Quote Originally Posted by Robbo View Post
So, i'm liking what this thread is you guys rule !

I also come bearing a question, I tried to preacher curl 12KG and my puny arm muscles bitched out so I had to drop to 10 however I can use the 12 for regular curls and Hammer curls, why is this?
Preacher curls force you to use proper form. Whereas Hammer Curls while you are still getting a good workout you cna cheat with your form a little bit. Plus preacher curls isolate your muscles more than hammer curls putting a harder strain on them. Personally preacher curls are my favorite bicep workout and I swear by them.