The Triple Tommy John (TJ3) Procedure: A New Benchmark in UCL Reconstruction
Few operations have changed sports medicine as much as Tommy John surgery. Since 1974, it has given baseball players with a torn elbow ligament a way back to competition. But the game has changed a great deal in 50 years, and surgeons are asking whether the operation should change with it. The Triple Tommy John (TJ3) procedure is one of the most talked-about answers to that question. This guide explains what TJ3 is, how it differs from traditional UCL reconstruction, and what athletes and parents should understand before considering it. What Is the UCL and Why Does It Tear? The ulnar collateral ligament (UCL) is a small but vital band of tissue on the inner side of the elbow. It connects the upper arm bone (humerus) to the forearm bone (ulna) and stabilizes the elbow during overhead throwing. Every hard throw puts enormous stress on this ligament. Over time, repetitive stress can cause tiny tears, scarring, or even calcification inside the ligament. Eventually it can partially or comp...