Ulnar collateral ligament of wrist joint

Looks like

A band on the little-finger side of the wrist, from the ulnar styloid to the triquetrum and pisiform.

What it does

Limits the wrist tilting toward the thumb.

Keeping it well

Part of the ulnar wrist complex; injured together with the TFCC.

Related conditions

• Gout
• Haemophilia & bleeding disorders
• Lyme disease
• Marfan syndrome & connective tissue disorders
• Osteoarthritis
• Psoriatic arthritis
• Rheumatic fever & rheumatic heart disease
• Rheumatoid arthritis
• Systemic lupus erythematosus
• Temporomandibular joint disorder