Originally Posted by Darkhorse

C'mon. That's the same thing as saying that if you do 3 sets of incline presses on each 'setting' of the bench works different sections of a whole muscle.

If you LOOK at an anatomy book, you could also say a pec has an inner and outer lol..





If you read an anatomy chart and make assumptions, then one good assumption is that BICEPS have a "lower" portion.. You know, that cool lookin' 'bump' coming up from your forearm... LOL!