How to do: Ab Curls
Start lying on your back with bent legs. Straighten your arms and hold them slightly off the ground with your palms down. Exhale and crunch up. Extend your arms up and reach them toward your shins. Lower smoothly with an exhale.
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!