SUPERFICIAL EXTENSORS OF FOREARM-EXTENSOR CARPI ULNARIS

From NeuroRehab.wiki

SUMMARY

1. O: lateral epicondyle of humerus (common extensor origin).
2. I: dorsal base of 5th MC.
3. NS: posterior interosseous branch of radial n.
4. A: extends & adducts the wrist.

Extensor carpi ulnaris muscle.png

Image: Häggström, Mikael (2014). Medical gallery of Mikael Häggström 2014. WikiJournal of Medicine 1 (2). DOI:10.15347/wjm/2014.008. ISSN 2002-4436. [Public domain], via Wikimedia Commons [Accessed 25 May 2019].


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.