Fig. (4) Olecranon osteotomy approach. A: Olecranon osteotomy is marked in shape of shallow V or chevron. B: Thin-blade oscillating saw is used to start osteotomy. C: Osteotomized proximal olecranon fragment is elevated proximally; ulnar nerve is isolated, mobilized, and protected (From Canale & Beaty: Campbell's Operative Orthopaedics, 11th edition, Mosby 2007).