The lazy girl workout, timed for a 30 min tv show with commercials. This is ridiculous and possibly perfect.

Flatter Abs in 5 Minutes! Start in reverse plank: wrists under shoulders, fingers forward, legs extended (as shown). Drop hips and swing them back between arms, sliding heels and keeping legs straight. Return to start for 1 rep. Repeat. Works abs, shoulders, triceps #SelfMagazine