Opponens digiti minimi of hand

Looks like

A deep muscle of the little finger side of the palm, from the hamate hook to the little finger's hand bone.

What it does

Rolls the little finger toward the thumb, cupping the palm.

Keeping it well

Powered by the ulnar nerve; wasting of the little finger side of the palm or weak grip needs assessment.

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