No significant difference were found between left and right hand weight loading for erector spinae during the trunk movements, but the values of AEMG with back weight loading were significantly higher than left and right hand weight loading;(2)The AEMG of lumbar multifidus had no significantly different under three load ways during the walking.

(1) 軀干屈曲伸展過程中视频一区在线看，腰部多裂肌與豎脊肌各自兩側(cè)的激活程度呈現(xiàn)對稱性特點(diǎn)人人摸人人操人人干人人；軀干伸展運(yùn)動對腰部豎脊肌和多裂肌的激活程度大于屈曲運(yùn)動；(2)腰部多裂肌在軀干旋轉(zhuǎn)時(shí)激活特征存在顯著的對側(cè)增強(qiáng)效應(yīng)91POPNY老熟女国产；(3)腰部前屈過程中偷拍一区1页，豎脊肌和多裂肌肌肉的高激活區(qū)域可能集中在45°—65°的角度范圍之內(nèi)。

STUDY DESIGN.: A prospective cohort study evaluating the quantitative lumbar flexion-relaxation phenomenon, measured with surface electromyographic signals from the erector spinae during trunk flexion pre- and postrehabilitation, in patients with chronic disabling occupational lumbar disorders. OBJECTIVES.

研究設(shè)計(jì)：評價(jià)慢性職業(yè)腰椎疾病患者量化腰椎屈曲松弛現(xiàn)象的前瞻性隊(duì)列研究人人看人人草人人搞人人鲁人人插，通過測定患者康復(fù)前后軀干俯屈時(shí)豎脊肌的表面肌電信號來反映QLFRPA级高清免费毛片av无码。