The same mega pump that was P90X Chest and Back now gets an added benefit, an array of unstable platforms designed to make your body earn its muscle. As you improve at this workout, your strength ...
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 ...