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The net joint moments for each unlocked degree of freedom in the model: (A) pelvic tilt moment, (B) hip flexion, hip adduction, knee extension, and ankle flexion moments. The effect of changing the location of the fixed center of pressure (CoP) of the ground reaction forces (±2 mm along the cranial-caudal axis of the foot) on these joint moments is shown in (C). The gray area indicates the stance phase.
