Fail

[andys_trim]

P90X Workout Program: Really the Best for Boosting Muscles, Burning Fat?

[BendtheBar]

Whether you employ muscle confusion in your program or not, it's important to keep pushing yourself, Meine says. "Challenging your body in new ways, involving more muscles in your workout, and giving a little more each time--that's how you maximize number of calories burned," he adds. Bottom line: "Your workouts should stay hard. Don't look forward to it getting easier!"

Add more weight. Muscle is confused.

P90X probably does work. Almost all lifting/resistance programs work for a few months. After that, people need to reassess their goals and educate themselves.

The reason P90X is so successful is because 98% of people out their just want a beach body, and this program focuses on that need. If they put a bodybuilder on the cover many wouldn't buy it.

Just shows you how popular real natural muscle building is...