Table 1 The differences in pressure variables according to aeroball usage
From: The effects of the aeroball on plantar pressure during isometric hip contractions
dependent variable | N | Mean(±SD) | mean diff. | t | P |
wob_Length_of_x_axis | 39 | 8.79(±2.28) | -1.49 | -3.680 | .001** |
aeroball_Length_of_x_axis |  | 10.27(±2.62) |  |  |  |
wobl_Length_of_y_axis | 39 | 15.15(±6.90) | -2.46 | -2.130 | .040* |
aeroball_Length_of_y_axis |  | 17.61(±6.06) |  |  |  |
wob_Path area | 39 | 111.77(±73.44) | -36.32 | -2.619 | .013* |
aeroball_Path area |  | 148.09(±77.24) |  |  |  |
wob_Path_length | 39 | 297.01(±108.37) | -83.05 | -3.804 | .001** |
aeroball_Path_length |  | 380.07(±150.65) |  |  |  |
wob_Average_Velocity | 39 | 10.09(±3.67) | -2.82 | -3.803 | .001** |
aeroball_Average_Velocity |  | 12.91(±5.12) |  |  |  |