BodyBlade Exercise Blade BLK Classic w Wall Chart& DVD Pulse Monitor Presets "4" You 16 7136 Presets "4" You Solid PVC front wheels CLASSIC WITH WALL CHART & DVD * BLACK * 48 long 1 5 LBS * The Bodyblade system of training provides a functional tri plane core based training environment ideal for rehabilitation sports performance training personal training and group exercise * Each Bodyblade is designed to improve strength balance coordination proprioception posture and core stabilization using low level vibration and inertia not gravity * Bodyblade automatically delivers progressive resistance targeting the small deep stabilizing muscles as well as the larger prime movers in an exquisitely balanced approach to training the body from the center out *