在不同强度领域内,血管适应运动训练的性别差异
Letizia Rasica1,2, Erin Calaine Inglis1, Rogerio N Soares3
1Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada.
概括
高强度间歇训练 (HIIT) 显著改善心肺健康和血管适应. 这些改善受到运动强度和性别的影响,HIIT显示出比中等强度训练更大的效果.
科学领域:
- 运动生理学 运动生理学
- 心血管适应 适应心血管
- 运动科学 运动科学 运动科学
背景情况:
- 通过最大氧气消耗 (V·o2max) 来衡量心肺呼吸能力,对于预测心血管疾病死亡率至关重要.
- 耐力炼训练有效地提高V·o2max,强度在适应中起着关键作用.
- 运动强度领域对血管适应和潜在的性别差异的影响在很大程度上仍未被探索.
研究的目的:
- 为了研究不同的运动强度领域如何影响血液动力学和下肢血管适应.
- 为了确定性别是否影响运动强度,心肺健康和血管变化之间的关系.
- 在中度,重度,重度 (HIIT) 和极度 (SIT) 强度域中比较适应.
主要方法:
- 70名健康的久坐不动的成年人 (35名女性,35名男性) 完成了为期6周的耐力运动训练.
- 训练被分为五个强度领域:中度 (MOD),重度 (HVY1,HVY2),高强度间歇训练 (HIIT) 和冲刺间歇训练 (SIT).
- 评估了血液动力学和血管参数,包括Vo2max,血压和大腿动脉功能.
主要成果:
- 与中等强度训练相比,高强度间歇训练 (HIIT) 诱导了休息时血液动力学和血管导电性的更大改善.
- 2max变化与血管导电率,大腿动脉直径和反应性高血压相关,但与女性的流媒体扩张负相关.
- 在HIIT中,Vo2max增益和外周血管适应之间的性别特定关联更为明显.
结论:
- 有助于心血管健康增长的外周血管适应受运动强度领域的显著影响.
- 性行为在调节运动强度,心肺健康和血管适应之间的关系方面发挥着至关重要的作用.
- HIIT似乎是对心肺和血管改善的强有力的刺激,性别特异性反应.
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