Russian Martial Arts Training DVD - Internal Wave Energy. Reality Self Defense DVD by Russian Systema Spetsnaz Hand to Hand Combat Martial Arts Instructional DVD is to learn and develop powerful penetrating strikes using a limited amount of physical strength Learn how to use Figure 8 and Wave Motion to generate shocking internal penetrating strikes Strengthen your muscles, ligaments and joints as well as develop natural body flexibility Develop Powerful Strikes, Punches and Kicks to control and overcome an attacker in any extreme situations One of the Best Russian Martial Arts DVDs by Systema Spetsnaz of close Hand-to-Hand Combat - Reality based Self-Defense Training