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A comparison of two resistance exercise bouts of different intensities but equal work volume on excess post exercise oxygen consumption.

机译：两种强度不同但工作量相等的阻力运动的比较，结果是运动后的氧气消耗过量。

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摘要

This study compared the effect of low and high intensity resistance exercise bout of equal work output, to determine which produced the greatest exercise energy expenditure and excess post-exercise oxygen consumption (EPOC). Fourteen females performed a no-exercise baseline control (CN) session. In two other sessions subjects performed 2 sets of 15 repetitions for each exercise at 45% of their 8-RM during one session (LO) and 2 sets of 8 repetitions at 85% of their 8-repetition maximum (8-RM) during another session (HI). Measures for all three sessions included: heart rate (HR) and blood lactate ([La -]) pre-exercise, end of exercise and 20 min, 60 min and 120 min post-exercise; and ventilation volume (VE), oxygen consumption (VO2), and respiratory exchange ratio (RER), during exercise and at intervals 0--20 min, 45--60 min and 105--120 min post-exercise. Exercise VO2 was not significantly different between HI and LO intensity, but [La-], VE, and HR were significantly greater for HI. Total EPOC was greater for HI (2.33 LO2) compared to LO (1.34 LO2). During the 0--20 min post-exercise interval, the VE was significantly greater for the HI compared to the LO and CN. VE and HR for HI and LO were significantly greater than the CN. The RER, for the HI (1.07) and LO (1.05) were significantly higher than CN (0.86) during exercise, but HI, LO and CN were not significantly different at anytime post-exercise. The estimated caloric value of EPOC was 17.0 kcal for HI and 8.45 kcal for LO. These data indicate that when work volume is held constant and produces similar exercise energy expenditure, high intensity resistance exercise will produce a greater EPOC than low intensity resistance exercise.
机译：这项研究比较了低功强度锻炼和高强度阻力锻炼等功输出的效果，以确定哪个产生了最大的运动能量消耗和过量的运动后氧气消耗（EPOC）。 14名女性进行了无运动基线控制（CN）训练。在另外两节中，受试者在一个练习中（LO）以其8-RM的45％进行两次练习，每组15次重复，在另一节中进行2组8次重复（8-RM）的85％的重复8次。会话（HI）。这三个阶段的测量包括：运动前，运动结束和运动后20分钟，60分钟和120分钟时的心率（HR）和血液乳酸（La）。运动后以及运动后0--20分钟，45--60分钟和105--120分钟之间的间隔，通气量（VE），耗氧量（VO2）和呼吸交换率（RER）。 HI和LO强度之间的运动VO2差异不显着，但HI的[La-]，VE和HR显着更高。 HI（2.33 LO2）的总EPOC高于LO（1.34 LO2）。在运动后的0--20分钟间隔内，HI的VE明显高于LO和CN。 HI和LO的VE和HR明显大于CN。运动期间，HI（1.07）和LO（1.05）的RER显着高于CN（0.86），但运动后任何时候HI，LO和CN均无显着差异。 HI的EPOC估计热量为17.0 kcal，LO的估计热量为8.45 kcal。这些数据表明，当工作量保持恒定并产生类似的运动能量消耗时，高强度抗阻力运动会比低强度抗阻力运动产生更大的EPOC。

著录项

  • 作者

    Thornton, M. Kathleen.;

  • 作者单位

    University of Kansas.;

  • 授予单位 University of Kansas.;
  • 学科 Health Sciences Recreation.
  • 学位 Ph.D.
  • 年度 2000
  • 页码 187 p.
  • 总页数 187
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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