Rectus femoris

Video Description

This video is a 3D demonstration of the origin, insertion, and action of the Rectus Femoris.

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
Flexes the hip and extends the knee

INNERVATION
Muscular branches of femoral nerve (L2, L3, L4)

ARTERIAL SUPPLY
Lateral circumflex femoral artery