P90X or Power 90 Extreme, is a complete home exercise system. It significantly improves physical fitness in 90 days through a training program. It also provides a complete nutrition and dietary plan along with the package. This home exercise is done in order to build muscles or to reduce fat. In order to ensure that the user is able to complete the P90X workout, a fitness test has to be taken before starting the P90X program. This fitness test helps you to organize your progress. This test requires the following equipments: heart-rate monitor, body fat clipper, tape that is used to measure, scale, pull-up bar, timer, towel and water.

The P90X workout schedule, the procedure is broken up into 11 DVD sets, along with this an additional DVD for abs exercise is given in the 12th DVD. This 12th DVD which is used for abs exercise is known as Ab Ripper X.  The list below shows the contents of the 12 DVDs:

•    DVD 1 – Chest & Back
•    DVD 2 – Plyometrics
•    DVD 3 – Shoulders & Arms
•    DVD 4 – Yoga X
•    DVD 5 – Legs & Back
•    DVD 6 – Kenpo X
•    DVD 7 – X Stretch
•    DVD 8 – Core Synergistic
•    DVD 9 – Chest, Shoulders & Triceps
•    DVD 10 – Back & Biceps
•    DVD 11 – Cardio X
•    DVD 12 – Ab Ripper X

The P90X Workout Schedule also instructs the user as to how long a particular exercise has to be done. It also provides the workout plan, it is as follows:

For weeks 1, 2, 3 perform the following exercise:

•    Day 1 – Chest and Back, plus Ab Ripper X
•    Day 2 – Plyometrics
•    Day 3 – Shoulders and Arms, Ab Ripper X
•    Day 4 – Yoga X
•    Day 5 – Legs and Back, Ab Ripper X
•    Day 6 – Kenpo X
•    Day 7 – Rest or X Stretch

After completing 3 weeks of exercise, the 4th week’s plan is as follows:

•    Day 1 – Yoga X
•    Day 2 – Core Synergistic
•    Day 3 – Kenpo X
•    Day 4 – X Stretch
•    Day 5 – Core Synergistic
•    Day 6 – Yoga X
•    Day 7 – Rest or X Stretch

After completing the 4th week, the 5th, 6th and 7th week’s plan is as follows:

•    Day 1 – Chest, Shoulders and Triceps, Ab Ripper X
•    Day 2 – Plyometrics
•    Day 3 – Back and Biceps, Ab Ripper X
•    Day 4 – Yoga X
•    Day 5 – Legs and Back, Ab Ripper X
•    Day 6 – Kenpo X
•    Day 7 – Rest or X Stretch

After completing 3 weeks of exercise, the 8th week’s plan is as follows:

•    Day 1 – Yoga X
•    Day 2 – Core Synergistic
•    Day 3 – Kenpo X
•    Day 4 – X Stretch
•    Day 5 – Core Synergistic
•    Day 6 – Yoga X
•    Day 7 – Rest or X Stretch

The below plan has to be followed during the 9th and 11th week of exercise:

•    Day 1 – Chest and Back, Ab Ripper X
•    Day 2 – Plyometrics
•    Day 3 – Shoulders and Arms, Ab Ripper X
•    Day 4 – Yoga X
•    Day 5 – Legs and Back, Ab Ripper X
•    Day 6 – Kenpo X
•    Day 7 Rest or X Stretch

The below plan has to be followed for 10th and 12th week:

•    Day 1 – Chest, Shoulders and Triceps, Ab Ripper X
•    Day 2- Plyometrics
•    Day 3 – Back and Biceps, Ab Ripper X
•    Day 4 – Yoga X
•    Day 5 – Legs and Back, Ab Ripper X
•    Day 6 – Kenpo X
•    Day 7 – Rest or X Stretch

Finally the below plan has to be followed for the 13th week:

•    Day 1 – Yoga X
•    Day 2 – Core Synergistic
•    Day 3 – Kenpo X
•    Day 4 – X Stretch
•    Day 5 – Core Synergistic
•    Day 6 – Yoga X
•    Day 7 – Rest or X Stretch

Thus this program is very effective as it involves the right kind of exercise and diet is also included in it, hence making the person fit and healthy.