If you’re looking to blow up your biceps, you’re likely a fan of the preacher curl. (Okay, or maybe you hate doing them. But either way, they’re on your radar.) Lots of gyms have specialized preacher ...

If the Terminator movies taught us anything, it's that machines can't be trusted—and that's especially true when discussing certain exercise machines in the gym, including the preacher curl machine.

Preacher curls help you to really isolate your biceps to build serious muscle, but if you’re not using the proper form, you’re sabotaging your efforts to get swole. When you’re pumping iron, the ...