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廖志平,李建华,魏 爽.脑卒中患者桥式运动下竖脊肌与多裂肌表面肌电图信号特征研究[J].中国康复医学杂志,2016,(2):189~193
脑卒中患者桥式运动下竖脊肌与多裂肌表面肌电图信号特征研究    点此下载全文
廖志平  李建华  魏 爽
浙江中医药大学,杭州,310053
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摘要:
      摘要 目的:观察脑卒中患者桥式运动下竖脊肌与多裂肌表面肌电(sEMG)信号变化特征,为桥式运动的临床应用提供电生理理论基础。 方法:选取20例健康同龄成年人(正常组)与20例脑卒中偏瘫患者(患者组),对两组受试者行桥式运动时的竖脊肌与多裂肌sEMG信号参数进行比较分析。 结果:①正常组双侧竖脊肌、多裂肌配对比较,时域指标平均肌电值(AEMG)、频域指标中位频率值(MF)均无显著性差异(P>0.05);患者组竖脊肌患侧AEMG值大于健侧、患侧MF值均小于健侧,差异有显著性意义(P<0.05);患者组双侧多裂肌AEMG值、MF值组内配对比较,差异无显著性意义。②两组受试者同侧竖脊肌与多裂肌AEMG值的比值差异无显著性意义(P>0.05)。 结论:桥式运动可作为脑卒中患者躯干肌训练的一种方法,但须注意训练时双侧竖脊肌的均衡性。
关键词:脑卒中  桥式运动  表面肌电图
A study on the characteristics of surface electromyography of erector spine muscle and multifidus muscle during bridge movement in stroke patients    Download Fulltext
Zhejiang University of Traditional Chinese Medicine, Hangzhou, 310053
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Abstract:
      Abstract Objective: To analyze the surface electromyography (sEMG) characteristics of erector spine muscle and multifidus muscle during bridge movement of stroke patients, and provide electro-physiological basis for bridge movement in clinical practice. Method: Twenty age-matched healthy adults (normal group) and twenty convalescent stroke patients with hemiplegia (patient group) were studied. sEMG signal were collected from bilateral erector spine muscle and multifidus muscle. The sEMG characteristics of the two groups were tested and analyzed during bridge movement. Result: ① During bridge movement, the average EMG (AEMG) values, median frequency (MF) values of bilateral erector spine muscle and multifidus muscle in normal group had no statistical difference (P>0.05). In patient group, AEMG values of erector spine muscles on the affected side were significantly higher than that on unaffected side, while MF values of erector spine muscles on the affected side were significantly lower than that on unaffected side (P<0.05). AEMG values and MF values of multifidus muscles on both sides had no significantly difference (P>0.05). ② The AEMG ratio of erector spine muscle and multifidus muscle on the same side in both groups had no statistical difference (P>0.05). Conclusion: Bridge movement can be used as a method of trunk muscle training in patients with stroke, but the balance of erector spine muscles, on both sides should be paid more attention.
Keywords:stroke  bridge movement  surface electromyography
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