Table IV. —Mean±SD of anteriorposterior velocity (AP velocity) and mediolateral velocity (ML velocity), before (PRE 1 and PRE 2) and after (POST) “Global Postural Re-education” (GPR) and specific - exercises (SE) intervention groups.

		GPR		SE
		AP velocity	ML velocity	AP velocity	ML velocity
Stable surface, eyes open	PRE1	0.88±0.22	1.09±0.31	0.92±0.27	1.17±.029
	PRE2	0.89±0.30	1.09±0.29	0.93±0.27	1.16±0.31
	POST	0.90±0.29	1.09±0.21	0.93±0.26	1.18±0.31
Stable surface, eyes closed	PRE1	1.30±0.52	1.57±0.61	1.35±0.43	1.63±0.50
	PRE2	1.32±0.55	1.60±0.64	1.40±0.42	1.71±0.63
	POST	1.21±0.28	1.48±0.37	1.31±0.37	1.64±0.45
Unstable surface, eyes open	PRE1	1.76±0.55	1.97±0.49	1.88±0.60	2.02±0.45
	PRE2	1.72±0.45	1.91±0.37	1.91±0.53	2.15±0.49
	POST	1.70±0.43	1.90±0.36	1.82±0.45	1.99±0.45
Unstable surface, eyes closed	PRE1	4.40±1.41	4.28±1.19	4.42±1.35	4.60±1.34
	PRE2	4.14±1.45	4.22±1.35	4.25±1.02	4.55±1.17
	POST	4.03±4.28	6.45±2.29	4.28±0.99	6.67±1.52