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國立臺中教育大學
107 學年度研究所碩士班招生考試
運動科學概論試題
（含運動生物力學及運動生理學）
適用系所：體育學系碩士班（運動科學組） 一、 如果你有一套測力板系統，你可以做甚麼研究？試寫出一個200 字以內的研 究計畫摘要。(25%) 二、 影響羽球單打比賽成績的力學因素有哪些？試簡要說明之。(25%) 三、 詳讀下文，回答問題。(50%)Effect of green tea extract supplementation on glycogen replenishment in exercised human skeletal muscle
Abstract
The purpose of this study was to investigate the effects of 8-week green tea extract (GTE) supplementation on promoting postexercise muscle glycogen resynthesis and systemic energy substrate utilisation in young college students. A total of eight healthy male participants (age: 22.0 (SE 1.0) years, BMI: 24.2 (SE 0.7) kg/m2, VO2max: 43.2 (SE 2.4) ml/kg per min) participated in this study. GTE (500 mg/d for 8 weeks) was compared with placebo in participants in a double-blind/placebo-controlled and crossover study design with an 8-week washout period. Thereafter, all participants performed a 60-min cycling exercise (75% VO2max) and consumed a carbohydrate-enriched meal immediately after exercise. Vastus lateralis muscle samples were collected immediately (0 h) and 3 h after exercise, and blood and gaseous samples were collected during the 3-h postexercise recovery period. An 8-week oral GTE supplementation had no effects on further promoting muscle glycogen resynthesis in exercised human skeletal muscle, but the exercise-induced muscle GLUT type 4 (GLUT4) protein content was greater in the GTE supplementation trial (P <0.05). We observed that, during the postexercise recovery period, GTE supplementation elicited an increase in energy reliance on fat oxidation compared with the placebo trial (P <0.05), although there were no differences in blood glucoseand insulin responses between the two trials. In summary, 8-week oral GTE
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supplementation increases postexercise systemic fat oxidation and exercise-induced muscle GLUT4 protein content in response to an acute bout of endurance exercise. However, GTE supplementation has no further benefit on promoting muscle glycogen resynthesis during the postexercise period.
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