(A) Fracture with the elbow extended. If the elbow is extended when the direct blow occurs to the posterior aspect, an oblique or transverse fracture occurs (arrows).
(B) With the elbow extended, the initial failure is in the anterior articular surface (arrows).
Reproduced with permission from: Erickson M, Frick S. Fractures of the proximal radius and ulna. In: Rockwood and Wilkins' Fractures in Children, 7th ed, Beaty JH, Kasser JR (Eds), Lippincott Williams & Wilkins, Philadelphia 2010. Copyright © 2010 Lippincott Williams & Wilkins.
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