The triangular fibrocartilage complex (TFCC) is a key stabilising structure on the ulnar side of the wrist. Tears cause pain with gripping and rotation, and can lead to wrist instability if untreated.
Reviewed byProf Paul Lee MBBch, FRCS (Tr & Orth), PhDLast reviewed 1 May 2026
The TFCC is made up of cartilage, ligaments, and a meniscal-like disc that together cushion and stabilise the wrist. It is critical for:
Tears are classified by location and cause. Peripheral tears (near the blood supply) have better healing potential than central tears.
Accurate characterisation of the tear (MRI or wrist arthroscopy) guides the treatment decision. Not all TFCC tears need surgery, and not all surgical tears need reconstruction.
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Protect what you have. Slow degeneration and manage symptoms.
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The triangular fibrocartilage complex (TFCC) is a structure on the ulnar (little finger) side of the wrist. It acts as a cushion between the forearm bones and the carpal bones, and it stabilises the distal radioulnar joint during forearm rotation. It is essential for wrist stability and load transfer.
TFCC tears can be traumatic (from a fall on an outstretched hand or a forceful twist) or degenerative (from gradual wear, particularly in patients over 50). Traumatic tears are more common in younger, active patients.
Pain on the ulnar side of the wrist, worsened by gripping, twisting, or loading through the hand. Clicking or clunking during forearm rotation. Weakness in grip and difficulty performing push-ups or weight-bearing through the wrist.
Mild tears may respond to splinting, activity modification, and injection therapy. More significant tears, particularly those causing instability, may require arthroscopic repair or debridement. The approach depends on tear type, location, and your functional demands.
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