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, trains the muscles in a way that will bust through even the most persistent plateau.
8 Exercises for a Stronger Back-The Almond Eater 8 Exercises for a Stronger Back-Working your core is useless if you aren't also working your back muscles. These 8 exercises will help you increase your back strength!
29 Minute Metabolism-Boosting Leg Circuit Sculpt strong, toned legs and thighs with these 10 exercises that work all muscles in your lower body. This 29 minute leg circuit will help you build calorie-torching lean muscle and maximize your metabolism!