THENAR EMINENCE-FLEXOR POLICIS BREVIS

From NeuroRehab.wiki

SUMMARY

1. O: flexor retinaculum & trapezium tubercle.
2. I: radial sesamoid of thumb.
3. NS: recurrent branch of the median n.
4. BS: superficial palmar branch of radial a.
5. A: flexes the proximal phalanx of the thumb.

1121 Intrinsic Muscles of the Hand Superficial sin.png

Image: Case courtesy of OpenStax College, Radiopaedia.org. From the case rID: 44017 [Accessed 18 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.