The workouts above are the most rigorous and the most important workout routines out of the entire P90x exercise program. If you did just those you'd see results. However the p90x workout schedule is much more fuller than that.
One of the first p90x exercises you will do, if you're following the schedule accordingly, is the P90x chest and back workout. The chest and back workout is one of the best examples of why the p90x workout routine actually works.
The p90x exercise program is one of the hardest fitness regiments in the world today. It's a workout that requires you to push yourself to the limit, consisitently, in order for you to get the results you desire. The best part about the p90x workouts? If you put in the time, work hard, you will get results. It's a simple equation, one that doesn't need some post-grad math students to solve.
The P90X Exercise Program by Beachbody and Tony Horton includes 12 fat melting, muscle pumping workouts that are designed to transform your body from regular to ripped in just 90 days.