Lab 6 - Module 1 - The Gluteal Region: Page 1 of 8

READINGS:

Gray's Anatomy for Students (Fourth Edition): Pages: 566-578, 590-598

CASE REPORT:

A 39 y/o carpenter, who is a recovering alcoholic, is being supported by outpatient rehabilitation by intragluteal injection of naltrexone, an opioid antagonist, every 4 weeks. Immediately after the last injection into his right buttock, he complained of numbness, tingling, and burning in his right leg down to his toes. The next day, he developed a foot-drop and was hospitalized.

EXAMINATION:

• Inspection of the right gluteal region shows an injection mark approximately over the course of the right sciatic nerve slightly above the gluteal fold.

• Sensory loss of the outer side of the right calf and the dorsum of the foot.

• Motor loss included inability to dorsiflex the ankle or evert the foot, with noticeable foot-drop.

• There is also difficulty in extending the toes.

• When walking the patient drags the front of the outer margin of his right foot.

	What is the path of the sciatic nerve as it leaves the gluteal region.
Compose an answer to help focus your study of this module.

	What are the two terminal branches of the Sciatic Nerve?
Compose an answer to help focus your study of this module.

	What are their courses/termination?
Compose an answer to help focus your study of this module.