Subtalar arthrodesis with internal fixation. A, Oblique incision over sinus tarsi. B, Exposure of sinus tarsi, cancellous bone of calcaneus, and talus. C, Steinmann pin is placed across subtalar joint entering talus as far distal as possible with foot held in corrected position. D, Screw is placed across subtalar joint from talar neck into calcaneus; sinus tarsi is filled with iliac crest bone graft. E, Radiograph of corrected foot with screw in place. SEE TECHNIQUE 34.3.