Injuries to the triangular fibrocartilage (triangular fibrocartilage complex or TFCC) are common, and they can manifest with ulnar‐sided pain and a decrease in muscle strength, particularly under load during pronation‐supination move‐ ments. For diagnosis, the most reliable clinical signs are the fovea sign and ballottement. Among the most commonly used classifications for TFCC injuries are those by Palmer, Atz...