Anatom3DTransverse head of adductor pollicis
Caput transversum musculi adductoris pollicis · Příčná hlava přitahovače palce
Muscles
Looks like
The lower, fan-shaped head of adductor pollicis, from the shaft of the middle finger's hand bone.
What it does
Pulls the thumb toward the palm for pinch and grip.
Keeping it well
Powered by the ulnar nerve; a weak pinch with thumb tip bending (Froment's sign) points to nerve damage.
Related conditions
- Botulism
- Carpal tunnel syndrome
- De Quervain's tenosynovitis
- Dupuytren's contracture & trigger finger
- Fibromyalgia
- Frailty & falls in older age
- Ganglion cyst
- Heat exhaustion & heatstroke
- Juvenile idiopathic arthritis
- Malnutrition & refeeding syndrome
- Muscular dystrophy
- Polymyalgia rheumatica
- Pseudogout (calcium pyrophosphate disease)
- Raynaud's phenomenon
- Repetitive strain & overuse injury
- Rhabdomyolysis
- Rheumatoid arthritis
- Sarcoma
- Sarcopenia
- Tetanus