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  5. 補充HMB對運動誘發肌肉損傷影響之探討
 
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補充HMB對運動誘發肌肉損傷影響之探討

Effects of HMB Supplement on Exercise-induced Muscle Damage

Resource
運動生理暨體能學報, 第13期, 頁1-12
Date Issued
2017-02-03T16:40:40Z
Date
2011-12-31
URI
https://ir.ntus.edu.tw/handle/987654321/80
Abstract
β-羥基-β-甲基丁酸鹽複合物(beta-hydroxy beta-methylbutyrate, HMB)為一種可由體內白胺酸(leucine)自行代謝生成的產物,亦可從食物中直接攝取,其作用於人體的機轉包含膽固醇合成假說、泛素蛋白酶途徑、哺乳動物雷帕黴素標靶蛋白途徑、核因子-κB途徑、有絲分裂活化蛋白質激酶/細胞外訊息調控蛋白激酶途徑及磷酸醇3激酶/Akt等六種。未受訓練者服用HMB可達到降低肌肉損傷指標及肌肉酸痛程度的效果,但此成效在有訓練經驗之運動員則較不顯著。目前補充HMB之理想劑量為一日3克,多量服用並無更高效益。針對肌肉損傷部份而言,補充HMB之效益可能因為肌肉損傷程度過高或訓練量過低,甚至服用時間太短導致效果不良;另外,以HMB配合肌酸或α-酮異己酸等增補劑,其效果並未加成甚至降低。未來探討HMB對肌肉損傷的影響,可進一步比較肌肉損傷嚴重程度、增補時間長短與服用HMB效益之相關性。
Subjects
增補劑;肌肉損傷;延遲性肌肉酸痛;作用機轉
ergogenic supplement;muscle damage;delayed-onset muscle soreness;mechanism
Publisher
台灣運動生理暨體能學會
Type
article
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Checksum

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