blood and nerve supply of the lower limb Flashcards
What is the main arterial supply to the leg?
through the femoral artery
What is the femoral artery a continuation of?
the iliac artery which arises from the abdominal aorta
There is sufficient ____________ __________ to maintain the tissues of the resting limb for a period of several _______
collateral circulation
hours
The nerve supply to the lower limb comes from the _____ _________ to the fourth _______ ________ _______. This is known as the _________ and __________ plexux.
first lumbar
sacral spinal nerves
lumbar
sacral
What are nerves essential for in the lower limb? (2)
control of movement and cutaneous sensation
What does the sacral plexus supply?
the bottock, posterior thigh and almost all of the leg and foot
What is the largest nerve in the body?
sciatic nerve
What does the sciatic nerve divide into?
common fibular nerve
tibial nerve
what are the two important peripheral nerves in the lower limb?
the sciatic nerve
superior and inferior gluteal nerve
Which nerve supplies the adductor muscles?
Obturator nerve
Which nerve supplies the anterior thigh?
femoral nerve
Which nerve supples the back of the thigh?
sciatic nerve
Which nerve supplies the posterior leg and foot?
tibial nerve
what does the superficial branch of the common fibular nerve supply?
the lateral side of the leg
What does the deep branch of the common fibular nerve supply?
the anterior leg
