Authors of section


Martin Jaeger, Frankie Leung, Wilson Li

Executive Editors

Peter Trafton

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Extraarticular 2-part, greater tuberosity, nondisplaced

This fracture subgroup consists of fractures of the greater tuberosity which are truly not displaced. They heal typically very well under conservative treatment and do not tend to displace during the healing period.

These fractures are unifocal extraarticular proximal humerus fractures involving the greater tuberosity. The greater tuberosity is the attachment of supraspinatus and infraspinatus tendons and its integrity is important for proper shoulder function. Proximal displacement, even as little as 5 mm, of a fracture of the greater tuberosity compromise shoulder abduction. This is due to tuberosity impingement on the coracoacromial arch and/or shortening of the involved rotator cuff tendons.

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