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Which nerve of the sacral plexus supplies an extensor of the hip?
Inferior gluteal nerve
What is the nerve plexus from which the sciatic nerve originates from?
sacral plexus
The major plexuses of the spinal cord?
Cervical Plexus Brachial Plexus Lumbar Plexus Sacral Plexus
The largest nerve of the sacral plexus is the?
The largest branch of the sacral plexus is the sciatic nerve, the thickest and longest nerve in the body.
When Trauma to a nerve of this plexus may cause a wrist drop?
Sacral plexus
Does the obturator nerve branch from the sacral plexus?
false
A fall or improper administration of an injection to the buttocks may injure a nerve of this plexus?
sacral plexus
Is the sciatic nerve located in the brachial plexus?
No. The sciatic nerve comes from the sacral plexus in the lower limb.
What regions is not innervated by nerves of the sacral plexus?
abdominal wall
What are the four nerve plexuses?
Cervical: C1 - C5Innervates muscles of neck and extend into thoracic cavity, where they control diaphragmatic muscles. Major nerve: Phrenic...which provides entire nerve supply to diaphragm.Brachial: C5-T1Innervates pectoral girdle and upper limbs. Major nerves: Radial nerve, median nerve, ulnar nerve.Lumbar: T12 - L4Innervates pelvic girdle and lower limbs. Major nerves: Genitofemoral nerve, lateral femoral cutaneous nerve, and femoral nerve.Sacral: L4-S5Innervates pelvic girdle and lower limbs. Major nerves: Sciatic nerve (which branches into tibial and fibular nerves) and pudendal nerve.
What is the function of the sacral plexus?
Send impulses to the posterior side of the thigh.
What body structure that is not innervated by nerves arising from the sacral plexus?
abdominal wall
