Collateral Nerves of the Lumbosacral plexus Flashcards
1
Q
What is the origin of the superior gluteal nerve?
A
L4 through S1 posterior divisions
2
Q
What is the origin of the inferior gluteal nerve?
A
L5 through S2 posterior divisions
3
Q
What muscles are innervated by the superior gluteal nerve?
A
Gluteus medius, gluteus minimus, tensor fasciae latae.
4
Q
What muscle is innervated by the inferior gluteal nerve?
A
Gluteus maximus
5
Q
What are the primary actions of the superior gluteal nerve?
A
Stabilize the pelvis, to abduct the hip.
6
Q
What are the primary actions of the inferior gluteal nerve?
A
Extension of the hip; lateral rotation of the thigh.
7
Q
What nerves assist in lateral rotation of the thigh?
A
Nerve to superior gemellus and obturator internus; Nerve to inferior gemellus and quadratus femoris.
