P90X Doubles – How To Succeed

P90X DoublesSome people are just crazy. Or suicidal. Or want to lose weight with extreme prejudice. Some people simply love an extreme challenge, or feel that if they’re not pushing the very bleeding limit of any program, they’re not giving it their all. For all of those, the extreme, the crazy, the fanatical and the determined, P90X Doubles is the way to go. What is it exactly? It’s a way of doubling the intensity and workload of the regular P90X workout.