Cardiovascular Dynamics Laboratory, Kent State University, Kent, Ohio, USA.
Florida Southern College, Lakeland, FL, USA.
J Sports Sci Med. 2021 Apr 1;20(2):349-356. doi: 10.52082/jssm.2021.349. eCollection 2021 Jun.
The purpose of the study was to assess high-intensity battling rope exercise (HI-BRE) on hemodynamics, pulse wave reflection and arterial stiffness during recovery and between sexes. Twenty-three young, healthy resistance-trained individuals (men: n = 13; women: n = 10) were assessed for all measures at Rest, as well as 10-, 30-, and 60-minutes following HI-BRE. A one-way repeated measures ANOVA was used to analyze the effects of HI-BRE across time (Rest, 10, 30, and 60-minutes) on all dependent variables. Significant main effects were analyzed using paired t-tests with a Sidak correction factor. Significance was accepted at p 0.05. There were significant reductions in hemodynamic measures of diastolic blood pressure (BP) in women, but not men following HI-BRE at 30 minutes. Further, measures of pulse wave reflection, specifically those of the augmentation index (AIx) and wasted left ventricular energy (ΔE), were significantly increased in both men and women for 60 minutes, but changes were significantly attenuated in women suggesting less ventricular work. There were also significant increases in arterial stiffness in regard to the aorta and common carotid artery that were fully recovered by 30 and 60 minutes, respectively with no differences between men and women. Thus, the primary findings of this study suggest that measures of hemodynamics and pulse wave reflection are collectively altered for at least 60 minutes following HI-BRE, with women having attenuated responses compared to men.
本研究旨在评估高强度搏击绳训练（HI-BRE）对血流动力学、脉搏波反射和动脉僵硬的影响，以及不同性别之间的差异。23 名年轻、健康的抗阻训练个体（男性：n = 13；女性：n = 10）在休息时以及 HI-BRE 后 10、30 和 60 分钟时评估所有指标。采用单向重复测量方差分析评估 HI-BRE 对所有依赖变量在时间（休息时、10、30 和 60 分钟）上的影响。使用配对 t 检验和 Sidak 校正因子分析显著的主效应。p 值 0.05 被认为具有统计学意义。女性在 HI-BRE 后 30 分钟时舒张压（BP）的血流动力学指标显著降低，但男性没有。此外，脉搏波反射的指标，特别是增强指数（AIx）和左心室能量浪费（ΔE），在男性和女性中均显著增加 60 分钟，但女性的变化明显减弱，表明心室工作量减少。主动脉和颈总动脉的动脉僵硬也显著增加，分别在 30 和 60 分钟时完全恢复，男女之间无差异。因此，本研究的主要发现表明，HI-BRE 后至少 60 分钟内，血流动力学和脉搏波反射的指标会发生改变，女性的反应明显低于男性。
