Not singleing you out bro because i see more people claiming this and i say its a bunch of bull !!! Theres no way you guys are going to pump a arm up a hole inch working out period...Ive mesured time and time again after event working bi and tri back to back most you might get is a half a inch if that....
This is just my opinion but a soild one....please
Hell better yet, lets run a poll on that !