no forces are acting on the object within the system. In fact, there are very few scenarios on Earth in which no forces are acting upon...
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Understanding the stability of equilibrium configurations is a fundamental part of mechanical engineering. In any system, there are three distinct types of equilibrium: stable, neutral, and unstable.
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