Effect of specific movements of Chen style Tai Chi on lower limb motor function in patients with chronic ankle instability

INTERVENTION: Tai Chi group:Specific movements of Chen style Tai Chi;Conventional rehabilitation group:Conventional rehabilitation; CONDITION: Chronic Ankle Instability PRIMARY OUTCOME: Cumberland Ankle Instability Test; SECONDARY OUTCOME: Foot and Ankle Ability Measure;Average Trace Error;Test Time Execution;Static Plantar Pressure;Dynamic Plantar Pressure;Root Mean Square;Integrated EMG;Median Frequency; INCLUSION CRITERIA: 1. Conform to the International Ankle Union's definition of CAI; 2. Aged 18‐25 years; 3. No loss of function in the past 6 weeks; 4. Cumberland Ankle Instability (CAIT) questionnaire score <=24; 5. The front drawer test of the affected ankle joint was negative; 6. There were no other interventions or treatments during the study period.