Elbow
Ligamentous Instability (Lateral)
Evidence: suggestive
The Chair Push-up Test Special Test
Orthopedic Physical Examination & Clinical Assessment Guide
What is it used for?
- Assessing Posterolateral Rotatory Instability (PLRI) and Radial Collateral Ligament insufficiency.
How to Perform
- Position: Patient sits in a chair with armrests, elbows flexed to 90°, and arms abducted.
- Action: Patient supinates the forearms (palms holding the chair arms) and attempts to push themselves up to stand.
Interpretation of Results
- Positive Test: Patient is apprehensive or unable to extend the elbow due to fear of dislocation (radial head subluxation).
Diagnostic Accuracy
- Sensitivity: 87%
References
- Magee, D. J. (2021). Orthopedic Physical Assessment.
- Orthofixar | Chair Push-up Test