Table 3: The kinematic variables included in the final stepwise linear regression for predicting reach distance in the anterior (ANT), posterior-medial (PM), and posterior-lateral (PL) directions. R² and p values are for overall model.

Direction	R2	p value	Variables included in model	β	95% CI β
ANT	0.288	0.002	Knee flexion	-0.002	-0.003 – -0.001
	0.458	< 0.001	Knee flexion	-0.002	-0.002 – -0.002
			Torso contralateral rotation	-0.003	-0.005 – -0.001
PM	0.526	< 0.001	Hip flexion	0.006	0.004 – 0.008
	0.693	< 0.001	Hip flexion	0.007	0.005 – 0.008
			Ankle dorsiflexion	-0.007	-0.011 – -0.004
	0.769	< 0.001	Hip flexion	0.007	0.005 – 0.008
			Ankle dorsiflexion	-0.007	-0.011 – -0.004
			Ankle external rotation	0.005	0.002 – 0.009
PL	0.563	< 0.001	Hip flexion	0.006	0.004 – 0.009
	0.696	< 0.001	Hip flexion	0.006	0.005 – 0.008
			Pelvic contralateral rotation	0.004	0.002 – 0.006