Fig. 3

Hip, knee, and ankle kinematic data by walking velocity. Data are the mean of all subjects walking in the initial harness only (solid black line), 5.535 kg mass (large dashed line), 10.07 kg mass (small dashed line), and final harness only (solid gray line) conditions at the natural (left) and slow (right) velocities. Hip flexion, knee extension, and ankle dorsiflexion are all positive