Move slowly and deliberately to maximize the engagement of your oblique muscles. Vertical leg crunches in the pool provide a unique way to target the upper abs while also engaging the entire core.

Just five more seconds, guys. One more. All right, now we're going to go on to the vertical leg crunch. Same position, but with your legs in the air. Just crunch up nice and slow. Remember ...

Vertical leg crunches, oblique crunches, scissor kicks and Russian twists are some of the most googled fitness moves, and they all happen to be core-targeting pilates exercises. You’re now ...