Flexor digiti minimi brevis of hand

Looks like

A small muscle in the little finger side of the palm, from the hamate hook to the little finger.

What it does

Bends the little finger at its knuckle.

Keeping it well

Powered by the ulnar nerve; cyclists' handlebar pressure can compress it.

Related conditions

• Botulism
• Carpal tunnel syndrome
• Cubital 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