基于饮食的被动水化对肌肉量评估的影响
Julian Seiler Viken1, Vebjørn Nettum1, Gøran Paulsen1,2
1Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway.
Frontiers in physiology
|December 8, 2025
概括
补水显著影响总体水和瘦组织质量 (LTM) 测量,特别是在干部. 标准化补水对于准确监测肌肉质量变化至关重要.
科学领域:
- 生理学 生理学 生理学
- 身体组成分析 身体成分分析
背景情况:
- 补水状态是影响生理测量的关键因素.
- 了解其对瘦组织质量 (LTM) 和肌肉形态的影响对于准确的身体成分评估至关重要.
研究的目的:
- 为了研究被动水合变化对LTM和肌肉形态学的影响.
- 为了确定水分状态是否会影响通过双能X射线吸收计 (DXA) 和3D超声波获得的测量结果.
主要方法:
- 16名健康参与者接受了两次测试,操纵了水分水平 (非水合与水合).
- 测量包括DXA用于LTM,3D超声波用于大侧肌 (VL) 肌肉形态,和生物电阻分析 (BIA) 总体水.
主要成果:
- 与非水合参与者相比,水合参与者体内的总体水分 (BIA) 显著增加.
- 总LTM (DXA) 在全身和干部显著高于水合状态.
- 肌肉形态 (VL体积和CSA) 和四肢LTM测量没有受到水分状态的显著影响.
结论:
- 轻微的被动水分变化可能不会显著改变肌肉形态或肢体LTM测量.
- 总LTM测量可以受到水摄入量和干部水分的影响,可能会影响肌肉质量监测.
- 使用总LTM来追踪肌肉数量的变化时,建议标准化水分.
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