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LEA7 Artery Leg
LEA7 Arteries Thigh/Leg
| Question | Answer |
|---|---|
| what is the femoral artery a continuation of | -femoral artery is a continuation of the external iliac artery distal ro inguinal ligament |
| what areas does the femoral artery supply | the branches supply anterior and anteriomedial aspects of the thigh |
| what is the path of the femoral artery | -descends down through the fem triangle, bisecting it-through the adductor canal-ends as it traverses the adductor hiatus where it becomes the popliteal artery |
| what does the femoral a. turn into at the adducotr hiatus | popliteal artery |
| what is the largest branch of the femoral artery and the chief artery to the thigh | -deep artery of the thigh-it arises from the lateral or post side of the femoral a. in the femoral triangle (near the neck of the femur) |
| what is the cheif artery of the lower limb | femoral artery |
| what 4 arteries arise from the proximal femoral artery (they arise above the deep artery of the thigh) | -superficial epigastric a-superfical and deep circumflex iliac a.-superficial and deep external pudendal a. |
| which branch of the femur gives branches that wrap around the middle third of the posterior aspect of the femur | -deep artery of the thigh-it supplies all 3 fascial compartments (add magnus, hams, vastus lateralis) |
| what do the circumflex femoral arteries supply | -thigh muscles and superior end of the femur |
| what are the circumflex femoral arteries | -medial circumflex femoral artery-lateral circumflex femoral artery |
| supplies most of the blood to the head and neck of the femur via its posterior retinacular branches | medial circumflex femoral artery |
| what arteries are usually torn when the femoral neck is fractured or the hip joint is dislocated | -the retinacular branches of the medial circumflex artery |
| what circumflex femoral artery mainly supplies the muscles on the lateral side of the thigh | lateral circumflex femoral artery |
| what branch of the internal iliac artery helps the deep artery of the thigh supply the adductor muscles | -obturator artery supplies the adductor m. via the anastomoses of its anterior and posterior branches (posterior branch also gives off an acetabular branch that supplies head of the femur) |
| what two muscles does the deep artery of the thigh run between | between the pectineus and adductor longus |
| where do the medial and lateral circumfelx femoral arteries arise from | -deep artery of the thigh (the femoral comes off the external iliac, then has a deep thigh branch coming off it which then has those 2 branches coming off medial and laterally) |
| what is the path of the obturator artery | -passes through the obturator foramen, enters the medial compartment of the thigh adn divides into anterior and posterior branches, which pass onto respective sides of adductor brevis |
| what does the anterior branch of the obtuator supply | -obturator externus-pectineus-adductors of thigh-gracilis |
| what does the posterior branch of the obturator supply | -muscles attached to ischial tuberosity |
| what arteries take part in the "cruciate anastomosis" | -four way meetings of:-medial and lateral circumflex femoral arteries-superiorly with the inferior gluteal artery and the 1st perforating artery (of deep artery of the thigh)inferior posterior to femur |
| what is the popliteal artery a continuation of | femoral artery at the adducotr hiatus in adductor magnus |
| what continues off the popliteal artery | pop artery ends as the anterior and posterior tibil arteries at the lower border of the popliteus muscle |
| describe the path of the anterior tibial artery | -it comes off the popliteal artery with the postrior tibial artery-it then passes anteriorly through a gap in superior part of the interosseous membrane-then descends between TA&EDL-at ankle, runs between the malleoli and becomes dorsalis pedis a. |
| what two muscles does the anterior tibial artery descend between | the TA and EDL |
| at the ankle joint what does the anterior tibial artery become | dorsalis pedis artery (between the malleoli) |
| at the inferior border of the pop muscle, the pop artery splits into ant and post tibial artery, where does the anterior tibial go from there | -it passes to the anterior via a gap in the interosseous membrane to descend the anterior surface |
| where does the popliteal artery span from | -at the adductor hiatus the femoral becomees the popliteal and it runs to the inferior border of the popliteus where it becomes ant and post tibial arteries |
| what branches does the popliteal artery give off around the knee | -superior, middle and inferior geniculars to both medial and lateral aspects of the knee (inferior medial genicular, superior medial genicular etc.) |
| what artery passes between the tibia and fibula in anterior compartment | Anterior Tibial artery |
| what is the dorsalis pedis artery of the foot a continuation of | anterior tibial artery (distal to the inferior extensor retnaculum) |
| what happens to the dorsalis pedia as it descends anteriormedially to first interosseous space | it divides into the planatar and arcuate arteries |
| where does the tibia get its nutrient artery | from the popliteal artery |
| pop artery splits into anterior and posterior tibial arteries, anterior tibial goes anterior and posterior tibial runs posteriorly and gives off a branch... | peroneal artery |
| how does the posterior tibial artery terminate | terminates distal to the flexor retinaculum into medial and lateral plantar arteries |
| the peroneal artery is a branch off the posterior tibial artery and it runs down the posterior leg and gives branches off to supply... | -the peroneal artery gives perforating braches to supply the lateral compartment |
| which compartment of the lower leg does not have an artery coursing through it | -the lateral compartment-it gets its blood from the perforating branches of the peroneal artery that runs down the posterior leg compartment |
| there are two terminal parts of the popliteal artery, what are they and which is larger and more direct branch | -anterior tibial artery (larger/direct)-posterior tibial artery |
| close to the origin of the posterior tibial artery, it gives rise to its largest branch... | the peroneal artery that runs lateral and paralell with the posterior tibial artery |
| during its descent what Nerve and vein accompany the posterior tibial artery | tibial nerve and vein |
| describe the path of hte posterior tibial artery from inferior of the pop muscle to the foot | -runs posterior to the medial malleolus-then runs between the FHL and FDL-deep to the flex retinaculum and the origin of the abductor hallucis, the post tibial artery divides into medial and lateral plantar arteries (the arteries of the sole) |
| what artery gives rise to the nutrient artery of the fibula | peroneal artery |
| what is the path of the peroneal artery | -it is the 1st branch off the posterior tibial artery-descends with the FHL giving off muscular branches in the post and lateral comapartment-distally it gives rise to a perforating branch and terminal lateral malleolar and calcaneal branches |
| how does the peroneal artery (from the post tibial artery) terminate | -it gives off a perforating branch then terminates as a medial malleolar branch adn calcaneal branch of posterior tibial artery |
| circumflex fibular artery | -arises from the origin of anterior or posterior tibial artery at the knee and passes laterally over the neck of the fibula to anastomose around the knee |
| what is the largest nutrient artery in the body and who supplies it | -the nutrient artery of the tibia-arises from the origin of the anterior or posterior tibial artery-pierces the TP, gives it branches and hten ends the nutrient foramina in the proximal third of the posterior surface of the tibia |
| where can you palpate the posterior tibial pulse | between the posterior surface of hte medial malleolus and the medial border of the calcaneal tendon |
| the arteries supplying the knee joint are the 10 vessels that form the periarticular genicular anstomoses around the knee..what are they | -genicular branches of the femoral (5)(SL,IL,SM,IM)-middle genicular of the popliteal artery-popliteal artery (6)-anterior and posterior recurrent branches of the anterior tibial recurrent artery (8)-circumflex peroneal arteries |
| what is the blood supply to the superior tibiofibular joint | -inferior lateral genicular artery of the femoral artery and anterior tibial recurrent artery (of the anterior tibial artery) |
| what is the blood supply of the tibiofibular syndesmosis | -perforating branch of the peroneal artery-medial malleolar branches of the anterior and posterior tibial arteries |
| what supplies blood to the ankle joint | -malleolar branches of the peroneal arteries-anterior and posterior tibial arteries |
| what are the blood supplies of the hip | -medial and lateral circumflex femoral arteries-artery to the head of the femur |
| the largest nutrient foramina is in the tibia and supplied by the popliteal artery, where is it located on the tibia | -posterior surface, lateral to the vertical ridge |
| sharp ridge on the posterior aspect of the fibula | median crest |
| where does the anterior tibial artery enter the talus | dorsal surface of the neck of the talus |
| where does the body of the talus get blood | -nasty with in the sinus tarsi by artery of sinus tarsi(branch of lat tarsal artery) and artery of canalis tarsi(branch of post tib artery) |
| if you fx the neck of the talus, what happens | -aseptic necrosis of the BODY |
| where are the nutrient foramina on the mets located | -they are protected, so on the medial side of 4/5, lateral side of 1-3 |
| there are two holes between the tib/fib, a superior and inferior one, what passes through each | -the anterior tibial artery passes through the superior opening, the peroneal artery passes to the front in the inferior opening |
| how can you get AVN of the head of the femur | -medial femoral circumflex artery destruction (from the femoral artery) |
| what arteries does the soleus get | -all three (post tib, peroneal, sural artery-from popliteal) |
| what do the sural arteries supply | -gastroc, soleus, plantaris (sural a is from popliteal) |
| what artery gives off the medial and lateral malleolar arteries | anterior tibial artery |
| how does the dorsalis pedis terminate | -ends at the 1st intermetatarsal space by dividing into 1st dorsal intermetatarsal artery and deep plantar perforating artery |
| what is the peroneal artery a branch of | posterior tibial artery |
| deep veins are usually accompanied by two vena comitantes with the same name, what are the exceptions to this | -the following deep veins DO NOT have vena comintantes: dorsal digital arteries, popliteal artery, femoral artery, deep femoral artery |
| what is the largest vein in the body | the great saphenous vein |
| where do most cases of varicose veins occur and why | -in the left leg because the common iliac artery crosses the body at an angle to reach the vena cava on right side, so it takes more pressure for blood to come up the left side |
| what artery lies deep to the origin of the abductor hallucis | posterior tibial artery, right before it branches into its terminal branches the medial and lateral plantar arteries |
| what area does the medial circumflex artery supply | -medial compartment of thigh |
| what area does the lateral circumflex artery supply | -anterior compartment of thigh |
| what arteries supply the post compartment of the thigh | -inferior gluteal, perforatings of deep femoral, muscular popliteal branches |
| retinacular arteries are a collar of arteries around the neck of the femur, what are they made of | -ascending branches of the medial and lateral circumflex femoral arteries |
| the deep femoral artery has perforating branches, which provides for the nutrient formaina of the femur | -2nd perforating |
| where does the femoral vein begin and what is its upward course | -it begins at the adductor hiatus and ends by passing under the inguinal ligament lying in the middle compartment of the femoral fasica and becoming external iliac vein |
| the internal iliac artery terminates at the lumbosacral joint into anterior and posterior trunks, what is given off each trunk | -anterior trunk gives off obturator, inferior gluteal adn internal pudendal arteries; the posterior trunk gives off iliolumbar, lateral sacral, and superior gluteal arteries |
| external iliac gives off two branches before it becomes the femoral artery, what are the branches | -inferior epigastric and deep circumflex iliac arteries |
Created by:
felicia71180