MUSCLES-HYPOTHENAR EMINENCE

From NeuroRehab.wiki

SUMMARY

1. Abductor digiti minimi: arises from the flexor retinaculum & pisiform. Inserts into the base of proximal phalanx of little finger & extensor expansion. A sesamoid bone is common in its tendon.

2. Flexor digiti minimi brevis: arises from the flexor retinaculum. Inserted into the base of proximal phalanx of little finger.

3. Opponens digiti minimi: arises from the flexor retinaculum & hook of hamate. Inserted into ulnar border of 5th MC.

4. All muscles are supplied by the deep branch of the ulnar nerve.


Reference(s)

R.M.H McMinn (1998). Last’s anatomy: regional and applied. Edinburgh: Churchill Livingstone.
Gray, H., Carter, H.V. and Davidson, G. (2017). Gray’s anatomy. London: Arcturus.