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神经肌肉因素预测男性大学短跑运动员下肢爆炸力

YanJin Li¹, QiaoFeng Guo¹, Jia Shao²

¹Sports Science School, Beijing Sport University, Beijing, China.

Frontiers in physiology

|January 22, 2025

概括

神经因素显著预测男性大学短跑者的冲刺表现. 30米冲刺时间的关键预测指标包括V/MmaxA和腿筋异常强度,而垂直刚度和四肢异常强度预测了力量发展的速度.

科学领域:

运动科学运动科学运动科学
神经肌肉生理学神经肌肉生理学
生物力学生物力学

背景情况:

下肢的爆炸强度对于冲刺表现至关重要.
了解神经和肌肉因素之间的相互作用对于优化冲刺速度和力量发展速度至关重要.

研究的目的:

研究神经和肌肉因素对男性大学短跑运动员爆炸力的影响.
确定力量发展速度 (RFD) 和30米冲刺时间的关键神经肌肉预测因素.

主要方法:

招募了15名大学男子短跑运动员,他们拥有10.93分以下的100米个人最佳纪录.
收集了神经肌肉数据,包括H反射,V波,异动力肌肉强度,垂直跳跃和30米冲刺测试.
利用皮尔森相关性和多重步骤回归来进行数据分析.

主要成果:

30米冲刺时间与阿基里斯肌刚度,H指数,V波 (V/MmaxA) 和腿筋异常强度 (HECC) 有显著的相关性.
力量发展速度 (RFD) 与H反射 (Hmax/Mmax) 和四头骨异常强度 (QECC) 有显著的相关性.
V/MmaxA和HECC预测了30米冲刺时间57.5%的变异;垂直刚度和QECC预测了82.7%的RFD变异.

结论:

神经因素,特别是脊柱和脊上α-摩托神经元刺激性,在短跑运动员下肢爆炸力中发挥着主导作用.
V/MmaxA和HECC是30米冲刺时间的关键预测指标,而垂直刚度和QECC预测RFD.
训练应强调神经功能增强,H反射和V波对于监测短跑者神经适应有用.

关键词:

这是一种H反射.这就是V波.神经肌肉的神经肌肉短跑者短跑者短跑者硬性硬性硬性

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