运动诱导的体液再分配对男性使用双能X射线吸收仪的身体组成的影响
Elizabeth Carpio-Rivera1,2, Yamileth Chacón-Araya1,2, José Moncada-Jiménez1,2
1Human Movement Sciences Research Center (CIMOHU), University of Costa Rica, San José, Costa Rica.
Journal of sports sciences
|March 7, 2024
概括
急性炼会导致通过双能X射线吸收计 (DXA) 获得的身体组成测量的轻微变化. 这些发现对于使用DXA的技术人员来说很重要,以准确评估体育活动后的身体组成.
科学领域:
- 运动生理学 运动生理学
- 身体组成分析 身体成分分析
背景情况:
- 双能X射线吸收计 (DXA) 是评估身体成分的常用方法.
- 运动可以诱导体内的液体变化,可能会影响DXA测量.
研究的目的:
- 为了研究运动诱导的体液再分配对DXA衍生的身体组成的影响.
- 为了确定不同类型的运动 (上半身与下半身) 是否对DXA得分有不同的影响.
主要方法:
- 30名男性参与者接受了30分钟的上体炼 (UBE),下体炼 (LBE) 和非运动控制 (NEC).
- 在每个条件之前和之后都进行了DXA扫描,以测量身体组成的变量.
- 差异分析 (ANOVA) 用于比较条件和测量之间的差异.
主要成果:
- 上体运动 (UBE) 导致组织脂肪 (0.35±0.12%),区域脂肪 (0.32±0.11%),瘦质 (0.27±0.01 kg) 和总质 (0.27±0.05 kg) 在运动前和运动后的变化具有统计学意义.
- 所有条件 (NEC,UBE,LBE) 均显示运动前后总体质量显著增加,而LBE显示最大的增加 (0.31±0.04公斤).
- 在每个实验条件下观察到高绝对可靠性.
结论:
- 剧烈的运动,特别是下部运动,可以诱导DXA测量的身体组成指标的小但显著的变化.
- 这些流体转移对DXA技术人员有实际意义,强调需要考虑与身体组成评估相对的运动时间.
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