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ClinAnatomyLowerLimb

QuestionAnswer
What important structures pass through the femoral triangle? Femoral nerve, artery, vein, and lymphatics.
What structures are within the femoral sheath? femoral artery vein and lymphatics, but not the nerve
what is in the femoral canal? lymphatics - this is an area of weakness where a femoral hernia may occur.
Name the tarsals. Calcaneus, talus, navicular, cuneiforms, cuboid
Do you feel ready for finals and your break? Of course! You are going to do great! Enjoy your time off!
What is the action of the gluteal muscles? extend, rotate and abduct the hip
what are the major hip flexors? Where do they originate and insert? iliopsoas (iliacus and psoas) posterior abdominal wall (vertebrae) and the femur
Name the hamstrings? What compartment are they and what is their function? biceps femoris, semitendinosus and semimembranosus. Just like the biceps of the arm is a flexor, the biceps of the posterior compartment of the thigh is a flexor - of the knee
What nerve innervates the posterior thigh? sciatic nerve
Name the quadriceps femoris muscles. rectus femoris plus 3 vastus muscles (intermedius, lateralis and medialis)
What nerve and what artery supply the anterior compartment of the thigh? femoral artery and femoral nerve
The medial compartment of the thigh is innervated by ___________. Its functon is __________________. obturator nerve; adduction
The function of the anterior leg compartment is _____________. What nerve supplies this compartment? dorsiflexion of the foot at the ankle; disruption of the common fibular nerve leads to foot drop (plantar flexion) due to weakness in dorsiflexion.
Name the 3 superficial muscles of the posterior leg compartment. gastrocnemius, soleus and plantaris. gastroc and soleus form the calcaneal (achilles tendon)
What nerve innervates the posterior leg? Tibial nerve
What spinal segments supply the lower limb? L1-S3 S3 if we include gluteal region
what dermatome overlies the area of the inguinal ligament? L1
What dermatome is the 5th toe? S1
What dermatome is the great toe? the medial aspect is L4 (it might be helpful to remember that the patellar reflex is L3/4- then you can remember that when you hit the patellar tendon, you will be hit by the great toe which is also L4 ) the space b/w 1st and 2nd toe is L5
What dermatome is the 2nd toe? L5
What spinal cord level is tested by the ankle reflex? S1 and S2
Lateral cutaneous nerve of the thigh supplies ________________ sensation to anterolateral thigh (no motor)
What 2 nerves of the lower limb pass under the inguinal ligament? femoral and lateral femoral cutaneous
what nerve curves around the neck of the fibula? common fibular nerve
Follow the course of the external iliac artery to the foot with its name changes. external iliac becomes femoral which becomes the popliteal which divides into anterior and posterior tibial arteries. The dorsalis pedis artery is a continuation of the anterior tibial artery
What artery supplies deeper structures of the thigh? Profunda femoris (aka deep femoral or deep artery of the thigh)
Claudication in the legs is due to ------------ peripheral arterial disease - generally atherosclerotic lesions
What is the course of the great saphenous vein? It is along the medial aspect of the leg and the thigh. It located anterior to the medial malleolus.
What is the adductor canal? It is the passageway for the femoral vessels to go through the thigh from the femoral triangle to the popliteal fossa
Which of the menisci is attached to its associated collateral ligament? The medial
Forward movement of the tibia during the anterior drawer test indicates a torn ____________ ACL
Which is stronger: the medial or lateral ankle ligaments? The medial (deltoid) ligament
What pulse can be palpated inferior to the inguinal ligament midway between ASIS and the pubic symphysis? Femoral
What is the recommended location for administration of gluteal IM injections? What are we trying to avoid? The Upper lateral quadrant. Sciatic nerve.
Where is the tarsal tunnel? What artery goes through the tarsal tunnel? posterior to the medial malleolus; posterior tibial artery
The medial malleolus is the distal aspect of what bone? tibial (the fibula is lateral)
Created by: Dr. Hall