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Henneman's size principle : ウィキペディア英語版 | Henneman's size principle Henneman’s size principle states that under load, motor units are recruited from smallest to largest. In practice, this means that slow-twitch, low-force, fatigue-resistant muscle fibers are activated before fast-twitch, high-force, less fatigue-resistant muscle fibers. ==Benefits of the Size Principle== The size principle states that as more force is needed, motor units are recruited in a precise order according to the magnitude of their force output, with small units being recruited first, thus exhibiting task-appropriate recruitment. This has two very important physiological benefits. It minimizes the amount of fatigue an organism experiences by using fatigue-resistant muscle fibers first and only using fatigable fibers when high forces are needed. It also permits fine control of force at all levels of output.〔Motorneuron mapping. (n.d.). Retrieved from http://www.eng.mu.edu/wintersj/muscmod/nms-func-physiology/nm-map.htm〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Henneman's size principle」の詳細全文を読む
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