S93
Conditions
Interventions
Group 1: Subjects with a functional ankle instability will be analysed using stereophotogrammetry, electromyography, and sonography.
Group 2: Subjects with a combined functional and mechanical ankle
Sponsors
Institut für Sport und Sportwissenschaft
Albert-Ludwigs-Universität Freiburg
Eligibility
Sex/Gender
All
Age
18 Years to 35 Years
Inclusion criteria
Inclusion criteria: physically active male and female subjects participating in sports with a high risk of lateral ankle sprains (soocer, handball, basketball, volleyball) age: 18-35 years All subjects have no orthopaedic and neurologic disorders. In addition, subjects of the reference group have no impairments in ankle joint control during daily activity and during exercise. The subjects with chronic ankle instability have a injury history of at least 2 lateral ankle sprains in the last 2 years.
Exclusion criteria
Exclusion criteria: Subjects (functional instable; mechanical and functional combined) - orthopaedic and neurological disorders - any surgery at the ankle joint and the foot - last ankle sprain in a period of less than three month before the measurement - any acute impairments due to a recent lateral ankle sprain Healthy Controls: - orthopaedic and neurological disorders - any surgery at the ankle joint and the foot - any lateral ankle sprain in the past
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Comparison of the neuromuscular ankle joint control between the three groups by the means of stereophotogrammetry and electromyography at one time point. | — |
Secondary
| Measure | Time frame |
|---|---|
| Comparison of the muscle mechanics between the three groups using ultrasound measurements at one time point. Classification of the four groups by the means of two questionnaires (FAAM-G and CAIT) at one time point. | — |
Countries
Germany
Contacts
Public ContactDominic Gehring
Institut für Sport und Sportwissenschaft Albert-Ludwigs-Universität Freiburg
Outcome results
None listed