Lecture20: Hip Joint Flashcards
The synovial membrane covers the structures inside the hip joint except?
The articular surfaces
What is the function of the ilio-femoral ligament?
Prevent hyper extension
What does the ilio-femoral ligament look like?
Y-shaped
What is the pubo-femoral ligaments’ function?
Prevent hyper abduction
What does the pubo-femoral ligament look like?
Triangular in shape
Which ligament lays posteriorly and is from the ischium to the back of the capsule?
Ischio-femoral
Where do both lateral and medial femoral circumflex arteries originate from?
Profunda femoris artery
Where does the Artery to the head of the femur originate from?
Obturator artery
Damage to which artery leads to avascular necrosis of the femoral head?
Medial femoral circumflex
In posterior hip dislocations, which nerve is commonly injured?
Sciatic nerve
What happens to the affected limb in posterior dislocations?
The limb becomes shortened and medially rotated
Why does the head of femur slide upwards in congenital dislocations?
The upper margin of the acetabulum is not yet developed
Which clinical correlation is common in old age?
Femoral neck fracture
What can a femoral fracture lead to?
Vascular necrosis of the head of femur
What bounds the Poplitteal fossa lateral superiorly?
Biceps femoris
What bounds the popliteal fossa lateral inferiorly?
Gastrocnemius and plantar muscle
What bounds the poplitteal fossa medial superorly?
The semitendinosus and semimembranosus
What bounds the poplitteal fossa medial inferiorly?
The medial head of gastrocenmius
Where does the Popliteal artery begin?
As a continuation of the femoral artery at the adductor hiatus
What is the deepest structure of the popliteal fossa?
Popliteal artery
Where does the popliteal artery and divide into?
Lower border of popliteus muscle, into both anterior and posterior tibial arteries
