Is the size and composition of the paraspinal muscles associated with low back pain? A systematic review

Background ContextAlthough previous studies have investigated the association between paraspinal muscle morphology and low back pain (LBP), the results are conflicting.PurposeThis systematic review examined the relationship between size and composition of the paraspinal muscles and LBP.Study design/ setting: Systematic reviewPatient sample: N/AOutcome measures: N/AMethodsA systematic search of electronic databases was conducted to identify studies investigating the association between the cross-sectional area and/or fatty infiltration of the paraspinal muscles (erector spinae, multifidus, psoas and quadratus lumborum) and LBP.

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