Easy abs. A no fuss workout to do before bed so you can rest right after. Change it to suit you. Not intense. As long as you do this most nights you should be well on your way to a flat stomach!
Jillian Michaels: This 7-Move Circuit Will Change Your Body
It's not much of a stretch to say that nobody knows how to build power, speed, strength, and flexibility better than Jillian Michaels. This comprehensive workout, which she created for Health, trains the muscles in a way that will bust through even the most persistent plateau. | Health.com