Table 3. Comparison within the group of electromyographic activity of each the muscle

Muscle	Group	Pre intervention	Post intervention	t	p
Internal oblique (%MVIC)	Healthy men (n=11)	16.36±3.25	16.86±2.46	–1.026	0.329
	Men with WAM (n=11)	13.71±3.45	14.73±3.07	–4.193	0.002*
Gluteus medius (%MVIC)	Healthy men (n=11)	24.86±10.24	24.77±8.75	0.129	0.900
	Men with WAM (n=11)	20.84±6.28	23.53±7.00	–3.439	0.006*
Gluteus maximus (%MVIC)	Healthy men (n=11)	30.19±7.84	31.52±6.51	–1.669	0.126
	Men with WAM (n=11)	27.08±7.71	30.19±8.40	–3.253	0.009*
Tensor fascia lata (%MVIC)	Healthy men (n=11)	14.26±3.31	13.79±2.69	1.597	0.141
	Men with WAM (n=11)	19.03±5.06	17.31±4.35	4.039	0.002*

MVIC, maximal voluntary isometric contraction; WAM, weak abdominal muscles.
p<0.05.