Table 2. Comparison of trunk muscle activation between the two groups.

		Experimental groupa	Control groupb
IO (%)	pre	32.1 ± 12.0c	35.0 ± 9.3
	post	61.0 ± 6.0*†	50.28 ± 7.5*
EO (%)	pre	41.3 ± 12.3	39.2 ± 5.2
	post	65.6 ± 7.0*†	53.94 ± 8.7*
RA (%)	pre	29.1 ± 6.1	33.8 ± 7.4
	post	66.4 ± 10.0*†	52.6 ± 6.2*
MF (%)	pre	40.3 ± 9.5	41.6 ± 7.4
	post	69.0 ± 12.1*†	54.9 ± 9.1*

^amotor imagery training, ^btrunk control training, ^cmean ± standard deviation. *significant difference within group (p<0.05)

^†significant difference between group (p<0.05). IO: internal oblique; EO: external oblique; RA: rectus abdominis; MF: multifidus