Flexion mechanism. Flexion-type fractures usually result from a blow to the posterior aspect of the elbow. The obliquity of the fracture line may be opposite that of an extension type. The large blue arrows demonstrate the usual direction of displacement of the fragments.
Reproduced with permission from: Kasser JR, Beaty JH. Supracondylar fractures of the distal humerus. In: Rockwood and Wilkins' Fractures in Children, 5th ed, Beaty JH, Kasser JR (Eds), Lippincott Williams & Wilkins 2001. Copyright © 2001 Lippincott Williams & Wilkins.
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