With just two weeks of workouts left in my P90X program, anxiety is setting in: what will I do once it’s all over? How will I maintain the INSANE (or, at least, mildly substantial) muscles I’ve gained ...

If you’ve turned on a TV between 11 p.m. and 7 a.m. anytime in the past eight years, you have probably heard of the P90X workout. Even now, the infomercials saturate the cable networks, turning P90X ...