ANAT 1615 Lab Final Exam Review (Lower Extremity)

ANAT 1615 Lab Final Exam Review (Lower Extremity) - ANAT...

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ANAT 1615 LAB FINAL EXAM REVIEW Items in bold print are most important Revised Spring 2008 A. Superficial Structures 1. Veins begin at the dorsal venous arch - The lesser or small saphenous vein runs laterally around the lateral malleolous up the posterior of the calf & drains into the popliteal vein. Travels with medial sural nerve. - The greater saphenous vein runs around the medial malleolus up the medial aspect of 2. Nerves - Cutaneous nerves of the thigh: femoral branch of the genitofemoral n., lateral femoral cutaneous n. , cutaneous branch of the obturator n., posterior cutaneous nerve of the thigh , medial and intermediate cutaneous nerves of the thigh. - Cutaneous nerves of the leg: saphenous nerve runs down the front of the leg right on top of the shin bone (tibia), medial sural nerve runs down the back of the calf with the small saphenous vein, lateral sural nerve runs down the lateral aspect of the leg, joins up with the medial sural nerve to wrap around the lateral malleolus. Superficial fibular nerve (aka superficial peroneal ) emerges just above the ankle to supply the top of the foot. Remember; the Deep fibular/peroneal nerve comes out between the first and second metatarsals to supply the area of skin between the first and second toes 3. Other Structures: Lymph nodes B. The Lumbosacral Plexus: Know the ones that go to the lower limb – Lumbosacral trunk, Lateral femoral cutaneous, Femoral, Obturator, Sciatic . Know their relationship with the Psoas major and where they exit the pelvis. C. The Gluteal Region 1. Muscles (Lu’s Lunch Box) a. 3 Pieces of Pizza - Gluteus Maximus : innervated by Inferior Gluteal nerve, supplied by Inferior Gluteal artery; acts to __________________________________ - Gluteus Medius : innervated by Superior Gluteal nerve, Supplied by Superior Gluteal artery; acts to _________________________________ Weakness of this muscle causes a positive ________________________ - Gluteus Minimus: innervated by superior gluteal nerve, supplied by superior - Gluteus Minimus : innervated by Superior Gluteal nerve, Supplied by Superior Gluteal artery; acts to _________________________________ b. 1 chicken leg or Pear - Piriformis : innervated by ventral rami of S1 S2; Acts to __________________________________. The defining muscle of the region. Divides the superior gluteal nerve and artery from the inferior gluteal nerve and artery. The posterior femoral cutaneous nerve, pudendal nerve and internal pudendal artery, and sciatic nerve emerge inferior to the Piriformis. Sciatic nerve travels down the posterior thigh and leg. Piriformis syndrome is when the sciatic nerve, or a branch thereof, travels through the piriformis muscle causing pain down the back of the thigh and leg. c.
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This note was uploaded on 11/21/2011 for the course ANAT 1615 taught by Professor Samueldemons during the Fall '10 term at Life Chiropractic College West.

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ANAT 1615 Lab Final Exam Review (Lower Extremity) - ANAT...

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