Chronic Ankle Instability
Conditions
Keywords
Chronic ankle instability, Smartphone
Brief summary
This study aims to verify the training effect of smartphone-based training for chronic ankle instability(CAI) subjects. By randomizing subjects to App training group, clinical training group and control group, the training effect will be compared among groups.
Detailed description
Postural control ability may be damaged after ankle sprains. Poor postural control ability is the risk factors of the ankle sprain, forming a vicious circle of recurrent sprains. Proper and early assessment is the key to breaking down the circle. Smartphones have been utilized in the medical field. With built-in sensors, utilizing smartphones as assessment tools can provide quantitative data of postural control performance. This study aims to verify the training effect of smartphone-based training for CAI subjects. CAI subjects were recruited and randomly assigned to App training group, Home training group and control group, receiving 6 weeks of intervention. Pre-test was conducted before the intervention, and the post-test was conducted after the 6-week intervention. The follow up assessment was conducted 4 weeks after the post-test.
Interventions
OTHERApp Balance training
Training specially designed for balance ability of chronic ankle instability groups. Guidance through smartphone application as home program.
OTHERHome Balance training
Training specially designed for balance ability of chronic ankle instability groups. Follow the usual home program provided in clinics.
Sponsors
National Yang Ming Chiao Tung University
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)
Eligibility
Sex/Gender
ALL
Age
20 Years to 65 Years
Healthy volunteers
No
Inclusion criteria
* At least one ankle sprain history * At least 2 times of sprain and feeling unstable * Diagnosed as functional ankle instability * Full recovered from injury * Cumberland Ankle Instability Tool\<24 * Ankle Instability Instrument \>5 yes * Identification of Functional Ankle Instability \>11
Exclusion criteria
* Diagnosis as mechanical instability * Neurological deficits * Lower extremity injury within the past 6 wk * History of lower-extremity surgery * Other conditions known to affect balance
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Postural sway measurement | 30 seconds | Using smartphone application and force plate to record the postural sway during single leg stance. |
| Star Excursion Balance Test | 5 minutes | To assess the dynamic balance ability of subjects. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Foot and Ankle Outcome Score | 5 minutes | An ankle function assessment tool, with 5 dimensions includes symptoms, pain, activity, function and sport, and quality of life. The scale score ranges from 0% to 100%, the higher the percentage, the better ankle function. Subjects answer the questions by choosing different choices that describe their condition the best. The total score will be summed up and calculated as percentage. |
| Foot and Ankle Ability Measure-sport subscale | 5 minutes | An ankle function assessment tool. The scale score ranges from 0% to 100%, the higher the percentage, the better ankle function. Subjects answer the 7 questions by choosing different degree of difficulty to accomplish the activities. The total score will be summed up and calculated as percentage. |
Countries
Taiwan
Outcome results
None listed