Table 4.

Multiple linear regression analysis for horizontal ground reaction force (in BW) averaged over the first 10 steps (initial acceleration phase, dependent variable in both models), n = 14.

Model 1	r2	SEE (BW)	P
	0.448	0.036	0.038
Independent variables	Coefficient	t	Partial P
EMG activity of the BF during the end-of-swing phase	0.000842	2.759	0.014
Knee flexors peak torque in concentric mode	0.077	2.305	0.042
Constant	0.217	2.904	0.019
Model 2	r2	SEE (BW)	P
	0.439	0.036	0.041
Independent variables	Coefficient	t	Partial P
EMG activity of the Glut during the end-of-swing phase	0.000639	2.638	0.037
Hip extensors peak torque in concentric mode	0.0458	1.908	0.083
Constant	0.244	3.525	0.005

SEE: Standard error of estimate.