Fig. 3
From: Malpositioned olecranon fracture tension-band wiring results in proximal radioulnar synostosis
Dorsoradial approach for revision. Dorsoradial approach (black star olecranon tip) in prone position. After subperiosteal en bloc detachment of the supinator muscle (white star) from the proximal ulna (red arrow) the heterotopic bone formation (forceps) was exposed