Proximal phalanx of left ring finger
Phalanx proximalis digiti anularis manus sinistrae · Základní článek levého prsteníku
Skeleton
Looks like
The base bone of the ring finger, between knuckle and middle joint.
What it does
Carries the finger tendons and forms part of both joints.
Keeping it well
A tight ring can strangle it when the finger swells; it should be cut off early.
Related conditions
- Acromegaly
- Carpal tunnel syndrome
- De Quervain's tenosynovitis
- Dupuytren's contracture & trigger finger
- Fractures
- Fragility fracture
- Frailty & falls in older age
- Ganglion cyst
- Hyperparathyroidism
- Juvenile idiopathic arthritis
- Osteogenesis imperfecta (brittle bone disease)
- Osteomalacia & rickets
- Osteomyelitis (bone infection)
- Osteoporosis
- Paget's disease of bone
- Pseudogout (calcium pyrophosphate disease)
- Psoriatic arthritis
- Raynaud's phenomenon
- Repetitive strain & overuse injury
- Rheumatoid arthritis
- Sarcoma
- Vitamin B1, C and other deficiencies
- Vitamin D deficiency