Table 2. Comparisons of changes between groups on CVA and CRA.

Item	Group	Pre-test	Post-test
		(M ± SD)	(M ± SD)
CVA (◦)	Experimental group I	49.5 ± 3.8	53.9 ± 3.4***	*
	Experimental group II	50.9 ± 3.7	52.9 ± 4.1*
CRA (◦)	Experimental group I	147.5 ± 3.7	144.4 ± 4.9**
	Experimental group II	147.4 ± 4.6	144.2 ± 4.4***

*p<0.05, **p<0.01, ***p<0.001.

Data are presented as mean ± SD, paired t-test, analysis of covariance.

CVA: Cranio Vertebal Angle; CRA: Cranial Rotation Angle.