A subsequent magnetic resonance image (MRI, Fig, 1) revealed a bifurcated distal biceps tendon with a complete tear of the short head off the radial tuberosity with proximal retraction of the tendon of approximately 2 cm.
The short head originates from the supraglenoid tubercle of the scapular bone and the short head originates from the coracoid process, attaches to the radial tuberosity through the common tendon and to the deep fascia of the forearm through aponeurosis bicipitalis.
The common interosseous artery, which usually arises from the ulnar artery, in this case emerged as a short branch of the radial artery distal to the radial tuberosity (Figure 1B).
Injuries of the distal biceps tendon usually occur near the insertion onto the radial tuberosity, are more commonly partial thickness and can involve either the long or short head.
(2,3) The proximal oblique cord originates from the anterolateral aspect of the coronoid and inserts just distally to the radial tuberosity. The dorsal oblique accessory cord originates in the proximal ulna at the junction of the proximal one-third and distal two-thirds and inserts on the interosseous crest of the radius.
Subsequently, 3D image of the affected side was aligned with the mirrored 3D image of the contralateral bone by registration of the radial tuberosity and diaphysis to identify the correct anatomic profile of the reconstructed part (Figure 3(a)).
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