以神經肌肉觀點探討肌肉疲勞的機制

Central and Peripheral Mechanisms in Muscle Fatigue

10.6223/qcpe.2604.201212.1503

黃奕銘(Yi-Ming Huang)

神經傳導 ； 大腦皮質 ； 肌肉收縮 ； nerve conduction ； motor cortex ； muscle contraction

中華體育季刊

26卷4期（2012 / 12 / 01）

427 - 430

繁體中文

肌肉疲勞是運動當中面臨且需要被克服的議題。肌肉疲勞對於運動表現的影響甚鉅，其中的機制包含肌肉收縮速度變慢、共同驅動理論與感覺回饋功能降低。肌肉疲勞可分成中樞與周邊疲勞。動作指令由大腦皮質下傳至脊髓路徑中傳遞失敗稱為中樞疲勞，從脊髓傳出至肌肉收縮過程傳遞失敗稱為周邊疲勞。了解肌肉疲勞的機制將有助於找出克服的方法，以解決運動中肌肉疲勞的問題。

Muscle fatigue is a common issue need to be clarified during exercise. It has a significant influence on exercise performances. The underlying mechanisms responsible for the influence may include muscular contractile speed reduction, common drive theory and reduction of sensory feedback function. Furthermore, muscle fatigue can be attributed to both central and peripheral factors as well. The transmission failure which occurs along the pathway from motor cortex through to spinal cord has been called central fatigue. Peripheral fatigue primarily occurs on the sites below spinal cord. Clarification of the underlying mechanisms of muscle fatigue helps us to find a solution to the fatigue problem during exercise.

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