One hundred fifty subjects with chronic non-specific LBP and a matched cohort of 75 control subjects were recruited.


Gluteus medius is weaker in people with LBP compared to controls or the unaffected side (Friedman’s test, p < 0.001). The Trendelenburg sign is more prevalent in subjects with LBP than controls (Cochran’s Q, p < 0.001). There is more palpation tenderness over the gluteals, greater trochanter, and paraspinals in people with low back pain compared to controls (Cochran’s Q, p < 0.001). Hierarchical linear regression, with BMI as a covariate, demonstrated that gluteus medius weakness, low back regional tenderness, and male sex were predictive of LBP in this sample.

Références bibliographiques :

Cooper NA et al. Prevalence of gluteus medius weakness in people with chronic low back pain compared to healthy controls. Eur Spine J. 2015 May 26. Article sous presse.

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