Strengthen your arms or legs and without ever having to leave your home. The Prevention Motorized Dual Hand and Foot Recovery Exerciser will help with blood circulation, improve balance and strengthen muscles. Five 15 minute program options turn the cranks at set speeds and alternate the direction of the turns. The telescoping hand grips section can be angled and extended to accommodate different sitting position or standing, making sure you are always comfortable at any position. The tethering strap is included and will prevent your chair from pushing away from the machine. You can choose to stimulate the hands and feet at the same time or work them out individually. With the Prevention Motorized Dual Hand and Foot Recovery Exerciser both your arms and legs will get stronger!