>> good to see you. >> have a seat. >> and even the simplest of greetings, this handshake would have been nearly impossible just eight months ago. >> day-to-day, shaking hands was very painful. >> range of motion is back. >> putting on my jacket, reaching up, like anything that had to do with bending my wrist down was painful. tucking in my shirt hurt and it -- it just got to be so every once in a while i'd wake up in the middle of the night and it would be aching and it was something needed to happen. >> bill lost his arm in a motorcycle accident as a teenager. but the active kid from south dakota didn't stop playing sports like football and wrestling or running track. over the years it put a strain on his remaining hand and wrist. >> there's no cartilage so it's just bone on bone. then there's holes in the bones, and then that was irritating some of the tendons that go across it, and so it was just constantly inflamed, and very sore.