[Full disclosure: Even though I’ve been doing P90X since January, today was the first day I’ve done the Plyometrics dvd.  I’ve been substituting running-on-the-treadmill for Plyometrics.  But the new, renewed P90X me is in it to win it!  Thus the Plyometrics maiden voyage today.] First off, it’s important to note that Tony Horton defines Plyometrics as “Jump … Continue reading Plyometrics