Elbow
Ligamentous Instability (Lateral)
Evidence: uncertain
Posterolateral Apprehension Test Special Test
Orthopedic Physical Examination & Clinical Assessment Guide
What is it used for?
- Screening for Posterolateral Rotatory Instability (PLRI).
How to Perform
- Position: Patient lies supine with the arm overhead.
- Action: Examiner grasps the patient's wrist and elbow, applying a force that mimics the Pivot-Shift (supination + valgus + flexion).
Interpretation of Results
- Positive Test: The patient verbally expresses fear ('apprehension') that the elbow will dislocate, or resists the movement, even if no actual clunk occurs.
References
- Magee, D. J. (2021). Orthopedic Physical Assessment.