Cross-Body Adduction Test Special Test

What is it used for?

• Diagnosing AC Joint pathology.

How to Perform

• Position: Arm flexed 90°.
• Action: Adduct the arm horizontally across the chest.

Interpretation of Results

• Positive Test: Pain specifically at the AC joint.

Diagnostic Accuracy

• Sensitivity: 77%
• Specificity: 79%

References

• Magee, D. J. (2021). Orthopedic Physical Assessment.