Foot Posture Index Reference Values among Young Adults in Saudi Arabia and Their Association with Anthropometric Determinants, Balance, Functional Mobility, and Hypermobility

Table 5

Correlation of FPI values with age, height, weight, BMI, hypermobility, functional mobility, and balance.

	Age		Height		Weight		BMI		Hypermobility		Functional mobility (stair ascent)		Functional mobility (stair descent)		Balance
Foot group
Normal ()
FPIR	0.120	0.03	0.281	<0.001	0.217	<0.001	0.091	0.09	0.204	<0.001	-0.100	0.07	-0.078	0.16	0.020	0.71
FPIL	0.083	0.13	0.379	<0.001	0.272	<0.001	0.104	0.06	0.213	<0.001	-0.077	0.16	-0.060	0.28	0.113	0.04
Total FPI	0.099	0.01	0.326	<0.001	0.242	<0.001	0.097	0.01	0.206	<0.001	-0.087	0.02	-0.067	0.08	0.067	0.08
Pronated ()
FPIR	-0.123	0.20	-0.363	<0.001	-0.295	0.002	-0.164	0.08	0.079	0.41	0.332	<0.001	0.199	0.03	-0.072	0.45
FPIL	0.016	0.86	-0.173	0.07	-0.221	0.02	-0.171	0.07	0.053	0.58	0.129	0.18	0.072	0.45	0.101	0.29
Total FPI	-0.052	0.44	-0.264	<0.001	-0.255	<0.001	-0.167	0.01	0.065	0.33	0.227	<0.001	0.134	0.04	0.016	0.81
Hyperpronated ()
FPIR	0.065	0.68	-0.370	0.01	-0.202	0.20	-0.019	0.90	0.096	0.55	0.044	0.78	0.499	<0.001	-0.022	0.89
FPIL	-0.045	0.77	0.150	0.34	0.246	0.12	0.194	0.22	0.312	0.18	-0.331	0.03	-0.246	0.12	-0.041	0.80
Total FPI	0.011	0.92	-0.115	0.30	0.015	0.89	0.083	0.45	0.150	0.18	-0.136	0.22	0.134	0.22	-0.031	0.78
Supinated ()
FPIR	0.179	0.16	-0.154	0.22	-0.094	0.46	-0.007	0.95	-0.139	0.27	0.004	0.97	-0.014	0.91	0.213	0.09
FPIL	-0.012	0.92	-0.573	<0.001	-0.582	<0.001	-0.402	0.01	-0.232	0.06	0.526	<0.001	0.704	<0.001	0.302	0.01
Total FPI	0.043	0.63	-0.294	<0.001	-0.281	<0.001	-0.179	0.04	-0.140	0.11	0.232	<0.001	0.306	<0.001	0.190	0.03
Hypersupinated ()
FPIR	-0.258	0.10	0.291	0.06	-0.046	0.77	0.054	0.72	0.226	0.16	0.403	0.01	0.042	0.79	0.302	0.05
FPIL	-0.138	0.39	-0.188	0.24	0.019	0.90	0.339	0.02	0.067	0.68	-0.027	0.86	0.281	0.07	0.055	0.73
Total FPI	-0.184	0.10	0.012	0.94	-0.008	0.94	-0.017	0.88	0.131	0.24	0.149	0.18	0.178	0.11	0.155	0.16
Total ()
FPIL	0.36	0.38	0.184	0.001	0.074	0.07	-0.039	0.34	0.404	<0.001	-0.555	<0.001	-0.602	<0.001	0.582	<0.001
FPIR	0.41	0.32	0.150	<0.001	0.056	0.17	-0.034	0.40	0.401	<0.001	-0.549	<0.001	-0.605	<0.001	0.568	<0.001
Overall FPI	-0.039	0.13	0.092	0.008	0.004	0.87	-0.059	0.02	0.206	<0.001	-0.827	<0.001	-0.834	<0.001	0.454	<0.001

FPIL: foot posture index left side; FPIR: foot posture index left side; significant difference: level.