If you're like most guys in the gym, when you’re doing a big lift—whether it’s a max bench, a PR squat, or the last rep of a strip set of curls—you’re focused on one thing: Getting that weight up. The ...

Banging out reps is pretty straightforward, generally speaking. Lift the weight, lower the weight, repeat. But if you break down the anatomy of a repetition, there’s more going on than meets the eye.