2010
P90X Workout
P90X's emphasizes "muscle confusion", a method of cross-training and periodization achieved through switching the order of exercises and incorporating new and varied movements. According to Tony Horton, muscle confusion prevents the body from adapting to exercises over time, resulting in continual improvement without plateaus. P90X Plyometrics!
2008
My P90X Review
Gives a review of P90X and a breakdown of each workout. They also have a daily workout log on how each P90X workout went that day.
1
(2 marks)