Opponens digiti minimi (hand)
Hands
- Origin
- Hook of the hamate and the flexor retinaculum
- Insertion
- Inner side of the fifth metacarpal
- Action
- Draws the fifth metacarpal forward and rotates it, cupping the palm
- Nerve supply
- Deep branch of the ulnar nerve (C8–T1)
The deepest muscle on the little-finger side of the palm. It brings the little finger's metacarpal forward to cup the hand and meet the thumb.
Opponens digiti minimi (hand) anatomy page →