高强度冲刺运动对冲刺者的神经肌肉功能的影响:反运动跳跃作为疲劳评估工具
Takahiro Hasegawa1,2, Kotaro Muratomi3, Yuki Furuhashi3
1Hillside Teachers' College, Bulawayo, Zimbabwe.
PeerJ
|June 3, 2024
概括
高强度冲刺练习 (HIS) 可以使用反运动跳跃 (CMJ) 监控,以评估冲刺者的神经肌肉疲劳 (NMF). 这项研究发现,CMJ对于追踪HIS后的疲劳有用,特别是集中功率的变化.
科学领域:
- 运动科学 运动科学 运动科学
- 运动生理学 运动生理学
- 生物力学 生物力学
背景情况:
- 高强度冲刺练习 (HIS) 对于冲刺者训练至关重要.
- 监测运动员的肌肉疲劳对于提高表现和预防伤害至关重要.
- 在HIS后评估神经肌肉疲劳 (NMF) 的反运动跳跃 (CMJ) 的实用性需要进一步调查.
研究的目的:
- 调查HIS对CMJ性能的影响.
- 评估CMJ的实用性,以评估NMF在短跑者中的HIS之后的NMF.
主要方法:
- 十名男子大学400米短跑运动员参加了400米短跑疲劳协议.
- 进行了五次CMJ测试会议:基线,3分钟,10分钟,1小时和24小时后的协议.
- 分析了CMJ性能,力-时间和功率-时间曲线以及感知劳动力 (RPE) 的评级.
主要成果:
- 在疲劳后观察到CMJ变量和力-时间曲线的显著变化.
- 与基线相比,集中平均功率在24小时内仍然显著下降.
- 力量-时间曲线显示,集中相的50-75%显著减少.
结论:
- CMJ是监测400米短跑运动员疲劳的潜在有价值的工具.
- 在运动的同心阶段,HIS可能会对力产生产生不成比例的影响.
- 这些发现可以为冲刺运动员的训练处方和伤害预防策略提供信息.
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