DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Ankle surgery. Image 4 of 6. Surgeon drilling into the ankle bones while metal retractors hold back the skin. This operation is being performed to strengthen the ankle, which was weakened by a previous injury. It involves inserting screws to fuse the ankle's talonavicular joint (where the talus and navicular bones meet). Screws were also inserted into a tarsometatarsal (tarsal and metatarsal bones) joint in the foot to relieve arthritis caused by the injury. For a series showing this procedure, see images M551/535.
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