BodyBlade Exercise Blade BLK Classic w Wall Chart& DVD Trapeze Unit The 13 inch headrest and padded Two 1 inch urethane The 13 inch headrest and padded full length arms are removable The industry standard in skinfold calipers * Features spring loaded arms and floating tips * Includes instruction booklet and handy carry case * 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 *