- Hook Test is used for Distal Biceps Avulsion
- 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.
- 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: 100 %
- Specificity: 100 %