This variation allows commence with a lighter weight and build up over five sets as part of your 5 rep maximum for your day. Indicates that your fifth set is your heaviest. Here is how might look: 135x5, 185x5, 225x5, 275x5, 315x5.
So now you're kneeling in front of the bench, your wrists are extended down and you will absolutely do a wrist curl. STOP! Here's the magic trick. You're going to set your feet up on that chair behind you!