Effect of Muscle Damage Induced by Eccentric Exercise on Motor Function : A Brief Review

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  • 伸張性運動による筋損傷が運動機能に与える影響
  • シンチョウセイ ウンドウ ニ ヨル キン ソンショウ ガ ウンドウ キノウ ニ アタエル エイキョウ

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Abstract

Eccentric exercise, which involves lengthening contractions, damages skeletal muscle tissue and results in delayed onset muscle soreness （DOMS） within a few hours. The muscle damage induced by eccentric exercise （EIMD）triggers not only DOMS and swelling but also decreases maximal voluntary contraction （MVC） force and range of motion. Various motor functions and neuromuscular mechanisms in humans are affected by EIMD. The following recent findings showed a relationship between EIMD and a decrease in motor function and are discussed in this study to clarify the effect of EIMD on motor function: （a） MVC and sustained MVC, （b） submaximal voluntary contractions and force matching errors, （c） motor learning, and （d） bilateral contractions. Further studies are needed to clarify the mechanisms of decreased motor function due to EIMD to prevent accidental injury in sport activity and rehabilitation.

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