When it comes to visiting an orthopedist, patients have a variety of different injuries or other medical conditions. The following list is only a small portion of what orthopedists treat if you're feeling pain in any of your muscles, bones, joints, or tendons, and you don't think any of the following is what you are experiencing. We recommend you visit an orthopedist to help diagnose. Some injuries that orthopedists treat are: Arthritis, Work injuries or accidents, Sports injuries or accidents, Post-orthopedic surgery recoveries, Knee conditions, Shoulder conditions, Prosthetic training