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EXTERNAL ROTATORS OF THE HIP-PIRIFORMIS

Anatomy-Lower Limb

EXTERNAL ROTATORS OF THE HIP-PIRIFORMIS

1. O: middle 3 pieces of sacrum.
2. I: passes through greater sciatic foramen to insert into apex of greater trochanter.
3. NS: nerve to piriformis (S1 + S2, anterior rami).
4. A: externally rotates the hip.


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REFERENCES

1. Mcminn. (2003). Last's Anatomy. Elsevier Australia. ISBN:0729537528. Read it at Google Books - Find it at Amazon
2. Netter, F. H. (2019). Atlas of human anatomy. Philadelphia, PA: Elsevier.
3. Image: Beth ohara~commonswiki [ CC BY-SA 3.0 ], via Wikimedia Commons [Accessed 13 Apr. 2019].

Ⓒ A. Manickam 2018

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