Nov 13, 2010 #1 R rocket Member Joined Jun 1, 2008 Messages 32 Reaction score 0 Points 6 What happens to the muscles that make them so defines and strong? When we work out the abs, why do they make that 6 pack shape?
What happens to the muscles that make them so defines and strong? When we work out the abs, why do they make that 6 pack shape?