Quick Facts
Origin: Sciatic nerve.
Course: Distributed to the hamstring muscles as it descends in the posterior compartment of the thigh.
Branches: None.
Supply: Hamstring muscles (semimembranosus, semitendinosus, biceps femoris, and adductor magnus muscles).
Related parts of the anatomy
Origin
The sciatic nerve, a branch of the lumbosacral plexus, gives off muscular branches to the hamstring muscles as it descends in the posterior compartment of the thigh.
Course
Various muscular branches to the muscles in the posterior thigh are given off along the course of the descent of the sciatic nerve in the posterior compartment of the thigh.
Branches
There are no named branches.
Supplied Structures
The muscular branches of the sciatic nerve provide motor innervation to the hamstring muscles (semimembranosus, semitendinosus, biceps femoris, and adductor magnus muscles).
Learn more about this topic from other Elsevier products
Sciatic Nerve
The sciatic nerve (SN) is the largest branch of the lumbosacral plexus, typically arising from 4th and 5th lumbar spinal nerves as well as the 1st through 3rd sacral nerves.
