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Systemic Anatomy

Sacral Plexus

QuestionAnswer
What are the spinal nerve roots for the Sacral Plexus? L4,5,S1,2,3,4
The Superior Gluteal Nerve is innervated by what spinal nerve root? L4,5,S1
What muscles are innervated by the Superior Gluteal Nerve? Gluteus minimus, medius mm. tensor fasciaed latae m. - these are abductors of the thigh
Name the nerve(s) that derive from the following Spinal Nerve Root: L5,S1,2 Inferior Gluteal Nerve
Name the nerve(s) that derive from the following Spinal Nerve Root: L4,5, S1,2,3 Sciatic Nerve
Name the nerve(s) that derive from the following Spinal Nerve Root: L4,5,S1,2,3 Tibial Nerve
Name the nerve(s) that derive from the following Spinal Nerve Root: L4,5,S1,2 Common Peroneal Nerve
Name the nerve(s) that derive from the following Spinal Nerve Root: S2,3,4 Prudendal Nerve
The Inferior Gluteal nerve supplies motor innervation to which muscles? gluteus maximus m.
The Sciatic nerve supplies motor innervation to which muscles? hamstrings and adductor magnus m.
The Tibial nerve supplies motor innervation to which muscles? semitendinsous and semimembranosus mm., long head of biceps femoris m., adductor magnus m., gastrocnemuius m., soleus m., plantaris, popliteus, tibialis posterior, flexor digitorum longus, flexor hallucis longus
The Common Peroneal nerve supplies motor innervation to which muscles? biceps femoris short head
The Pudendal nerve supplies motor innervation to which muscles? perineum, levator ani, external anal sphincter, external urethral sphincter
The S. Gluteal nerve supplies sensory innervation to what areas? no cutaneous sensory branch
The I. Gluteal nerve supplies sensory innervation to what areas? no cutaneous sensory branch
The Tibial nerve supplies sensory innervation to what areas? skin of posterior leg
The Superficial Peroneal nerve supplies sensory innervation to what areas? skin over the distal 1/3 of the anterior aspect of the leg and dorsum of the foot
The Deep Peroneal nerve supplies sensory innervation to what areas? small area of skin on the dorsum of the foot between the first and second toes
The Pudendal nerve supplies sensory innervation to what areas? skin of the penis and scrotum in male; clitoris, labia majora and minora and vagina in female
The superficial peroneal nerve supplies motor innervation to which muscles? peroneus longus, peroneus brevis - evert foot and plantar flex foot
The Deep Peroneal nerve supplies motor innervation to which muscles? tibialis anterior, extensor hallucis longus, extensor digitorum, peroneus tertius
What nerve is known as the largest nerve in the body and what spinal nerve does it come from? Sciatic Nerve - L4,5,S1,2,3
Which nerve has two nerves in one neural sheath? Sciatic
Which nerve descends through the posterior thigh sending branches to the hamstrins and adductor magnus? Sciatic
Which nerves provide motor to the foot and sensory to the skin over the plantar surface of the foot? medial and lateral plantar nerves
Sensory portion of the medial and lateral plantar nerves? skin of the posterior leg
Nerve commonly damaged in motorcycle or bicycle wrecks, due to trauma to lateral aspect of the upper or proximal fibula? Common Peroneal
Can you dorsiflex the foot if you cut the deep peroneal nerve? no
Nerve that is blocked during parturition for episiotomies Pudendal nerve
Created by: kbalduf on 2008-08-11



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