Star Trac V-Pulse 3210 Vibration Training Platform Vibration training platform that boosts conditioning without stressing joints Builds muscle mass and bone density, improves circulation, and loosens tightness Uses 4 variables: vibration level, amplitude, magnitude, and duration 5 preset programs and 20 vibration levels; 24-by-18-inch vibration platform Measures 31 x 53 x 34 inches (W x H x D) and weighs 142 pounds; 2-year frame warranty