Hook Test

Hook Test is used for Distal Biceps Avulsion
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 Hook Test

What is Hook Test?

  • Hook Test is used for Distal Biceps Avulsion

How it's Performed?

  • performed by asking the patient to actively flex the elbow to 90° and to fully supinate the forearm
  • examiner then uses index finger to hook the lateral edge of the biceps tendon.

What does a positive Hook Test mean?

  • With an intact / partially torn tendon, finger can be inserted 1  cm beneath the tendon .
  • False positive:
    – partial tear
    – intact lacertus fibrosis
    – underlying brachialis tendon

Sensitivity & Specificity

  • Sensitivity: 100 %
  • Specificity: 100 %

Reference


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