P90x – This is a beyond popular exercise program. Utilizing the effective method of muscle confusion, this 90 day program builds muscle, increases strength, agility and gives you that cut/defined look that you always wanted.
I have numerous friends who have tried this program, actually completed it and got the results they were guaranteed by the commercial. The workouts combine various forms of exercise including martial arts, kick boxing and yoga. It promises that you will never have a dull moment.