單次高強度間歇訓練後高濃度氧氣恢復對葡萄糖代謝之影響

本研究目的在探討高強度間歇訓練後於恢復期 90 分鐘內吸入高濃度氧氣 (90% O2) 對於葡萄糖耐受度、胰島素敏感度、皮質醇的影響。8 名大學男子籃球代表隊隊員（年齡 22 ± 1.8 歲、身高 182.8 ± 1.8 公分、體重 78.3 ± 5.1 公斤）接受單次高強度間歇訓練 (high-intensity interval training, HIIT)，以 120-140% 無氧閾值速度作為的運動強度，運動 2 分鐘，間隔休息 1 分鐘，重複 7 次，於 HIIT 後以高濃度氧氣 (90% O2) 及常氧 (21% O2) 進行恢復 90 分鐘，於隔天交換恢復介入方式；運動前後分別進行口服葡萄糖耐受度測試，分析血糖、胰島素、皮質醇濃度。本研究結果血糖值於運動後高氧恢復顯著低於運動前與運動後常氧恢復，並達顯著差異 (p < .05)。胰島素敏感度於運動前以及運動後高氧、常氧狀態下恢復均未達顯著差異 (p > .05)。運動後高氧狀態下恢復於第 60、90 分鐘之皮質醇濃度明顯低於訓練後常氧狀態下恢復 (p < .05)。本研究結論是單次 HIIT 後於高濃度氧氣狀態下恢復 90 分鐘，有助於減緩運動後生理壓力以及提升運動後肌肉細胞對葡萄糖吸收能力。

關鍵字

葡萄糖耐受度；胰島素敏感度；皮質醇

並列摘要

This study was aimed to investigate the effects of hyperoxia recovery (100% O2) after high intensity interval training (HIIT) on glucose tolerance, insulin sensitivity and cortisol levels. Eight male basketball players (aged=22±0.5 years, height=182.8±1.8 cm, weight=78.3±5.1 kg) performed the single-bout high intensity interval training (HIIT) which comprised intensity of 120-140% lactate threshold, lasting for 2 min with rest for 1 min and 7 repetitions. Participants were undergone to including hyperoxia (100% O2) and normoxia (21% O2) recovery for 90 min after HIIT. The interventions of recovery were cross-over between two groups on next day. Oral glucose tolerance test (OGTT) was conducted pre-and post-exercise, and circulating levels of glucose, insulin and cortisol were measured. In the results, significantly lower blood glucose level was noticed in the HIIT with hyperoxia recovery comparing to normaxia and pre-exercise (p＜.05). No significant difference in insulin sensitivity was observed among pre-exercise, post-exercise with hyperoxia and normaxia (p＞.05). Significantly lower cortisol levels were found at 60 and 90 min post-exercise with hyperoxia recovery compared to normaxia recovery (p＜.05). This study suggested that post-HIIT with hyperoxia recovery for 90 mins might have benefit for lowering physiological stress and improved glucose uptake after exercise.

並列關鍵字

HIIT ； hyperoxia ； OGTT ； cortisol

參考文獻

蘇俊雄(2004)。高濃度氧氣對激烈運動後之乳酸、血氧飽和值及血糖之影響。運動生理暨體能學報。1，74-89。

陳慕聰、享麗珍、何建德、黃文成、方雩、陳宗與(2009)。單次運動與負離子暴露對肌肉肝醣儲存量與GLUT4蛋白表現之影響。大專體育學刊。11(1)，117-126。

陳美枝、李毓國、賀心怡、侯建文、沈義文、陳智明(2002)。單次運動與年齡對於身體的葡萄糖耐受度之影響。體育學報。33，43-54。

Anderson, K. E.,Rosner, W.,Khan, M. S.,New, M. I.,Pang, S. Y.,Wissel, P. S.(1987).Diethormone interactions: Protein/carbohydrate ratio alters reciprocally the plasma levels of testosterone and cortisol and their respective binding globulins in man.Life Sciences.40,1761-1768.