P90X, or Power 90 Extreme, is a commercial home exercise regimen created by Tony Horton. Developed as a successor to the program called "Power 90", it is ...
The P90X® workout program is a revolutionary system of 12 sweat-inducing, muscle-pumping exercises designed to transform your body from regular to ripped ...
Aug 20, 2012
I haven't yet gotten to insanity (I let my fitness base slide for a while and now I'm building it back up), but I've watched it and I've done p90x.
Feb 18, 2015
Aug 8, 2013
P90X Workout (a.k.a
Everything you need to know about a P90X (Power 90 Extreme) workout.