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首页> 美国卫生研究院文献>International Journal of Environmental Research and Public Health >Maximal Oxygen Uptake Adjusted for Skeletal Muscle Mass in Competitive Speed-Power and Endurance Male Athletes: Changes in a One-Year Training Cycle
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Maximal Oxygen Uptake Adjusted for Skeletal Muscle Mass in Competitive Speed-Power and Endurance Male Athletes: Changes in a One-Year Training Cycle

机译：最大氧气摄取用于竞争速度和耐力男运动员的骨骼肌肿块：一年培训周期的变化

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We compared the changes in maximum oxygen uptake (V·O2max) calculated per skeletal muscle mass (SMM) with conventional V·O2max measures in a 1-year training cycle. We hypothesized that the pattern of changes would differ between SMM-adjusted and absolute or weight-adjusted values, and the differences between groups of distinct training specialization and status will depend on the measure used. Twelve sprinters (24.7 ± 3.3 years), 10 endurance runners (25.3 ± 5.3 years), and 10 recreationally trained controls (29 ± 4.5 years) performed a treadmill test until exhaustion to determine V·O2max. Their SMM was estimated based on the dual X-ray absorptiometry method and a regression equation. The significance of differences was assessed using analysis of variance (p ≤ 0.05). The pattern of the longitudinal change was not different between V·O2max/SMM and standard measures. Also, the significance of differences between sprinters and endurance athletes remained similar regardless of the V·O2max measure. Sprinters and controls had similar absolute (~4.3 L·min−1) and total weight-adjusted (~52 vs. ~56 mL·min−1·kg) V·O2max, but they significantly differed in SMM-adjusted V·O2max (~110 vs. ~130 mL·min−1·kg SMM−1). In summary, SMM-adjusted V·O2max is not more useful than standard measures to track longitudinal changes in competitive athletes. However, it allows to better distinguish between groups or individuals differing in training status. The results of our study are limited to male athletes.
机译：我们将每个骨骼肌质量（SMM）计算的最大氧吸收（v·O2max）的变化与常规的V·O2MAX措施进行了1年的培训循环。我们假设改变模式在SMM调整和绝对或体重调整的值之间会有所不同，并且不同培训专业化和状态组之间的差异将取决于所使用的措施。十二个短跑运动员（24.7±3.3岁），10个耐力跑步者（25.3±5.3岁）和10个娱乐训练有素的控制（29±4.5岁）进行了跑步机测试，直到耗尽来确定V·O2MAX。基于双X射线吸收法和回归方程估计了它们的SMM。使用方差分析评估差异的重要性（P≤0.05）。 V·O2MAX / SMM和标准措施之间的纵向变化的图案在v·O2MAX / SMM之间不具有不同。此外，无论V·O2MAX措施如何，短跑运动员和耐力运动员之间的差异的意义仍然相似。短跑运动员和对照具有相似的绝对（〜4.3升·最小1）和总体重调整（〜52〜56毫升·min-1·kg）v·O2max，但它们在SMM调节的V·O2MAX中显着不同（〜110〜130毫升·min-1·kg SMM-1）。总之，SMM调整的V·O2MAX并不比标准措施追踪竞争运动员纵向变化的标准措施更有用。然而，它允许更好地区分培训地位不同的组或个人。我们研究的结果仅限于男性运动员。

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