We'd venture to guess the following five moves are featured regularly in your workouts—and for good reason, they're all great for building muscle. The problem lies in their routine nature, though. Maybe your form has turned to crap because you've done certain exercises a million times (and, you think, the more basic moves don't require the same brain power as something as complicated as a Turkish getup). Or, maybe you never really mastered some basic exercises from the getgo—because you banked on the fact they're fairly straightforward.

So, we're calling out lifters of all experience levels. Read through the 5 most commonly misperformed exercises, where guys go wrong, and how to do them right.