Clinical imaging · UKMLA & AKT

Humeral shaft fractures

A free high-yield preview for the UKMLA Applied Knowledge Test, covering how to recognise this condition. The full SA Note notes add investigations, management and complications, with practice questions on this topic.

Key high-yield points

  • Radial nerve winds around the posterior humeral shaft in the spiral groove, running medial to lateral
  • Middle and distal third junction - nerve pierces lateral intermuscular septum and is most vulnerable to injury
  • Holstein-Lewis fracture - spiral fracture at middle/distal third junction; classically associated with radial nerve entrapment

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