4周低负荷阻力训练与血流限制对年轻游泳者的肌肉力量和左心室功能的影响:试点随机试验
Zhenhuan Wang1,2, Muhammed M Atakan3, Burak Acar4
1Key Lab of General Administration of Sport, Southwest University, Chongqing, China.
Journal of human kinetics
|August 10, 2023
概括
低负荷阻力训练与血流限制 (BFR) 和高负荷阻力训练 (HL-RT) 同样增强年轻游泳者的肌肉力量. 两种方法在四周后对心脏结构和左心室功能的影响最小.
科学领域:
- 运动生理学 运动生理学
- 心血管生理学心血管生理学
- 运动科学 运动科学 运动科学
背景情况:
- 低负荷阻力训练与血液流量限制 (BFR) 被认为可以诱导肌肉缩和力量增加,与高负荷训练相美.
- 然而,BFR增强抵抗训练对心脏结构和功能的具体影响仍未得到充分研究.
研究的目的:
- 为了比较传统的高负荷阻力训练 (HL-RT) 与低负荷阻力训练与BFR (LL-BFR) 对年轻游泳者的肌肉力量和左心室功能的影响.
主要方法:
- 一项随机研究涉及16名年轻游泳者,分为HL-RT和LL-BFR组,进行为期4周的训练计划.
- 干预包括每天高负荷坐或低负荷坐,大腿袖口膨胀到200mmHg.
- 测量包括身体组成,一次重复最大 (1RM) 背,以及对心脏结构和功能的心声评估.
主要成果:
- 无论是HL-RT还是LL-BFR组都在1RM背强度方面表现出显著的改善.
- 在这两组训练中,观察到肠隔膜末缩厚度的轻微,统计学上显著的增加.
- 在任何一个组中,在其他心脏参数中没有发现显著变化,包括左心室质量,心脏输出,射出分数或中风体积.
结论:
- 四周的HL-RT或LL-BFR有效地提高了年轻游泳者的肌肉力量.
- 这些训练模式似乎对这群人心脏结构和左心室功能的影响有限.
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