Anatom3DProximal phalanx of left index finger
Phalanx proximalis indicis sinistri · Základní článek levého ukazováku
Skeleton
Looks like
The base bone of the index finger, between knuckle and middle joint.
What it does
Carries tendons and supports pinch against the thumb.
Keeping it well
Fractures may shorten or rotate the finger, affecting pinch; they need aligning.
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