Blending traditional martial arts karate movements and modern exercise science these Cardio Karate DVDs will transform your body in a fun and safe way. JB Berns has gathered five of the country's top trainers (Keli Roberts, Gregg Cook, Amy Bento Ross, Gay Gasper, Greg Simms, and Steve Feinberg) to design intense workouts that will work your entire body top to bottom, inside and out.
