Bodybuilding legend and former four-time Mr. Olympia winner Jay Cutler shared how to build thicker arms with rope hammer ...

But, aside from the aesthetics, strong biceps ... hammer curl is really going to target that brachialis muscle I’ve mentioned which, in layman’s terms, is that bulge you see on the side ...

it’s the bicep curl and, rightly so. Not only is it incredibly effective, hitting the biceps brachii muscles (the long and short head of the biceps), to improve their roundness and strength ...