安全坐杆和传统的杆背坐之间的生物力学比较
David G Johansson1, Paulo H Marchetti, Shane D Stecyk
1Department of Kinesiology, California State University, Northridge, Northridge, California.
Journal of strength and conditioning research
|April 10, 2024
概括
传统的杆背使得部延伸更大,与安全杆相比,承受更高的负载. 安全坐棒可能更适合直立姿势或较低的负载,具有类似的膝关节要求.
科学领域:
- 生物力学 生物力学
- 强度和适应条件 强度和适应条件
背景情况:
- 背是培养下半身力量的基本炼.
- 安全杆 (SSB) 为传统的杆 (TB) 背提供了一个替代方案,可能会改变生物力学.
- 了解这两种工具之间的动力学和动力学差异对于优化训练和预防伤害至关重要.
研究的目的:
- 为了比较用传统的杆 (TB) 和安全杆 (SSB) 进行的平行背之间的动力学和动力学差异.
- 为了确定哪个杆引发更大的联合扭矩,机械能耗,并允许更高的绝对负载.
主要方法:
- 15名经过娱乐训练的男性以1次重复最大的85%的速度进行了背,同时使用了TB和SSB.
- 生物力学分析使用逆动力学来测量关节动力学和动力学.
- 使用具有重复测量的2x3因子ANOVA进行统计分析.
主要成果:
- 结核病导致部曲,部延伸器峰值扭矩和部延伸器机械能耗显著增加.
- 与SSB相比,受试者在TB上举起的重量明显超过了SSB.
- SSB产生了显著更大的最大膝盖曲角度,膝盖没有显著的动力差异.
结论:
- 传统的杆背可能是开发部伸展器和举起最大负载的优越.
- 安全坐棒可能对那些更喜欢垂直的坐姿势或使用较低的负载的人来说是有益的,同时仍然挑战膝关节.
- 在TB和SSB之间做出选择取决于具体的培训目标和生物力学偏好.
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