vessels of the lower limb Flashcards
describe the flow chart from dorsal and ventral horn to nerves
ventral and lateral horn to ventral and lateral rootlets, to ventral and lateral roots, to spinal nerve, to dorsal and ventral rami. ventral rami then divides anteriorly and posteriorly
where do the dorsal rami supply
the deeper back muscles, joiunts and skin of the back
why are the dorsal rami smaller than the ventral rami
because the rami do more, like they are supplying larger area and go further
what plexsus do the cervical nerves form
the cervical plexsus from C1-C4 and the brachial plexsus from C5-T1
what plexuses do the thoracic spinal nerves form
the intercostal nerves from T1-T11
what plexus do the lumbar nerves form
lumbar plexus L1-L4
what plexus do the sacral nerves form
sacral plexus L4-S4
what plexus do the coccygeal spinal nerves form
the coccygeal plexus S4-Co1
what connects the two plexus of the lumbosacral plexus
the lumbosacral trunk, from L4-5
what are the 5 key nerves of the lumbosacral plexus and their origins
femoral nerve anterior L2-L4
obturator nerve posterior L2-L4
greater gluteal nerve L4-S1
lesser gluteal nerve L5-S2
sciatic nerve L4-S3
what are the two nerves within the sciatic nerve and their originate
the tibial nerve L4-S3
common fibular nerve L4-S2
what are the divisions of the common fibular nerve and where do they innervate
deep fibular nerve is the anterior compartment of the leg
superficial fibular nerve is the lateral compartment of the leg
what do each of the primary nerves innervate
femoral nerve is anterior thigh
obturator nerve is medial thigh
superior gluteal nerve is the gluteus medias and minimus and the TFL
inferior gluteal nerve is the gluteal Maximus
the tibial nerve is posterior thigh and posterior leg
anterior and lateral leg is the common fibular nerve
what is the supply to the iliopsoas muscles
the ventral rami of the L1, L2 and L3 is the psoas major
iliacus is the femoral nerve
despite being on the medial thigh what miscle does the femoral nerve supply
the pectineus
what innervates the hamstrings part of the adductor magnus
the tibial nerve
why do we give intramuscular bum injections in the upper lateral quadrant of the hip
so we can avoid damaging the sciatic nerve
on the sole of the foot what does the tibial nerve divide into
the medial and lateral plantar nerves
where does the common fibular nerve divide and what into
at the anterior aspect of tje neck od=f the fibular
dividing into deep and superficial fibular nerves
what supplies the short head of the biceps femoris
the common fibular nerve
descrobe the artery flow chart of the lower limb
aorta - thoracic aorta - abdominal aorta - common iliac artery - external iliac artery - femoral artery - popliteal artery - anterior and posteror tibial artery - dorsalis pedis and the lateral and medial plantar artery.
where does tthe aorta bifricate and what into
bifrucates into the left and righ common iliac arteries at L4
where does the common iliac arterties divide
into the internal and external iliacs at the sacrum
what are the three branches of the internal iliac artery in the true pelvis
the superior gluteal artery, unferior gluteal and the obturator artery
where does the femoral artery become the polital artery
at the popliteal fossa
where does the popliteal artery divide and into what
divides at the neck of the fibula to become anterior and posterior tibial artery
what divides intto the fibular arteyr
the posterior tibial artery
what passes through the adductor hitaus,
the femoral artery
the anteiror tibial artery crosses what to become what
extenor retinaculum to become the dorsialis pedis
what does the posterior tibial artery to become what
beneth the flexor retinaculum to become the medial and lateral plantar arteries
whats the blood supplies to the thigh compartments
anteriorly ts the deep femoral artery, posteriorly its the deep femoral artery
medially its the deep femoral artery and the obturator
whats the blood supplies to the leg compartments
anterior is the anterior tibial
posterior is the posterior tibial artery
laterally is the fibular peroneal artery.
