肌酸與咖啡因增補對運動表現之影響

肌酸增補有利於增加肌肉內磷酸肌酸和游離肌酸量提升，因此肌酸廣泛地被競技運動員作為增強運動表現的增補劑。另一種亦相當受歡迎的增補劑是咖啡因，攝取咖啡因可能提升短時間高強度或耐力性的運動表現，因此成為運動科學的研究焦點。先前的文獻指出，同時增補肌酸與咖啡因會降低肌酸增補效果及不利於運動表現；但倘若將肌酸與咖啡因的增補時間點分開，則有助於短時間高強度的運動表現或延長耐力運動的時間。這之間影響的機轉是肌酸或咖啡因獨立的影響效果，抑或肌酸輔以咖啡因的加成作用，有待未來更多的研究加以瞭解。

關鍵字

腺苷酸接受器；有氧運動；無氧運動；增補劑

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肌酸與咖啡因增補對運動表現之影響

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