Updated: 10/19/2017

Rectus femoris

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Origin Straight head from anterior inferior iliac spine; reflected head from groove just above acetabulum
Insertion Base of patella to form the more central portion of the quadriceps femoris tendon
Action Extends the knee, accessory flexor of hip
Innervation Muscular branches of femoral nerve (L2, L3, L4)
Arterial Supply Lateral circumflex femoral artery




 

 

 

 

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