Hook Test Special Test

What is it used for?

• Diagnosing complete avulsion of the Distal Biceps Tendon.

How to Perform

• Position: Patient actively flexes the elbow to 90° and fully supinates the forearm (palm facing face).
• Action: Examiner attempts to 'hook' the index finger under the lateral edge of the biceps tendon in the elbow crease.

Interpretation of Results

• Normal: The finger can hook approximately 1 cm under the cord-like tendon.
• Positive (Rupture): No tendon is palpable; the finger cannot hook anything.

Diagnostic Accuracy

• Sensitivity: 100%
• Specificity: 100%

References

• Magee, D. J. (2021). Orthopedic Physical Assessment.
• Orthofixar | Hook Test