慢性下腰痛患者腰部肌肉放电的均衡性

被引:26
作者
杨继强 [1 ]
侯乂伟 [1 ]
张日辉 [2 ]
机构
[1] 沈阳体育学院研究生部
[2] 沈阳体育学院运动人体科学系
关键词
慢性下腰痛; 最大随意收缩; 中位频率; 肌肉失衡;
D O I
暂无
中图分类号
R68 [骨科学(运动系疾病、矫形外科学)];
学科分类号
100220 [骨科学];
摘要
目的:观察慢性下腰痛患者腰部肌肉放电的均衡性。方法:实验于2007-05在沈阳体育学院重点实验室完成。以14名健康受试者和14名慢性下腰痛患者为观察对象,让其在静力性收缩的条件下观察腰部肌肉放电的情况。使用表面肌电技术测量受试者腰部3个节段(L1,L2,L5)两侧最长肌、髂腰肋肌、多裂肌的放电情况,令受试者躯干分别在40%最大随意收缩和80%最大随意收缩的情况做等长收缩30s,观察受试者腰部脊柱两侧肌肉的疲劳时的失衡情况。结果:慢性下腰痛患者腰部肌肉的最大随意收缩仅仅是对照组最大随意收缩的55%,与对照组相比慢性下腰痛患者腰部肌肉疲劳程度较低,可能与他们并没有产生真正的最大随意收缩有关;慢性下腰痛患者腰部两侧肌肉失衡程度较大。结论:下腰痛患者出现疼痛时,其腰部两侧的肌肉活动重新分布;同时表面肌电可能成为一种无创伤地检测肌肉失衡的有效工具。
引用
收藏
页码:2969 / 2973
页数:5
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