Bicipital Aponeurosis Flex Test Special Test

What is it used for?

• Confirming complete distal biceps rupture (checking if the aponeurosis is intact).

How to Perform

• Position: Patient actively flexes the wrist and makes a fist (supinated arm).
• Action: Patient flexes the elbow to 75°.
• Palpation: Examiner feels for the sharp edge of the bicipital aponeurosis in the medial antecubital fossa.

Interpretation of Results

• Positive Test: The aponeurosis is not palpable (indicates rupture).

Diagnostic Accuracy

• Sensitivity: 100%
• Specificity: 90%

References

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