Table 2a.

RMS values (mV) in flat, inclined and declined bench positions.

All values are presented as mean ± standard deviation.

Muscles	Wide	Medium	Narrow
PM sternocostal part	0.408 ± 0.327	0.390 ± 0.293	0.313 ± 0.124
PM clavicular part	0.505 ± 0.317	0.501 ± 0.284	0.457 ± 0.244
Triceps brachii	0.679 ± 0.290	0.616 ± 0.228	0.652 ± 0.261
Anterior deltoid	0.835 ± 0.341	0.775 ± 0.276	0.739 ± 0.387
Posterior deltoid	0.192 ± 0.052	0.190 ± 0.064	0.208 ± 0.094
Biceps brachii	0.227 ± 0.167	0.219 ± 0.198	0.174 ± 0.152 *
Latissimus dorsi	0.111 ± 0.058	0.111 ± 0.058	0.132 ± 0.130

^*significantly different from all other bench positions (p < 0.05).