Anatomy
Course
The largest branch of the lumbar plexus and is composed of the second, third and fourth lumbar nerves. Descends between the iliacus muscle and psoas major muscle and runs below the inguinal ligament where it divides into two branches, anterior and posterior.
Supply
Motor supply to the quadriceps femoris as well as many other muscles in the thigh. Cutaneous supply of the anterior and lateral thigh.
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