Articular capsules of metacarpophalangeal joints
Capsulae articulares articulationum metacarpophalangearum · Kloubní pouzdra metakarpofalangeálních kloubů
Joints & cartilage
Looks like
The capsules of the knuckle joints, where the hand bones meet the first finger bones.
What it does
Enclose the knuckles and let the fingers bend, straighten and spread.
Keeping it well
Swollen, tender knuckles on both hands, stiff in the morning, suggest rheumatoid arthritis and need a doctor.
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