抵抗训练对骨肌肉质量和棕色脂肪组织活动的影响
Tamao Naito1, Riki Tanaka2, Miyuki Kuroiwa1
1Department of Sports Medicine for Health Promotion, Tokyo Medical University, Tokyo, Japan.
Advances in experimental medicine and biology
|October 14, 2024
概括
阻力训练 (RT) 可能会影响棕色脂肪组织 (BAT) 密度,显示出BAT密度增加的趋势,骨肌肉质量和发热量增加,尽管不显著. 需要进一步的研究来确认RT.
科学领域:
- 运动生理学 运动生理学
- 代谢健康 代谢健康
- 脂肪组织生物学 脂肪组织生物学
背景情况:
- 棕色脂肪组织 (BAT) 在能量消耗和代谢调节中发挥作用,可能预防肥胖和II型糖尿病.
- 有限的研究存在于BAT的运动诱导的改变,特别是关于阻力训练 (RT).
研究的目的:
- 为了研究在寒冷环境下进行10周的抵抗训练 (RT) 干预对女性棕色脂肪组织 (BAT) 密度的影响.
- 探索骨肌肉质量的变化,关节上区域特异性热生成 (SST) 和在RT后的BAT密度之间的关系.
主要方法:
- 15名女性被分为RT组 (n=7) 和对照组 (n=8).
- 参与者在寒冷条件下每周两次接受RT,持续10周.
- 棕色脂肪组织密度 (BAT-d) 使用近红外时间分辨率光谱通过在干预前后测量总血红蛋白度来评估.
主要成果:
- 在干预后的RT和CT组之间没有观察到BAT密度的显著差异 (p=0.921).
- 在RT组中,骨肌肉质量增加和BAT密度之间发现了正相关性 (r=0.615,p=0.142).
- 超关节区域特异性热生成 (SST) 在RT组中显示出与BAT密度的显著正相关性 (r=0.889,p=0.007).
结论:
- 阻力训练可能会影响棕色脂肪组织的变性,由BAT密度增加的趋势与更大的骨肌肉质量和SST表明.
- 尽管观察到相关性,但RT干预并没有导致该队列的BAT密度在统计学上显著增加.
- 需要进一步调查,以阐明RT对BAT功能及其代谢影响的确切机制和程度.
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