John is a 64-year-old ski instructor, outdoor educator, and writer living in Alaska. In July 2008, he underwent a right total knee replacement and was hitting the slopes by December that same year. Most recently, in April 2010 he was having trouble going up stairs and visited The Stone Clinic for a robot-assisted partial knee replacement for his left knee. He was able to walk out of the surgery center the day of his procedure and just two weeks later is back doing what he loves catching fish and studying invertebrates in the river near his home.
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