Vibration Exercisers - The development of vibration training came from a desire to improve bone density and muscle integrity in cosmonauts. The technology was originally developed to counteract the lack of gravity in space by the Soviet Union. After decades of research, this innovative machine has received endorsement by many professional athletes and is ensured to produce effective results for your physical therapy needs. Vibration exercise machines are thought to help increase muscle strength, flexibility and range of motion. They can also help enhance balance and coordination, improve circulation and blood oxygenation, increase bone density and strength, reduce stiffness and much more.