Figure 1.

Changes (pre to post TKA) in knee extensor strength mediated the association between changes in knee extension ROM and changes in SF-36 physical function. For presentation clarity, covariates – namely, age, sex, body mass index, number of comorbidities, and changes in SF-36 bodily pain and mental health scores – are not displayed.

Pua et al. BMC Musculoskeletal Disorders 2013 14:33   doi:10.1186/1471-2474-14-33
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