Anatom3DTendon sheath of extensors carpi radialis
Vagina tendinum musculorum extensorum carpi radialium · Pochva šlach vřetenních natahovačů zápěstí
Joints & cartilage
Looks like
The sleeve around the two tendons that lift the wrist on the thumb side, in the second compartment.
What it does
Lets these tendons glide under the wrist band.
Keeping it well
Where the thumb muscles cross them, friction causes intersection syndrome: squeaky pain a few cm above the wrist in rowers.
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