How to do: Ball Plank with Leg Lifts

Set up in a plank position with your feet together and ankles on a stability ball. Lift one leg off the ball while squeezing your glutes. Return the leg and repeat with the other leg. Alternate sides.

Join the millions of exercisers who use Workout Trainer to get fit, fast! Go PRO+ today to unlock the best mobile workout experience, plus all custom training programs!