Effect of Exercise Intensity on Excess Post-exercise Oxygen Consumption in Women.

Uchida Kazuhiro, Imamura Hiroyuki, Miyamoto Noriko, Shirota Tomoko

doi:10.4327/jsnfs.52.129

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Other Title

運動強度が女性の運動後余剰酸素消費量（ＥＰＯＣ）に及ぼす影響
ウンドウキョウドガジョセイノウンドウゴヨジョウサンソショウヒリョウ EPOC ニオヨボスエイキョウ

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A study was conducted to examine the effects of exercise intensity on the duration and magnitude of excess post-exercise oxygen consumption (EPOC) in seven young women who were in the same phase of the menstrual cycle. The subjects exercised on separate days for 30min at an intensity of 40%, 50% or 70% of maximal oxygen uptake (VO₂ max) on a cycle ergometer. Oxygen uptake, respiratory exchange ratio, and heart rate were measured while the subjects rested in a sitting position for 4h after exercise. The results were compared with those of an identical control experiment without exercise. EPOC lasted for 17.7±11.1min (40% VO₂ max), 23.7±8.1min (50%), and 41.3±22.6min (70%), and the corresponding EPOC and excess energy expenditure were 1, 336±838ml and 6±4kcal, 2, 011±646ml and 10±3kcal, 3, 564±1, 627ml and 17±8kcal, respectively. These mean differences were statistically significant (p<0.05). The present results indicate that exercise intensity affects both the duration and magnitude of EPOC.

Journal

Nippon Eiyo Shokuryo Gakkaishi

Nippon Eiyo Shokuryo Gakkaishi 52 (3), 129-134, 1999

Japan Society of Nutrition and Food Science

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