P90X® is a complete 90-day home fitness system designed to get you in the best shape of your life. 01 CHEST & BACK - Targeted strength and definition workout 02 PLYOMETRICS - Explosive jumping cardio ...

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.