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. Author manuscript; available in PMC: 2020 May 1.
Published in final edited form as: Osteoarthritis Cartilage. 2019 Jan 18;27(5):771–780. doi: 10.1016/j.joca.2018.12.026

Figure 1.

Figure 1.

Interaction effects between response groups (strength responders and strength non-responders) and time (baseline and 4-weeks). The y-axis represents the differences between groups in the changes made from baseline to 4-weeks. The shaded gray area encompasses the upper and lower 95% confidence intervals. There was a significant interaction in knee flexion angle in mid-stance. Vertical ground reaction force approached a significant interaction, but there was no interaction for internal knee extension moment.