Figure 7.

Meta-analysis of studies investigating the relative contributions of lumbar versus hip ROM through the range of trunk flexion. Means (and SDs) are ratios of lumbar to hip movement. Zero represents equal lumbar to hip contribution to trunk flexion, numbers <0 indicate less lumbar compared with hip movement while numbers >0 indicate more hip than lumbar movement.

Laird et al. BMC Musculoskeletal Disorders 2014 15:229   doi:10.1186/1471-2474-15-229
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