太极拳运动中下肢肌肉收缩特征研究

被引:66
作者
于宁 [1 ]
毛德伟 [2 ]
洪友廉 [3 ]
机构
[1] 山东建筑大学
[2] 山东省体育科研中心
[3] 香港中文大学
关键词
太极拳; 肌电; 肌肉力量;
D O I
10.14104/j.cnki.1006-2076.2008.01.026
中图分类号
G804.2 [运动生理学];
学科分类号
040211 [体育与运动心理学];
摘要
采集了16名经验丰富的太极拳练习者上步、退步、侧步、蹬腿和中定5种典型的太极步中下肢股直肌、半腱半膜肌、腓肠肌和胫骨前肌的肌电信号(EMG)。分析了肌肉的收缩幅度(Amplitude)、收缩强度(Integrated EMG)和收缩持续时间(Onset duration)。结果表明,不同太极动作肌肉振幅各不相同,肌肉收缩强度和持续时间也明显不同。统计学分析显示,5种典型动作肌肉收缩强度差异为:股直肌(F=229.9,P=0.00),半腱半膜肌(F=190.8,P=0.00),腓肠肌(F=263.5,P=0.00),胫骨前肌(F=235.6,P=0.00)。肌肉收缩持续时间差异为:股直肌(F=519.3,P=0.00),半腱半膜肌(F=585.5,P=0.00),腓肠肌(F=844.5,P=0.00),胫骨前肌(F=868.1,P=0.00)。研究认为,太极拳练习中下肢肌肉的离心、向心和等长收缩方式,结合不同的肌肉收缩负荷和肌肉收缩持续时间有助于提高肌肉的协调性、肌肉力量和肌肉控制能力。
引用
收藏
页码:40 / 44
页数:5
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