Fig. 7

EMG RMSA (dark blue and light blue bars) and Peaks (green and yellow bars) of the right vastus medialis (a), rectus femoris (b), and gastrocnemius muscles (c) for all 15 participants in lifting and carrying task. Figure compares mean values attained in assisted mode (light blue and yellow bars) and unassisted mode (dark blue and green bars) of testing. Mean EMG RMSA and Peaks of all participants (Pavg) are shown on the right-hand side of each figure. Error bars indicate standard error of the mean.