Known as your pushing muscles, the chest, shoulders, and triceps will learn to function better than ever before with this workout. We accomplish this with creative uses of instability, and always ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results