DEEP POSTERIOR COMPARTMENT OF FOREARM-EI
From NeuroRehab.wiki
SUMMARY
EXTENSOR INDICIS
TIP: EPL, EI, SUPINATOR arise from the ulna
1. O: dorsal surface of ulna & interosseous membrane.
2. I: extensor expansion of the index finger.
3. NS: posterior interosseous branch of radial n.
4. A: extends index finger (2nd digit).
Image: Extensor indicis muscle. Netter. (2014). Atlas of Human Anatomy, Sixth Edition. 6th ed. Elsevier.
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.
