P90X - Chest and Back
Plot: Superset two of the body's largest muscle groups for a lactic acid bath like no other! You'll be fully pumped five minutes into the program, and your muscles will beg for mercy the rest of the way. Your body will learn how to keep it together under duress as you struggle to meet your target number of reps during round two
Release Date:
Saturday, April 10 2004
20 years ago
20 years ago