Anatom3DMiddle phalanx of left middle finger
Phalanx media digiti medii manus sinistrae · Střední článek levého prostředníku
Skeleton
Looks like
The middle bone of the middle finger between its two joints.
What it does
Receives the superficial flexor tendon; links the joints.
Keeping it well
A buttonhole deformity (bent middle joint, straight tip) after a blow means the extensor slip on its base has torn — splint 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