chronic ankle instability
Conditions
Interventions
Sponsors
The Sixth Affiliated Hospital, Sun Yat-sen University
Eligibility
Sex/Gender
All
Age
18 Years to 40 Years
Inclusion criteria
Inclusion criteria: Inclusion Criteria for Healthy Control Group: 1. Aged from 18 to 40 years old; 2. No history of lateral ankle sprain; 3. Engage in physical activity at least 3 times per week, with no less than 30 minutes each time; 4. No history of professional athletic training, and Tegner score = 11 points; 6. Engage in physical activity at least 3 times per week, with no less than 30 minutes each time; 7. No professional athletic training for more than 5 years, and Tegner score <= 5 points. Inclusion Criteria for MAI Group: 1. Aged from 18 to 40 years old; 2. At least one significant lateral ankle sprain requiring protective weight-bearing and/or immobilization; 3. A history of two or more lateral sprains of the same ankle; 4. Recurrent feelings of ankle instability and/or giving-way episodes; 5. Cumberland Ankle Instability Tool (CAIT) score <= 24 points; 6. Positive results in anterior talar drawer test and talar tilt test; 7. Engage in physical activity at least 3 times per week, with no less than 30 minutes each time; 8. No professional athletic training for more than 5 years, and Tegner score <= 5 points.
Exclusion criteria
Exclusion criteria: 1. Acute ankle sprain; 2. Previous history of lower limb fracture, surgery, or major musculoskeletal injury (except for lateral ankle sprain history in CAI group); 3. Presence of ankle pain or swelling during testing; 4. Combined with knee disorders and injuries, including anterior cruciate ligament injury, posterior cruciate ligament injury, meniscal injury, articular cartilage injury, patellar dislocation, medial collateral ligament injury, lateral collateral ligament injury, intra-articular fracture, patellar tendon tear, etc.; 5. Beighton score > 4 points; 6. Physical activity frequency <= 2 times per week.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Ground Contact Time ; | — |
Secondary
| Measure | Time frame |
|---|---|
| Time of Side-hop test; | — |
Countries
CHINA
Contacts
Public ContactSong Bin
The Sixth Affiliated Hospital, Sun Yat-sen University
Outcome results
None listed