The humeral-ulnar angle.
Reproduced with permission from: Beaty JH, Kasser JR. The elbow region: General concepts in the pediatric patient. 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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