• Fabio Luciano Arcanjo de Jesus, Thiago Yukio Fukuda, Camila Souza, Janice Guimarães, Leticia Aquino, Gabriel Carvalho, Christopher Powers, and Mansueto Gomes-Neto.
• Department of Physical Therapy, Universidade Federal da Bahia, Salvador, BA, Brazil.
• Clin Rehabil. 2020 Nov 1; 34 (11): 1368-1377.

ObjectiveTo examine the effectiveness of hip strengthening exercises in reducing pain and disability in persons with low back pain.MethodsWe searched for randomized controlled clinical trials on MEDLINE, the Physiotherapy Evidence Database, the Cochrane Central Register of Controlled Trials, LILACS, Scielo and CINAHL from the earliest date available to June 2020. Studies that included hip strengthening exercises for persons with low back pain and included pain and/or disability as an outcome measure were evaluated by two independent reviewers. Mean difference (MD), and 95% confidence interval (CI) were estimated by random effect models.ResultsFive studies met the eligibility criteria (309 patients). Four studies included hip strengthening in conjunction with other interventions, while one study evaluated hip strengthening as a standalone intervention. Hip strengthening exercises improved pain (MD -5.4 mm, 95% CI: -8.9 to -1.8 mm), and disability (MD -2.9; 95% CI: -5.6 to -0.1) in persons with low back pain compared to interventions in which hip strengthening was not utilized. The quality of evidence for the pain outcome, was assessed as being moderate. The quality of evidence for the outcome of self-reported disability, was assessed as being low.ConclusionAddition of specific hip strengthening exercises to conventional rehabilitation therapy may be beneficial for improving pain and disability in persons with low back pain.

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