加速异常和突出异常负荷对地表现和下肢生物力学的急性影响
Mingrui Zhang1, Hao Zhou1, Xiaoyan Xiang1
1School of Athletic Performance, Shanghai University of Sport, Shanghai 200438, China.
Sports (Basel, Switzerland)
|December 24, 2025
概括
加速异常运动 (AE) 训练与恒定阻力 (CR) 和突出异常负荷 (AEL) 相比,显著提高了同心式坐性能和力输出. 异常速度似乎比异常负载更为关键,以提高力量训练的结果.
科学领域:
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
- 运动生理学 运动生理学
背景情况:
- 奇特训练对于增强力量和力量至关重要.
- 存在不同的异常训练策略,包括恒定阻力 (CR),突出异常负荷 (AEL) 和加速异常 (AE).
- 这些策略对集中性表现的急性影响需要进一步研究.
研究的目的:
- 为了比较CR,AEL和AE异常训练策略对地表现的急性影响.
- 在不同的偏心条件下分析同心相的生物力学特征.
- 为了确定异常速度与异常负载对后续同心性能的影响.
主要方法:
- 24名经验丰富的抵抗训练的男性大学运动员参加了一项随机交叉研究.
- 参与者执行了三种坐方案:AEL (90% 1RM/60% 1RM/2s),CR (60% 1RM/60% 1RM/2s) 和AE (60% 1RM/60% 1RM/尽可能快).
- 使用3D运动捕捉和力板收集动力学和动力学数据.
主要成果:
- 与AEL和CR (p < 0.001) 相比,加速异常 (AE) 导致平均同心杆速度显著提高 (p < 0.001).
- AE在峰值地面反应力和峰值关节角速度和时刻 (p < 0.05) 中表现出显著的优势.
- 尽管异常负载增加,但AEL显示出同心性能的有限增强.
结论:
- 增加异常相速,就像AE一样,显著提高了随后的同心性能和力输出.
- 异常速度似乎是优化力量训练适应的比异常负载更关键的变量.
- 这些发现表明,AE可能是短期改善功率和性能的优越策略.
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