Anatom3DSuperficial head of flexor pollicis brevis
Caput superficiale musculi flexoris pollicis brevis · Povrchová hlava krátkého ohýbače palce
Muscles
Looks like
The outer head of flexor pollicis brevis, from the flexor retinaculum.
What it does
Bends the thumb at its knuckle and helps turn it across the palm.
Keeping it well
Powered by the median nerve; it may weaken with severe carpal tunnel syndrome.
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