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Fig. 4. The mean moment produced at each joint during stance showed a small but significant increase with acceleration at all joints except the ankle. Linear regressions (N=49) are: hip, y=0.16x+2.55, r2=0.20, P<0.01; knee, y=–0.09x+0.24, r2=0.14, P<0.01; TMP, y=0.06x+1.14; r2=0.05, P<0.05.