在接受鼓舞性肌肉训练的运动员中,对心肺呼吸阶段同步的多种模式的表征
概括
一种分析运动员心肺呼吸相同步 (CRPS) 的新方法显示,考虑所有相锁定比率 (PLR) 是至关重要的. 这种方法检测到中等强度启发性肌肉训练后CRPS的变化,与传统方法不同.
科学领域:
- 心血管呼吸系统生理学
- 非线性动力学是一种非线性动力学.
- 运动生理学 运动生理学
背景情况:
- 心肺呼吸相同步 (CRPS) 描述了心跳与呼吸保持一致.
- CRPS是动态的,表现出各种同步模式 (相锁定比率,PLR) 和间歇解锁.
- 传统的CRPS分析往往侧重于一个单一的最大PLR,可能缺少关键信息.
研究的目的:
- 评估一种新的CRPS指数 (SYNC%sum),该指数可以量化所有结合的心跳,而不考虑特定的PLR.
- 为了比较SYNC%sum与传统的同步指数 (SYNC%) 在检测CRPS变化的有效性.
- 研究启发性肌肉训练 (IMT) 对业余骑自行车者的CRPS的影响.
主要方法:
- 在25名男性业余骑自行车者 (年龄20-40岁) 中,使用SYNC%sum和SYNC%评估CRPS.
- 测量是在中等强度IMT协议 (60%的最大吸气压) 之前和之后进行的.
- 在休息和活动站立 (STAND) 条件下评估CRPS以评估心肺呼吸控制.
主要成果:
- 在STAND过程中,SYNC%sum在中度强度IMT后成功检测到CRPS的下降.
- 使用传统的SYNC%方法,无法发现CRPS的这种下降.
- 这些发现突显了运动员中存在的多种不同阶段锁定模式.
结论:
- 该研究强调了分析多个PLR的重要性,以全面了解CRPS.
- SYNC%sum指数提供了更敏感的心肺呼吸控制变化的衡量标准,特别是在IMT后.
- 多阶段锁定方案显著影响运动员的心肺呼吸控制,特别是中度后的IMT.
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