Ankle Inversion Stress Test |
Examination type |
Ligamentous Joint Stability |
Patient & Body Segment Positioning |
Patient should flex knee to 90 degress while hanging legs over
edge of table. Patient should be in short sitting position with
gastrocnemius relaxed. |
Examiner Position |
The heel is held by one hand and the tibia and fibula are held
with the other hand. The hand on the heel is placed somewhat
inferior lateral to push the calcaneus and talus into inversion.
The other hand is on the medial side of the lower leg. |
Tissues
Being Tested |
Anterior talofibular ligament or Calcaneofibular ligament |
Positive Test |
When the talus tilts excessively on the injured side more than
the uninjured side. Pain can also be associated on the injured
side. |
Interpretation |
Injury to the calcaneofibular ligament or the anterior
talofibular ligament. |
Common errors in
performing exam |
Not pushing on the calcaneus medially enough. Pushing the wrong
way on the calcaneus. |
Factors possibly
resulting in misinterpretation |
The examiner could miss the ligament that is torn by not putting
enough stress while inverting the calcaneus. Another
misinterpretation would be when the examiner performs the wrong
test. |
Related tests |
Talar Tilt test |
References |
Orthopedic Physical Assessment. 5th edition
David J. Magee |
Links: |
http://ahn.mnsu.edu/athletictraining/spata/footanklemodule/specialtests.html
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