Table 1. Comparison of TrA within groups and between groups (n=35).

		Experimental group (n=18)	Control group (n=17)
TrA (cm)	pre	0.35 ± 0.09	0.36 ± 0.13
	post	0.70 ± 0.24*	0.52 ± 0.16*
	change	0.35 ± 0.21†	0.17 ± 0.14

* p<0.05, Mean ± SD. TrA: Transverse abdominis muscle