Removal of tibial sesamoid. A, Optional incision. B, Arrow and suture delineate proper digital nerve to medial side of hallux. Nerve blends with capsule and subcutaneous tissue, making it vulnerable by position and appearance. C, Excised sesamoid, tendon of flexor hallucis longus, and undersurface (tibial sesamoid facet) of metatarsal head. SEE TECHNIQUE 82.36.