Table 5.

Pairwise Pearson correlations among ranges of motion and muscle strengths

Variables	Hip flexion ROM		Hip extension ROM		Knee flexion ROM		Hip internal rotation ROM		Hip external rotation ROM		Ankle dorsiflexion ROM		Ankle plantar flexion ROM		Knee extension strength		Knee flexion strength
	r	p value	r	p value	r	p value	r	p value	r	p value	r	p value	r	p value	r	p value	r	p value
Hip flexion ROM			0.36b	<0.001	0.45b	<0.001	0.34b	<0.001	0.20	0.054	0.34b	<0.001	0.36b	<0.001	0.30b	0.003	0.28b	0.007
Hip extension ROM					0.42b	<0.001	0.37b	<0.001	0.35b	<0.001	0.31b	0.002	0.30b	0.003	0.30b	0.003	0.42b	<0.001
Knee flexion ROM							0.34b	<0.001	0.20a	0.049	0.39b	<0.001	0.22a	0.033	0.20	0.050	0.16	0.113
Hip internal rotation ROM									0.15	0.153	0.28b	0.007	0.44b	<0.001	0.29b	0.005	0.24a	0.021
Hip external rotation ROM											0.16	0.113	0.15	0.162	0.24a	0.018	0.28b	0.006
Ankle dorsiflexion ROM													0.21a	0.040	0.22a	0.033	0.11	0.273
Ankle plantar flexion ROM															0.16	0.130	0.12	0.253
Knee extension strength																	0.70b	<0.001
Knee flexion strength

ROM range of motion

^a p < 0.05

^b p < 0.01