在长板压力过程中,线性位置转换器的可靠性跨越了三个段
Jennifer Rivera1, Edward Z Pelka1, Ryan W Gant1
1Exercise Physiology Program, Kent State University, Kent, OH, USA.
International journal of exercise science
|July 25, 2025
概括
HUMAC360系统可靠地测量板压时的平均速度 (MV) 和峰值速度 (PV),但持续时间 (DUR) 测量需要谨慎. 对于DUR,可靠性在强度和细分市场上有所不同.
科学领域:
- 生物力学 生物力学
- 运动科学 运动科学 运动科学
- 人类运动分析 人类运动分析
背景情况:
- 精确测量运动动力学对于性能分析和伤害预防至关重要.
- HUMAC360系统是一种用于评估强度和功率的工具,但其对于特定板压力指标的可靠性需要验证.
研究的目的:
- 为了确定HUMAC360在板压练习期间测量持续时间 (DUR),峰值速度 (PV) 和平均速度 (MV) 的inter-set和inter-session可靠性.
- 评估不同强度级别 (30%-70%的一次重复最大) 和不同的运动段 (底部,中间,顶部) 的可靠性.
主要方法:
- 17名娱乐活跃的成年人参与了测试,完成了一次重复的最大测试,随后进行了两次测试.
- 参与者执行了两组三次重复,每次重复的最大数的不同百分比.
- 使用类内相关系数 (ICC) 和标准测量误差 (SEM) 评估可靠性,并对显著差异进行配对样本t测试.
主要成果:
- 在大多数强度和集之间的段落中,观察到峰值速度 (PV) 和平均速度 (MV) 的出色可靠性 (高ICC).
- 对于PV和MV的会话间可靠性在较低的强度下是很好的,但在更高的强度下降.
- 会议间持续时间 (DUR) 的可靠性在强度和运动段之间变化.
结论:
- HUMAC360系统在各种集和会话中在长椅压力过程中可靠地测量了峰值速度 (PV) 和平均速度 (MV).
- 用户在解释从HUMAC360获得的持续时间 (DUR) 测量时应谨慎使用,因为它的可靠性不太一致.
- 这些发现支持使用HUMAC360进行基于机床压力中的基于速度的评估,特别注意持续时间测量的局限性.
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