Increases cardiovascular endurance and strength, and enhances muscle tone. A unique fitness trainer, the Pro Fitter improves the functional elements of balance, coordination, time, spatial awareness, and motor skills. Quiet, lightweight, durable, and low-maintenance, it helps in the redevelopment of strength and proprioception after hip, knee, and ankle injuries, and offers improved core stability for back, shoulder, and neck injuries. Whether as part of an exercise or rehabilitation program, the Pro Fitter is the right choice.The Pro Fitter Physio Kit includes the same items as the Pro Fitter, plus one pair of balance aids for first-time users and individuals with limited balance skills, and one attachable hard ankle board which is more stable for early knee/ankle patients, and can be used in a progression leading up to the padded knee board.