Origin
Hamate bone, flexor retinaculum.
Insertion
5th metacarpal bone.
Blood supply
Ulnar artery.
Nerve supply
Ulnar nerve – deep branch.
Action
It is the muscle that curls the little finger and helps grasp objects.
Disease/Injury
Excessive typing work can strain the opponens digiti minimi, leading to pain in the hypothenar eminence.
Muscle Exercise
Hold a rolled-up towel between the thumb and the little finger. Squeeze the towel with these 2 fingers only and then release. Repeat.
Interesting Facts
NA