Human Anatomy 2300--Special Areas of the Lower Limbs
Human Anatomy 2300--Special Areas of the Lower Limbs Anatomy 2300
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This 2 page Class Notes was uploaded by Isabella Bowling on Wednesday April 6, 2016. The Class Notes belongs to Anatomy 2300 at Ohio State University taught by Dr. Burgoon in Spring2015. Since its upload, it has received 25 views. For similar materials see Human Anatomy in Anatomy at Ohio State University.
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Date Created: 04/06/16
Anatomy 2300 Lec #13 SPECIAL AREAS OF THE LOWER LIMBS --Special areas refer to a region defined by very specific anatomical structures. Femoral Triangle --Triangular space in the superoanterior third of the thigh; found at the junction between the trunk and the lower limb. Found best if thigh is in the flexed, abducted, and slightly laterally-rotated position Inguinal Ligament Ing. Lig. Sartorius (superior edge & Muscle base) Iliopsoas (lateral) (lateral Sar floor) t. Pectineus (medial Adductor longus floor) Muscle (medial) Addct.lo ng. The lateral floor is made of the Iliopsoas muscle. The medial floor is made of the Pectineus muscle. Contents of the triangle (medial to lateral): Femoral Vein Femoral Artery Femoral Nerve --All of these are very superficial easy access for doctors/nurses/researches. If you apply pressure here, you can reduce blood loss from lower limbs. Adductor Canal --Compartment found between the quads and the medial femoris muscles in the medial 1/3 of thigh. --Found deep to the Sartorius muscle (serves as the roof of the canal). --Contents: Femoral Artery Femoral Vein Saphenous Nerve (branch of femoral nerve, is cutaneous from medial leg) --At the end of the canal is the Adductor Hiatus (opening in the adductor magnus muscle). When it enters behind the knee, changes to the popliteal nerve, vein, and artery. Popliteal Fossa --Diamond-shaped depression on the posterior aspect of the knee --Borders: 1. Semimembranosus (superior medial) 2. Semitendinosus (superior medial) 3. Gastrocnemius—medial head (inferior medial) 4. Gastrocnemius—lateral head (inferior lateral) 5. Biceps femoris – long head (superior lateral) LATERAL MEDIAL Biceps Femoris Semimembran —long head osus Semitendinosu Gastrocnemius Gastrocnemius –medial head –lateral head # 1, #2, and #5 are all hamstring muscles. While #3 and #4 are part of calf muscle. --Contents: --Popliteal Artery --Popliteal Vein --Tibial Nerve (branch of sciatic nerve on posterior thigh) --AVIATION tells the order from deep to superficial!! Artery Vein Nerve. Also all right in the middle of the fossa. --Common fibular (peroneal) nerve (on the lateral border) --Termination of the small saphenous vein (dumps into the popliteal vein)