Which arteries of the hip are most likely to contribute to avascular necrosis?
medial and lateral circumflex arteries because they supply blood to the femoral head
avascular necrosis
inadequate blood supply
what are the purposes of knee bursae?
reduce friction and cushion pressure points between bones and tendons, muscles and
skin near the joint
, suprapatellar bursae
located between the femur and tendon of quadriceps femoris
held in position by articular muscle of knee; communicates freely with (superior
extension of) synovial cavity of knee joint
semimembranosus bursae
located between medial head of gastroc and semimembranosus tendon
related to distal attachment of semimembranosus
subcutaneous prepatellar bursa
located: between skin and anterior surface of patella
allows free movement of skin over patella during movements of leg
subcutaneous infrapatellar bursae
located between skin and tibial tuberosity and helps knee withstand pressure when
kneeling
posterior hip dislocation
- 90% of hip dislocations
- femoral head displaces posteriorly in relation to the acetabulum
hip flex, add, and IR
anterior hip dislocation
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