Changes in Dynamic q Angle in Patients With Chronic Ankle Instability

Inclusion criteria: * Subjects aged between 18 and 30 years. * Subjects with a history of LAS for at least one year before the study onset, that required at least 1-day weight-bearing restriction. * Subjects with a self-reported tendency of ≥2 giving way episodes during 6 months before enrollment in the study. * Subjects with a perception that the injured ankle was chronically weaker, more painful, and/or less functional than the contralateral ankle before the first LAS. * Subjects who scored less than 24 in the Cumberland Ankle Instability Tool (CAIT), a validated ankle instability specific questionnaire of 9 items, to determine if functional ankle instability is present. Exclusion criteria * Subjects who had bilateral LAS * Subjects with a history of lower extremity injury, fracture, or surgery * Subjects who participated in supervised or unsupervised ankle rehabilitation within a year before enrollment in the study * Subjects with LAS within 3 months before participation * Subjects with a history of knee pain during the last 6 months. * Subjects diagnosed with knee osteoarthritis.