Shoulder
Instability
Evidence: confirmed
Anterior Release Test (Surprise Test) Special Test
Orthopedic Physical Examination & Clinical Assessment Guide
What is it used for?
- Diagnosing Anterior Instability.
- Part of the Apprehension-Relocation cluster.
How to Perform
- Step 1: Perform the Relocation Test (pushing humeral head posterior).
- Step 2: Suddenly release the posterior pressure.
Interpretation of Results
- Positive Test: Sudden return of pain or apprehension (Surprise!).
Diagnostic Accuracy
- Sensitivity: 92%
- Specificity: 89%
References
- Magee, D. J. (2021). Orthopedic Physical Assessment.