PUBLIC MARKS from norequest with tag "P90X Workout"

You have probably seen the infomercials about P90X® at one point or another. Perhaps you have wondered whether this is program is a scam, whether it would work or not or if it's only geared toward the testosterone-get-ripped crowd.

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!