Learn cardio with Derek in the fourth episode of Get Ripped. He drops some mid-blowing k...
Derek stretches you out and tells you about the girl he just broke up with and her amazing flexi...
In the second episode of Get Ripped, it?s your first session with Derek. You?ll learn al...
Derek gives you a tour ?Squeeze? this rad new gym. Will you sign up? Created by Gloria Cald...