EXTERNAL ROTATORS OF THE HIP-OBTURATOR INTERNUS

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Revision as of 08:38, 30 December 2022 by Dr Appukutty Manickam (talk | contribs) (Imported from text file)

SUMMARY

1. O: pelvic surface of the obturator membrane & surrounding bone. Passes through the lesser sciatic foramen, makes a right-angled turn around the lesser sciatic notch.
 2. I: together with the superior and inferior gamelli (forming the tricipital tendon) it is inserted into the medial surface of the greater trochanter. 
3. NS: nerve to the obturator internus. 
4. A: externally rotates the thigh.

Posterior Hip Muscles 1.PNG

Image: Beth ohara~commonswiki [CC BY-SA 3.0], via Wikimedia Commons [Accessed 13 Apr. 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.