What makes the flat / decline dumbbell press the best choice to build chest mass as effectively as possible? (seannal.com)
All in all, his chest training program was focused on developing and maintaining the amount of chest mass and definition needed to compliment his body composition, instead of building an enormous chest that would stick out on his well - balanced athletic physique. (fitnessandpower.com)
First thing to notice is that the upper pec is really small compared to the lower pec and the thing this immediately tells you is that for chest mass, you want to work the lower pecs. (scoobysworkshop.com)