在训练有素的男性中,内分泌对低负荷血流受限和高负荷阻力运动的内分泌反应
Drake A Eserhaut1, Joseph M DeLeo1,2, Jessica A Provost1
1Jayhawk Athletic Performance Laboratory-Wu Tsai Human Performance Alliance, University of Kansas, Lawrence, Kansas, USA.
Physiological reports
|July 9, 2025
概括
低负荷阻力运动与血流限制 (LL-BFR) 和高负荷阻力运动 (HL-RE) 引起类似的急性内分泌反应. 运动员可以使用LL-BFR而不是HL-RE,当偏好较低的强度时,在荷尔蒙结果上没有显著差异.
科学领域:
- 运动生理学 运动生理学
- 内分泌学 在内分泌学.
- 运动科学 运动科学 运动科学
背景情况:
- 抵抗运动会引起显著的急性荷尔蒙反应,包括和上腺素的升高.
- 血流限制 (BFR) 训练是一种新的训练方式,可以通过使用低负荷来实现肌肉缩和力量增加.
- 与传统的高负荷阻力运动 (HL-RE) 相比,对低负荷阻力运动与血液流量限制 (LL-BFR) 的急性内分泌反应尚未得到充分证实.
研究的目的:
- 为了比较LL-BFR和HL-RE之间的 (T),皮质醇 (C),上腺素 (EPI),北上腺素 (NE) 和22 kDa生长激素 (GH-22 kDa) 的急性激素反应.
- 确定LL-BFR是否可以作为HL-RE的替代品,而不会影响急性内分泌适应.
主要方法:
- 12名健康的,经过抵抗训练的男性参与了一项随机交叉研究.
- 参与者执行了LL-BFR (30% 1RM) 和HL-RE (70% 1RM) 协议,每个协议都涉及四组双边坐着的腿部延伸到失败,休息60秒.
- 运动后立即 (IP) 和运动后5分钟 (+5分钟) 采集血液样本,以测量激素度.
主要成果:
- 对于任何测量的激素分析物来说,没有观察到显著的条件 × 时间相互作用效应.
- 无论是LL-BFR还是HL-RE,都显著提高了上腺素和的水平.
- 与HL-RE相比,LL-BFR导致了更多的总重复和较低的体积负载.
结论:
- 急性内分泌反应,包括和上腺素,在LL-BFR和HL-RE之间是可比的.
- 对于寻求以较低强度训练的运动员而言,LL-BFR是HL-RE的可行替代品,同时引发类似的急性荷尔蒙适应.
- 这些发现表明,急性骨肌 β2 上腺素受体酸化在两种运动方式之间可能是相似的.
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