一个随机交叉试验关于节奏对小牛养测试结果的影响:节奏是否重要
Kim Hébert-Losier1, Ma Roxanne Fernandez1,2, Josie Athens3
1Division of Health, Engineering, Computing and Science, Te Huataki Waiora School of Health, University of Waikato, Tauranga, New Zealand.
Journal of applied biomechanics
|February 19, 2025
概括
牛犊提升测试 (CRT) 节奏显著影响工作和功率等结果,60次/分钟优化垂直移位和工作. 标准化节奏对于可靠的CRT结果至关重要.
科学领域:
- 生物力学 生物力学
- 运动生理学 运动生理学
- 肌肉骨系统评估
背景情况:
- 腿部提升测试 (CRT) 是三肌肌单元的标准功能评估.
- 目前的CRT协议使用不同的节奏,60次/分钟是常见的,但据报道范围为30至120次/分钟.
- 不同节奏对CRT性能指标的影响仍然不完全理解.
研究的目的:
- 为了研究不同节奏对小牛养殖试验 (CRT) 结果的影响.
- 分析性别,年龄,体重指数和体力活动等因素如何影响CRT结果.
- 为了确定标准化CRT性能的最佳节奏.
主要方法:
- 三十六名健康的参与者 (50%的女性) 在三种随机节奏条件下 (30,60,120次/分钟),以一周的时间隔离完成了单腿小牛的疲劳提升.
- 包括重复,总垂直位移,总工作,峰值高度和峰值功率在内的结果使用Calf Raise应用程序进行了测量.
- 统计分析考虑了潜在的混因素,如性别,年龄,BMI和体力活动水平.
主要成果:
- 节奏显著影响了总垂直移位,总工作量,峰值高度和峰值功率 (P ≤ .008),但不是重复次数 (P = .200).
- 与30和120次/分钟相比,60次/分钟的节奏率产生了明显更大的总垂直移位和工作量.
- 峰值功率在120次/分钟时是最高的,而峰值高度在60次和120次/分钟时比在30次/分钟时更高.
结论:
- 牛犊养测试 (CRT) 节奏是一个关键变量,显著影响性能结果.
- 60节拍/分钟的节奏似乎是最大限度地提高CRT期间总垂直移位和工作的最佳.
- 标准化CRT节奏对于准确地解释和比较跨研究和人群的结果至关重要.
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