六週等量交替與固定強度有氧阻力循環訓練對最大運動表現與血流動力學之影響

The effect of six weeks equal volume of alternative and continuous aerobic combined resistance training on maximal exercise performance and hemodynamics

江政凌(Cheng-Ling Chiang) ； 林晉利(Chin-Li Lin)

《中原體育學報》 9期 (2016/12) Pp. 120-133

https://doi.org/10.6646/CYPEJ.2016.9.120

摘要

間歇式訓練較傳統持續式訓練對心肺適能和有氧代謝能力有類似或更佳的提升，且能同時對有氧能量供應機制與無氧能量供應機制施加負擔。觀察血流動力學評估訓練的深層生理效益。有氧間歇式訓練對年輕健康受試者運動表現之效益與連續式訓練相同，但先前研究之訓練不等量，且並未觀察血流動力學。本研究受試者為36 位20-30 歲健康男性，隨機分為交替強度組 (IT)與持續強度組(CT)，進行每週五天，包含三次腳踏車訓練及兩次等速阻力訓練共六週，IT 組以40%及80% VO2max，CT 組以60% VO2max 強度進行腳踏車訓練。IT 組以角速度60°及180°交替、CT 以120°進行等速阻力訓練，訓練總量相等。結果顯示兩組最大作功強度與達到無氧閾值之% V O2max 皆顯著提升，IT 組最大攝氧量進步17.7%顯著高於CT 組之14.1%，IT 組最作功強度進步19.6%顯著高於CT 組之14.2%。無氧閾值及最大運動時大腿肌肉O2Hb 及HHb 皆顯著提升，CT 組血流動力學則無顯著改變。本研究結果可知IT 訓練對年輕健康男性之最大攝氧量提升有較CT 組有更佳之效益，並可提升運動時腿部血流動力學，此結果可作為健康成年男性進行體能訓練之參考。

關鍵字

間歇訓練 ； 最大攝氧量 ； 近紅外線光譜儀

並列摘要

Interval training had similar or better improvement of cardiorespiratory fitness and aerobic capacity than continuous training and impose a burden on the aerobic and anaerobic energy supply mechanism in the training period. It’s possible to evaluate the hemodynamics to observe the underlying physiological benefit. Previous studies indicated that the benefits of athletic performance in healthy young subjects were identical and the amount of training was not consistant. Subjects were 36 healthy men, age 20-30 and were randomly split into interval training (IT) and continuous training (CT) group. All subjects underwent 6 weeks training period, 5 times/wk, which consist of 3 times bicycle aerobic training (30min) and 2 time isokinetic r esistance training (6-8 sets). The intensity of bicycle training in IT group is 40% and 80% VO2max alternately, 60% VO2max in the CT group. IT group performed 60° and 180° angular velocities alternately and CT group performed 120° in isokinetic resistance training program. Training volume is equal in both groups. The results showed that the maximal workload and the VO2max of anaerobic threshold increased significantly in both groups. In addition, the VO2max of IT group increased higher than CT group (17.7% vs 14.1%), and the maximal workload also higher than the CT group (19.6% vs 14.2%). In addition, IT group significantly enhanced O2Hb and tHb of muscle during AT and peak exercise. The hemodynamics showed no significant change in the CT group. The results of this study showed that IT has similar or better effect than CT on athletic performance. Moreover, IT enhanced the muscle hemodynamics in healthy men. The results provide insights in training for healthy men.

並列關鍵字

Interval Training ； VO2max ； Near-infrared Spectroscopy ； NIRS

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