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Medial view of an elbow, demonstrating the 3 bundles of the medial ulnar collateral ligament complex. The relationships between the three bundles and the pronator teres (purple) and brachialis (yellow) muscles are also demonstrated. ABUCL (UCL) anterior bundle, FCU ulnar carpi ulnaris, FDS flexor digitorum superficialis, OBUCL oblique bundle, PBUCL posterior bundle
