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題 名 | 咖啡因攝取對阻力運動表現與肌肉疼痛指數之影響=The Effect of Caffeine on Performance and Muscle Pain during Resistance Exercise |
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作 者 | 陳柏翰; 吳柏翰; | 書刊名 | 運動與健康研究 |
卷 期 | 2:2 2013.04[民102.04] |
頁 次 | 頁65-82 |
分類號 | 528.9013 |
關鍵詞 | 自覺量表; 膝關節伸展; 腺嘌呤核苷; Rate of perceived exertion; Adenosine; Knee extension; |
語 文 | 中文(Chinese) |
中文摘要 | 研究背景:肌肉疼痛普遍存在於中高強度之運動當中,本研究之目的希望了解咖啡因攝取對於中高強度阻力運動(resistance exercise, RE)中肌耐力表現與肌疼痛指數之影響。方法:10位受過規律阻力訓練的大專運動選手(age, 21±1.1yr;mass, 80.5±11.8kg) 為本研究之受試者。所有受試者先進行最大肌力測驗(one-repetition-maximum, 1RM),之後以對抗平衡次序(counter-balanced order)與雙盲(double-blind)實驗設計方式分為咖啡因組(CAF, 6mg/kg)與安慰劑組(PLA)。受試者在阻力運動前60分鐘攝取咖啡因或安慰劑,隨後進行阻力運動(坐姿伸腿運動、80%1RM至衰竭、3組)。每組之總舉起重量(反覆次數×80%1RM)、肌肉疼痛指數、血乳酸、心跳率與收縮血壓在每一組運動結束後立即被紀錄。每次實驗處理至少間隔7天。本研究以重複量數2因子(實驗處理×時間)變異數分析(ANOVA)分析兩組間測驗變項之差異。結果:本研究發現阻力運動中(S2 與S3)總舉起重量與血乳酸之數值在CAF顯著高PLA(P< .05)。此外,CAF在阻力運動中的肌肉疼痛指數顯著低於PLA(S1、S2與S3)。然而,CAF與PLA之心跳率與收縮血壓皆無顯著差異(P> .05)。結論:本研究的結果指出在阻力運動前攝取咖啡因(6mg/kg)可以顯著改善肌耐力表現並降低肌肉疼痛指數。 |
英文摘要 | Background: Muscle pain commonly caused by moderate to high intensity exercise. The purpose of this study was to investigate the effects of caffeine ingestion on perception of leg muscle pain and muscular endurance performance during high-intensity resistance exercise (RE). Methods: Ten well-trained college rugby players (age, 21±1.1 yr; mass, 80.5±11.8 kg) who regularly perform RE participated in this study. All subjects perform one-repetition-maximum (1RM) test, followed by the administration of two treatments: caffeine (CAF, 6mg/kg) and placebo (PLA) in a counter-balanced and double-blind experimental design. All subjects ingested a treatment 60 min prior to RE, and then they performed RE (knee extension exercise, 3 set at 80 % of 1RM until failure). Perceptions of leg muscle pain, blood lactate, heart rate, systolic blood pressure and total weight lifted were recorded at the end of each set RE (S1, S2 and S3). Experimental trials were separated by 1 week. In this study, a two -way analysis of variance (treatment by time) with repeated measures was applied. Results: Results showed that total weight lifted and blood lactate were higher in CAF versus PLA during RE (S2, S3) (P<0.05). Moreover, the leg muscle pain ratings of CAF were significantly lower than PLA during RE (S1, S2 and S3). However, no significant difference was found in heart rate and systolic blood pressure between CAF and PLA (P>0.05). Conclusions: The results of this study indicated that caffeine ingestion (6mg/kg) prior to RE significantly reduces muscle pain and improves muscle endurance performance. |
本系統中英文摘要資訊取自各篇刊載內容。