- Patient side lying with unaffected side down (-30° from supine) and lower leg is flexed 30° to increase stability
- Examiner proceeds to stabilize the involved ankle in the medial rotation and applies a valgus force at the knee.
Positive Slocum’s ALRI Test
“Clunk” or joint subluxation: Anteriolateral rotational instability
In cases of anteriolateral instability the most commonly injured structures are; anterior cruciate ligament, posterolateral capsule, lateral collateral ligament, arcuate-popliteus complex