SUPERFICIAL EXTENSORS OF FOREARM-EXTENSOR DIGITORUM
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SUMMARY
1. O: lateral epicondyle of humerus (common extensor origin).
2. Tendons pass under the extensor retinaculum to pass to the fingers where they form the dorsal expansions/extensor hoods. 3. I: extensor expansion of medial 4 digits.
4. NS: posterior interosseous branch of radial n.
5. A: extends medial 4 digits & wrist.
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.
