ProStretch Leg Flex Exerciser- Single Leg Aids in stretching the lower leg muscles / tendons especially the Achilles tendon and plantar fascia * Rocker design * MES allows patients to add resistence along with stretching great for post-surgery rehab * Adjustable range of motion allows for a gradual increase in exercise * Shipping Carton Size: 12 L x 10 W x 8 H