Hip dislocation

Question 1

what is the acetabulum ringed by

Answer 1

strong fibrocartilage called the labrum

it forms a gasket around the socket creating a tight seal & helps provide stability to the joint

Question 2

what happens to the femoral head in a hip dislocation

Answer 2

its pushed backwards or out of the socket or forwards

Question 3

dislocation that leaves the lower leg in a fixed position, w the knee and foot rotated in toward the middle of the body

Answer 3

posterior dislocation

Question 4

dislocation that leaves the hip bent slightly and the knee and foot rotate out and away from midline

Answer 4

anterior dislocation

Question 5

what is a posterior wall acetabular fracture dislocation

Answer 5

when the head of femur hits and breaks off the back part of the hip socket during injury

Question 6

when the femur is pushed out of the scoket and tears blood vessels

blood supply to bone is lost, bone can die =

Answer 6

osteonecrosis (avascular necrosis)

Question 7

complete dissociation of the articulating surfaces of a joint =

Answer 7

dislocation

Question 8

when the articulating surfaces of a joint remain in partial contact w each other

Answer 8

subluxation