THE HIP Flashcards
what makes up the hip joint?
the proximal femur and the innominate bone (ilium, ischium and pubis)
why are hip dislocations so much less common than shoulder?
as the head of the femur sits snugly in the acetabulum
what ligaments stable the joint capsule of the hip?
iliofemoral ligament
pubofemoral ligament
ischiofemoral ligament
what is shenton’s line?
an imaginary curved line drawn along the inferior border of the superior pubic ramus and along the inferomedial border of the neck of femur.
what artery gives off the femoral artery?
the external iliac artery
when does the external iliac artery become the femoral artery?
as it passes under the inguinal ligament
what branches does the femoral artery give off?
superficial epigastric artery superficial circumflex iliac artery superficial external pudendal artery deep external pudendal artery profunda femoris descending genicular artery
what branches does the deep femoral artery give off?
medial and lateral circumflex femoral arteries
also the perforating branches
where do the medial and lateral cutaneous arteries meet?
at the trochanteric anastamoses
other than the femoral circumflex arteries, which other arteries meets them to form the trochanteric anastamoses?
the superior gluteal artery
what does the trochanteric ring give off?
retinacular arteries which run up the neck of the femur
after exiting the femoral triangle, describe the course of the femoral artery?
it continues down the anterior aspect of the thigh, through the adductor canal to supply anterior thigh muscles. it then moves through the adductor hiatus and enters the posterior compartment of the thigh, proximal the knee where it will become the popliteal artery
describe the course of the popliteal artery?
it descends down the posterior thigh giving rise to genicular branches to supply the knee joint
at the lower border of the popliteus it terminantes by dividing into anterior tibial artery and tibioperoneal trunk
what does the tibioperineal trunk bifurcate into?
the posterior tibia and fibular arteries
outline the course of the posterior tibial artery?
it continues along the surface of the deep posterior leg muscles and enters the sole of the foot via the tarsal tunnel. and then splits into lateral and medial plantar arteries which supply the plantar side of the foot