在爆炸性胸部压力练习期间,可编程电机电机产生可变惯性电阻对抗力的力,速度,功率和肌肉激活的影响
Luca Zoffoli1, Silvano Zanuso2, Andrea Biscarini3
1Scientific Research and Innovation Department, Technogym S.p.A., 47521 Cesena, Italy.
Bioengineering (Basel, Switzerland)
|March 28, 2025
概括
使用机电机械的可变惯性阻力训练可以增强力和输出功率. 这项研究发现,线性下降惯性 (I_VAR) 配置文件比恒定惯性 (I_FULL) 或零惯性 (I_ZERO) 配置文件更能提高性能.
科学领域:
- 生物力学 生物力学
- 运动生理学 运动生理学
- 运动工程 运动工程
背景情况:
- 现代力量训练机器利用电机技术来创建混合电阻.
- 这些机器可以生成可变惯性配置,改变整个运动范围 (ROM) 的阻力.
研究的目的:
- 为了研究在胸部压力练习期间不同惯性阻力配置的生物力学影响.
- 为了比较恒定惯性 (I_FULL),零惯性 (I_ZERO) 和可变惯性 (I_VAR) 的配置文件.
主要方法:
- 十个健康的成年人在一个机器人机器上在三个惯性配置 (I_FULL,I_ZERO,I_VAR) 下在不同负荷 (30%,50%,70%的1RM) 下进行了最大力度的胸部压力.
- 记录了肌肉活动 (大胸部,前腹部,三腕),力,速度和功率.
- 统计分析使用双向重复测量ANOVA.
主要成果:
- 更高的负载增加了力,但降低了速度和功率.
- 与I_FULL.相比,I_ZERO的速度更快,但力量更小.
- 尽管速度较低,但I_VAR产生的力和功率高于I_ZERO.
- 与I_FULL.相比,I_ZERO和I_VAR在ROM结束时增加了三腕活动.
- 总体而言,I_VAR展示了优越的力量和功率输出.
结论:
- 可变惯性配置文件,特别是线性下降惯性 (I_VAR),在爆炸强度训练期间增强力和功率生产.
- 教练和治疗师应该考虑可变惯性作为设计运动员和康复炼计划的关键要素.
- 这些发现突显了先进的电机电阻技术在优化培训成果方面的潜力.
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