wow i can't believe i never thought of such a simple solution.
thanks swanso5!

also do you have any tips or techniques for bench pressing, i try to put as much force in left arm as right arm, but still im getting uneven results.

Hi, Im also 16 and have a similar problem too, except right bicep is formed properly while the other one is like a tennis ball! :( friends think its soo weird, as do i! then again i have a funny muscle skeleton... the muscle on left calf is cut into 2 and the other one is fine! Also left deltoid is ...