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Fig. 6. A graph showing the net angle change during stance at each joint as a function of acceleration. Positive values represent net joint extension while negative values represent net joint flexion. The results of linear regressions showed significant correlations at all joints (hip: r2=0.50, P<0.0001; knee: r2=0.47, P<0.0001; ankle: r2=0.51, P<0.0001; MP: r2=0.19, P=0.017).