不同激活策略对精英女赛道自行车运动员站立起跑表现的影响
Yapu Liang1, Tianhe Li2, Jiayue Liu3
1School of Strength and Conditioning Training, Beijing Sport University, Beijing, 100084, China. yapu_liang@bsu.edu.cn.
Scientific reports
|July 2, 2025
概括
动态高惯性负荷 (DYN) 激活显著提高了精英女赛道骑行者冲刺表现. 这种激活后性能增强 (PAPE) 方法改善了计时速度和峰值扭矩,激活后4分钟看到最佳效果.
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:
- 激活后性能提升 (PAPE) 是体育科学中公认的现象.
- 存在各种PAPE激活方法,但它们对特定运动行为的有效性需要进一步研究.
- 精英女赛道自行车运动员的站立起跑冲刺表现可能受益于有针对性的PAPE策略.
研究的目的:
- 为了比较不同PAPE激活方法对精英女赛道自行车运动员站立起跑冲刺表现的影响.
- 确定最佳的PAPE激活方法和时间,以提高这个群体的冲刺表现.
主要方法:
- 八名精英女赛道骑自行车运动员参加了一项随机对抗平衡研究.
- 测试了四种PAPE协议:非激活 (CON),动态高惯性负载 (DYN),特定同位数收缩 (ISO) 和背 (BSQ).
- 冲刺性能通过62.5米的站立启动时间试验进行评估,测量时间,峰值输出功率和峰值扭矩在激活后的4,8分钟和12分钟.
主要成果:
- 动态高惯性负荷 (DYN) 激活显著减少了计时时间,并在激活后4分钟增加了峰值扭矩.
- 特定的同位数收缩 (ISO) 在12分钟改善了峰值扭矩,但没有显著改变冲刺时间.
- 背 (BSQ) 和对照条件在冲刺表现指标上没有显著改善.
结论:
- 动态高惯性负荷 (DYN) 是最有效的PAPE方法,用于提高精英女赛道骑行者站立起跑的冲刺表现.
- 为了提高冲刺表现,DYN激活的最佳时间是干预后大约4分钟.
- 虽然ISO可能会提高峰值扭矩,但在这种情况下,它不会转化为更好的冲刺性能.
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