Chronic ankle instability
Conditions
Interventions
Part One: Unilateral CAI Group:None
Part One: Bilateral CAI Group:None
Part Two: Tai Chi Group:None
Part Two: Healthy People Group:None
Part Three: Tai Chi Group:8-week intervention, 3 times per week, 40 minutes each session. Includes: 5 minutes warm-up, 30 minutes of eight-form Tai Chi (e.g., Retreating Palm, Louxie Aobu), and 5 minu
Part Three: Balance Group:8-week intervention, 3 times per week, 40 minutes each session. Includes: 5 minutes warm-up, 30 minutes balance training (e.g., single-leg standing, single-leg jumping), and
Part Three: Blank Control Group:Receive health education once weekly, no intervention training, maintain usual daily activity levels.
Sponsors
Shanghai University of Sport
Eligibility
Sex/Gender
All
Age
18 Years to 30 Years
Inclusion criteria
Inclusion criteria: Study 1: Characteristics of Brain Functional Network Connectivity and Corticomuscular Control in Unilateral CAI Patients During Multisensory Perturbation Tasks 1. Inclusion Criteria for Unilateral CAI (1) Aged 18-30 years, right-side dominance; (2) At least one severe right ankle sprain occurred more than 12 months ago (no history of left ankle sprain), causing pain, swelling, etc., and inability to participate in sports for at least three weeks after injury; (3) At least 2 episodes of "giving way" and/or recurrent sprains in the injured ankle within the past 6 months, with subjective ankle instability; (4) CAIT score = 3 years; practicing >= 3 times per week, >= 30 minutes per session. 2. Inclusion Criteria for Bilateral CAI (1) Aged 18-30 years, right-side dominance; (2) At least one severe sprain in each ankle occurred more than 12 months ago, causing pain, swelling, etc., and inability to participate in sports for at least three weeks after injury; (3) At least 2 episodes of "giving way" and/or recurrent sprains in each ankle within the past 6 months, with subjective ankle instability; (4) CAIT score = 3 years; practicing >= 3 times per week, >= 30 minutes per session. 3. Inclusion Criteria for Healthy Control Group (1) Aged 18-30 years, right-side dominance; (2) No history of ankle sprains; (3) CAIT score >= 28, indicating good ankle function and no instability. (4) Regular exercise habit for >= 3 years; practicing >= 3 times per week, >= 30 minutes per session. Study 2: Characteristics of Brain Functional Network Connectivity and Corticomuscular Control in Tai Chi Practitioners During Multisensory Perturbation Tasks 1. Inclusion Criteria for Tai Chi Practitioners (1) Aged 18-30 years, right-side dominance; (2) Tai Chi practice for >= 3 years; practicing >= 3 times per week, >= 30 minutes per session; (3) No history of ankle sprains; (4) CAIT score >= 28, indicating good ankle function and no instability. 2. Inclusion Criteria for Healthy Control Group (1) Aged 18-30 years, right-side dominance; (2) No prior Tai Chi practice; regular exercise habit for >= 3 years; practicing >= 3 times per week, >= 30 minutes per session; (3) No history of ankle sprains; (4) CAIT score >= 28, indicating good ankle function and no instability. Study 3: Effects of Tai Chi Training on Bilateral Sensorimotor Function, Brain Functional Network Connectivity, and Corticomuscular Control Characteristics in Unilateral CAI Patients 1. Inclusion Criteria for Unilateral CAI (1) Aged 18-30 years, right-side dominance; (2) At least one severe right ankle sprain occurred more than 12 months ago (no history of left ankle sprain), causing pain, swelling, etc., and inability to participate in sports for at least three weeks after injury; (3) At least 2 episodes of "giving way" and/or recurrent sprains in the injured ankle within the past 6 months, with subjective ankle instability; (4) CAIT score = 3 years; practicing >= 3 times per week, >= 30 minutes per session. 2. Inclusion Criteria for Healthy Control Group (1) Aged 18-30 years, right-side dominance; (2) No history of ankle sprains; (3) CAIT score >= 28, indicating good ankle function and no instability. (4) Regular exercise habit for >= 3 years; practicing >= 3 times per week, >= 30 minutes per session.
Exclusion criteria
Exclusion criteria: 1. Acute injury occurred on either side of the lower limbs within the past three months; 2. Double lower limb fractures and surgical history; 3. Having neuromusculoskeletal system disorders; 4. Have neurological problems, etc.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Single-leg multisensory perturbation task performance;H-reflex parameters;Maximum voluntary isometric contraction of the ankle;Cumberland Ankle Instability Tool score; | — |
Secondary
| Measure | Time frame |
|---|---|
| Plantar cutaneous sensation;Ankle proprioception;Tampa Scale for Kinesiophobia score;Identification of Functional Ankle Instability score;Ankle Instability Instrument score;Self-reported ankle stability rating;Self-reported comfort rating; | — |
Countries
China
Contacts
Public ContactWang Lin
Shanghai University of Sport
Outcome results
None listed