Table 2.

Differences between groups in the pre- post- test change for sagittal spine curvature and hamstring extensibility.

Test	Group	Difference post-pre (Mean ± SD)	Diff. Post-pre EG - Diff. Post-pre GC	CI 95% (Diff. Post-pre EG - Diff. Post-pre GC)	F/Z	p-value	ES
Toe-touch test	EG	2.04 ± 5.49	1.67	0.122; 3.23	4.551	0.034	0.020
	CG	0.36 ± 6.56
Passive straight leg raise
Right	EG	13.95 ± 12.53	10.41	7.41;13.41	39.469	0.000	0.148
	CG	3.53 ± 10.63
Left	EG	12.99 ± 13.25	11.26	8.25;14.27	51.591	0.000	0.185
	CG	1.73 ± 9.90
Active straight leg raise
Right	EG	6.98 ± 12.81	6.10	3.10; 9.10	15.458	0.000	0.064
	CG	0.88 ± 10.31
Left	EG	6.85 ± 13.91	9.15	6.04;12.25	33.26	0.000	0.128
	CG	−2.31 ± 9.85
Relaxed standing position
Thoracic curve	EG	0.53 ± 10.80	−5.45	−8.30;−2.60	13.906	0.000	0.058
	CG	5.98 ± 11.40
Lumbar curve	EG	3.63 ± 6.86	2.32	0.28;4.35	3.707	0.055	0.016
	CG	1.31 ± 8.88
Pelvic tilt	EG	−2.25 ± 7.14	−2.12	−4.33;0.08	2.297	0.131	0.010
	CG	−0.12 ± 9.87
Active alignment in standing position
Thoracic curve	EG	2.52 ± 13.36	−4.13	−7.62;−0.64	5.111	0.025	0.022
	CG	6.65 ± 13.78
Lumbar curve	EG	0.95 ± 10.61	0.44	−2.47;3.37	0.564	0.573	0.04
	CG	0.50 ± 12.08
Pelvic tilt	EG	−2.26 ± 9.73	−1.81	−4.38;0.75	1.225	0.270	0.005
	CG	−0.44 ± 10.23
Toe-touch test position
Thoracic curve	EG	2.38 ± 13.43	−1.72	−4.84;1.38	1.433	0.233	0.006
	CG	4.11 ± 10.66
Lumbar curve	EG	1.55 ± 9.04	2.07	−0.11;4.25	3.199	0.075	0.014
	CG	−0.52 ± 7.92
Pelvic tilt	EG	0.81 ± 12.86	−1.14	−4.12;1.83	0.555	0.457	0.002
	CG	1.96 ± 10.16

EG: Experimental Group; CG: Control group; M: Mean; SD: Standard Deviation; ES: Effect Size.