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Figure 2 | BMC Musculoskeletal Disorders

Figure 2

From: Knee extension range of motion and self-report physical function in total knee arthroplasty: mediating effects of knee extensor strength

Figure 2

Scattergram of changes in knee extensor strength versus changes in knee extension ROM in 441 patients. The straight line represents ordinary least product regression line with its 95% confidence limits (curved lines): (changes in knee extensor strength) = 3.0 ( 2.5 to 3.4 ) + 1.18(1.10 to 1.29) X (changes in knee extension ROM). Observed change scores of the knee ROM and strength measures are indicated by the short vertical lines above the x- and y-axes, respectively.

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