Abstract
internal ‘external fixator’ and has been used in various fractures.1 With new locking implants being devised, more difficult fractures can be fixed and fewer humeral heads need to be replaced. Moreover, these new implants can be inserted with minimally invasive methods through smaller incisions.2 Nonetheless, loss of fixation and varus malunion still occur.3 Fracture fixation can be augmented with calcium triphosphate cement, but this leads to additional cost and increased complexity of the surgical procedures.4 In this issue, Burke et al.5 investigated the use of additional inferomedial or ‘calcar’ screws in maintaining the reduction of proximal humeral fractures. The concept of ‘calcar’ screw originated Commentary: Locking plate fixation with and without inferomedial screws for proximal humeral fractures: a biomechanical study
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