Closed-kinetic chain evaluation of ankle joint proprioception in athletes with functional ankle instability

Ankle injuries are one of the most common injuries occurred in sport activities among athletes, active young and adult peoples (Hale and Hertel, 2005). Eighty-five percent of ankle injuries are sprains, and of these, 85% are sprains of the lateral ligaments due to ankle inversion (Sekir et al., 2007; Yildiz et al., 2008). Ankle sprains not only result in significant time lost from sports participation, they can also cause long-term disability and have a major impact on health care costs (Konradsen, 2002).