INTRINSIC MUSCLES OF THE HAND-ADDUCTOR POLLICIS

From NeuroRehab.wiki

SUMMARY

1. O: transverse head - 3rd metacarpal. Oblique head - capitate, bases of 2nd & 3rd metacarpals.
2. I: medial side of base of proximal phalanx of the thumb.
3. NS: deep branch of ulnar n.
4. BS: deep palmar arch.
5. A: adducts thumb.

Paste-8392366096992.jpg

Image: Case courtesy of OpenStax College, Radiopaedia.org. From the case rID: 44017 [Accessed 19 Apr. 2020].


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.