This movement is excellent for working the strong mid-range of the bicep. It also removes much of the shoulder action from the lift. This exercise should not be the soul movement done for bicep work as it will shorten the muscle. You should also be careful not to fully extend you arms when using extremely heavy weights. This can cause you to hyper-extend your elbows. How … [Read more...] about Biceps E-Z Preacher Curls