Anatom3DTendon sheath of extensor carpi ulnaris
Vagina tendinis musculi extensoris carpi ulnaris · Pochva šlachy loketního natahovače zápěstí
Joints & cartilage
Looks like
The sleeve around the extensor carpi ulnaris tendon in its groove on the back of the ulna at the wrist.
What it does
Lets the tendon glide and keeps it in the groove as the wrist turns.
Keeping it well
The tendon can slip out of the groove or become inflamed, causing ulnar-side wrist pain, common in tennis and golf.
Related conditions
- Carpal tunnel syndrome
- De Quervain's tenosynovitis
- Dupuytren's contracture & trigger finger
- Ganglion cyst
- Gout
- Haemophilia & bleeding disorders
- Juvenile idiopathic arthritis
- Lyme disease
- Marfan syndrome & connective tissue disorders
- Osteoarthritis
- Pseudogout (calcium pyrophosphate disease)
- Psoriatic arthritis
- Raynaud's phenomenon
- Repetitive strain & overuse injury
- Rheumatic fever & rheumatic heart disease
- Rheumatoid arthritis
- Systemic lupus erythematosus
- Temporomandibular joint disorder