Summarized Neurovasculature of LL Flashcards
Femoral nerve crosses the _____ and passes through the ____
inguinal ligament; femoral triangle
branches of the femoral nerve supply
all of the muscles of the anterior thigh and pectinous
the obturator nerve courses along the ___ and divides into two branches that pass through the ___
pelvic brim; obturator foramen
the ___ branch of obturator nerve passes under adductor brevis and innervates obturator externes, adductor part of adductor Magnus and knee joint
posterior
the posterior branch of obturator nerve passes under _____ and innervates ___________
adductor brevis; obturator externus, adductor part of adductor Magnus and knee joint
the ___ branch of obturator nerve passes between adductor longus and adductor brevis and innervates the rest of the medial thigh muscles
anterior
the anterior branch of obturator nerve passes between the ___ and the ___
adductor longus and adductor brevis
the anterior branch of the obturator nerve innervates
gracilis, adductor brevis adductor longus
the sciatic nerve courses through the _____ inferior to the ___ and travels under gluteus Maximus into the posterior thigh
greater sciatic foramen ; piriformis
the sciatic nerve courses though the greater sciatic foramen ____ to the piriformis and travels under the _______ to the ____
inferior; gluteus maximus; posterior thigh
in the posterior thigh, the sciatic nerve passes between _____
hamstring muscles
the tibial part of the sciatic innervates
extensor portion of adductor magnus
long head of biceps femoris
semimembranosus
semitendinosus
the common fibular part of the sciatic nerve innervates the _____
short head of biceps femoris
the tibial and common fibular components separate into the ___ and ____ nerve lower third of the ____ just proximal to the ____
tibial and common fibular nerves; thigh; popliteal fossa
tibial nerve travels through the middle of the ____ superficial to the _____ and ___ and medial to ___
popliteal fossa; popliteal vein and artery; plantaris
tibial nerve travels through the middle of the popliteal fossa, ___ to the popliteal vein and artery and ___ to the plantaris
superficial; medial
the tibial nerve courses between the heads of _____, goes under _____, and enters the _____
gastrocnemius; soles; deep compartment of the leg
the tibial nerve passes ___ to the flexor retinaculum on the ___ side of the ankle
deep; medial
the tibial nerve passes deep to the _____ on the medial side of the ___
flexor retinaculum; ankle
after passing along the medial side of the ankle, the tibial nerve divides into the ________ to supply the muscles on the ____ surface of the foot
medial and lateral plantar nerves; plantar surface
tibial nerve innervates all of the muscles of the ____
posterior leg
the common fibular nerve descends in the ____ and lateral to the ______
popliteal fossa; head of the fibula
the common fibular nerve _____ in the popliteal fossa and ___ to the head of the fibula
descends; lateral
the common fibular nerve divides into the ___ and ___ finerves
superficial and deep fibular nerves
the superficial fibular nerve courses ____ in the ____ compartment of the leg between the ___ and the ___ innervating those muscles
inferiorly; lateral; fibularis longus and fibularis brevis
the superficial fibular nerve innervates
fibularis longus and brevis
the deep fibular nerve passes from ___ to the ___ compartment and innervates the ______
lateral to anterior compartment; entire anterior leg including fibularis tertius
deep fibular nerve innervates ____ on the dorsum of the foot
extensor digitorum brevis
the abdominal aorta divides into the ___ at the level of __
common iliac arteries at l4
the common iliac artery courses ___ and ___ for about __ cm before dividing into internal and external iliac arteries along the pelvic brim
laterally and inferiorly; 5
the common iliac artery divides into the ___ and ___ arteries along the ___
internal and external iliac arteries along the pelvic brim
the internal iliac artery courses ___ and ___ along the wall of the ___
inferiorly and posteriorly; pelvis
the internal iliac artery gives off __ branches that supply the ___
2; gluteal region
the internal iliac artery branches into the ___ and ___.
superior and inferior gluteal arteries
the superior gluteal artery exits the pelvis at the _____ above the ____ with the superior gluteal nerve.
greater sciatic foramen; piriformis
the superior gluteal artery exits the ___ at the greater sciatic foramen above the piriformis with the _____
pelvis; superior gluteal nerve
the superior gluteal artery courses between ____ and ___
glutens medius and minimus
the inferior gluteal artery exits the pelvis at the ____ with the ____ nerve and lies deep to the ___
greater sciatic foramen; inferior gluteal nerve; gluteus maximus
the external iliac artery passes deep to the ___ in the femoral triangle with the ____ and __
inguinal ligament; femoral vein and nerve
the external iliac artery changes its name to the ____ after crossing the inguinal ligament
femoral artery
the external iliac artery changes its name to the femoral artery after crossing the
inguinal ligament
the femoral artery courses through the ____, ____
femoral triangle and anterior thigh
the femoral artery courses through the femoral artery and anterior thigh and then passes from ___ to ___ through the _____
anterior to posterior through the adductor hiatus.
the femoral artery passes through the adductor hiatus and becomes the _____
popliteal artery
the femoral artery gives off the
profunda femoris artery
the popliteal artery courses ___ through the popliteal fossa and divides into the ___ and ___ arteries in the __ leg
distally; anterior and posterior tibial arteries; proximal leg.
the anterior tibial artery courses distally in the ___
anterior compartment
the anterior tibial artery changes its name to the _____ at the level of the medial and lateral malleoli.
dorsalis pedis
dorsalis pedis supplies the
dorsum of the foot
the posterior tibial artery arises from the
popliteal artery
the posterior tibial artery is in the ___ leg and gives off the ___
proximal; fibular artery
the posterior tibial artery descends through the ____, coursing with the ___
deep posterior leg; tibial nerve
the posterior tibial artery passes deep to the _____ on th ___ side of the ankle
flexor retinaculum; medial side
the posterior tibial artery terminates by dividing into the ___ and ___ arteries, supplying the _____ surface of the foot
medial and plantar arteries; plantar surface of the foot
the fibular artery supplies the ____ on the ___ side
deep posterior muscles of the leg; lateral side
