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Low back pain| nerve levels| L3

This post was written by admin on March 7, 2007
Posted Under: Lower Body Topics

1Wednesday, March 07, 2007 

Low back pain| nerve levels| L3 

Sensation:

-       Inner aspect of the thigh, front of the knee, to slightly below the knee through the sensory branches of the femoral nerve (medial and anterior cutaneous nerve of the thigh). 

 -        Inner and upper aspect of the leg (saphenous nerve). 

Muscles: Muscles that have L3 nerve root innervation are the rectus femoris supplied by the femoral nerve and the adductor longus muscle supplied by the obturator nerve.  

List of muscles supplied by the L3 and L4 spinal nerve roots.  

Muscles supplied by the obturator nerve:

-          Adductor longus (L3, L4)

-          Gracilis muscle (L2, L3)

-          Pectineus (L2, L3)

-          Obturator externus (L3, L4)

-          Adductor magnus (L2, L3, L4) 

Muscles supplied by the femoral nerve:

-          Rectus femoris (L3, L4)

-          Vastus medialis (L3, L4)

-          Vastus lateralis (L3, L4)

-          Vastus intermedius (L3, L4) 

Reflex: Knee (L3,L4) 

Adductor longus is a L3 innervated muscle (below) 

Adductor longus

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