Neurovasculature of Leg Flashcards
What do the common iliac arteries bifurcate into?
Internal and external iliac arteries
Which artery do the superior and inferior gluteal arteries branch from?
Internal iliac artery
Which arteries form the trochanteric anastomosis?
Superior gluteal artery, medial circumflex femoral artery and lateral circumflex femoral artery
Which artery are the medial and lateral circumflex femoral arteries branches of?
Profunda femoris
Which artery supplies the anterior compartment of the thigh?
Femoral artery
What is the femoral artery a continuation of?
External iliac artery
Which artery supplies the posterior compartment of the thigh?
Perforating arteries
Which artery do the four perforating arteries branch off?
Profunda femoris
Which artery supplies the medial compartment of the thigh?
Obturator artery
Which artery is the obturator artery a branch of?
Internal iliac artery
Where does the femoral artery become the popliteal artery?
At adductor hiatus
Flexion of the knee compresses which artery?
Popliteal artery
Which arteries make up the genicular anastomosis?
Superior lateral genicular artery Superior medial genicular artery Middle genicular artery Inferior lateral genicular artery Inferior medial genicular artery
Which artery supplies the anterior compartment of the lower leg?
Anterior tibial artery
Which artery supplies the posterior compartment of the lower leg?
Posterior tibial artery
Which artery supplies the lateral compartment of the lower leg?
Fibular artery
The anterior tibial artery is a branch of which artery?
Popliteal artery
The posterior tibial artery is a branch of which artery?
Popliteal artery
The fibular artery is a branch of which artery?
Posterior tibial artery
What is the continuation of the anterior tibial artery called?
Dorsalis pedis artery
Which artery supplies the dorsal aspect of the foot?
Dorsalis pedis artery
Which arteries supplies the plantar aspect of the foot?
Medial and lateral plantar arteries
The medial and lateral plantar arteries are branches of which artery?
Posterior tibial artery
Which arteries make up the deep plantar arch?
Deep plantar branch of dorsalis pedis and lateral plantar artery
Where does the great saphenous vein run?
Anteromedial aspect of leg
What vein does the great saphenous vein drain into?
Femoral vein
Where does the small saphenous vein run?
Posterior aspect of the lower leg
Which vein does the small saphenous vein drain into?
Popliteal vein
Which three deep veins join to form the popliteal vein?
Anterior tibial, posterior tibial and fibular veins
Where do the perforating veins take the blood?
From superficial veins to deep veins
What forms the lumbar plexus?
Anterior rami of L1-L4
What are the two main nerves that come from the lumbar plexus?
Obturator nerve and femoral nerve
Which compartment of the lower limb does the obturator nerve supply?
Medial compartment of thigh
Which compartment of the lower limb does the femoral nerve supply?
Anterior compartment of thigh
What forms the sacral plexus?
Anterior rami of L4-S5 and lumbosacral trunk (branch of L4 anterior ramus that joins L5)
What are the three main nerves that come from the sacral plexus?
Sciatic nerve (L4-S3), superior gluteal nerve (L4-S1) and inferior gluteal nerve (L5-S2)
What does the sciatic nerve bifurcate into?
Tibial nerve and common fibular nerve
Which divisions of the anterior rami form the tibial nerve?
Anterior divisions
Which divisions of the anterior rami form the common fibular nerve?
Posterior divisions
Which compartment of the lower limb is supplied by tibial nerve?
Posterior compartment of lower leg
The tibial nerve birfurcates into which two nerves?
Medial and lateral plantar nerves
The common fibular nerve birfurcates into which two nerves?
Deep and superficial branches
Which compartment of the lower limb is supplied by the deep branch of the common fibular nerve?
Anterior compartment of lower leg
Which compartment of the lower limb is supplied by the superficial branch of the common fibular nerve?
Lateral compartment of lower leg
What does injury to the common fibular nerve cause?
Foot drop - loss of dorsiflexion
Sensory loss to dorsal surface of foot and anterior, lower leg
