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FEMORAL NERVE

Anatomy-Lower Limb

FEMORAL NERVE

1. Origin - L2 + 3 + 4 (posterior divisions of the anterior rami).
2. Emerges from the lateral border of the psoas major and runs in the gutter b/w psoas + iliacus, deep to iliac fascia.
3. Supplies the iliacus, then passes under the inguinal ligament + lateral to femoral sheath (remember 'VAN').
4. Lateral femoral circumflex artery divides its branches (9-10) into SUPERFICIAL (4= 2 cutaneous + 2 muscular) + DEEP (5-6= 1 to each vastus [3 total] + 2 to rectus femoris + 1 cutaneous).
5. SUPERFICIAL BRANCHES - nerve to sartorius, nerve to pectineus, intermediate femoral cutaneous nerve, medial femoral cutaneous nerve.
6. DEEP BRANCHES - 2 nerves to rectus femoris (also supplies hip), nerve to vastus lateralis, nerve to vastus intermedius, nerve to vastus medialis (largest, carries most of branches to knee joint), saphenous nerve.


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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: Gray, Henry. Anatomy of the Human Body. Philadelphia: Lea & Febiger, 1918; Bartleby.com, 2000. www.bartleby.com/107/ [Accessed 07 Apr. 2019].

Ⓒ A. Manickam 2018

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