Table 4 Mean (±SD) of the peak inclination angles in the A, P, and M directions during the walking stride. Exercise group Comparison group No stimulation Stimulation No stimulation Stimulation A angle 13.43 (5.03) 11.98 (1.87) 15.40 (5.65) 12.71 (.27) P angle 7.66 (1.28) 6.00 (3.56) 8.10 (1.25) 7.71 (.48) M angle 9.86 (0.95) * 7.45 (1.95) 8.52 (3.35) * 6.86 (.54) * denotes p < 0.05 compared to the sound stimulation effect in the same group.