pelvis and hip joint Flashcards

1
Q

what three bones fuse at the acetabulum?

A

the ischium, ileum and pubis

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2
Q

what is the hip joint?

A

ball and socket joint

between head of femur and acetabulum of the innominate bone

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3
Q

what is normally classified as a hip fracture?

A

a fractured neck of femur

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4
Q

what type of hip dislocation causes the limb to appear shorter and internally rotated?

A

posterior dislocation - impact on hip when hip is flexed, internally rotated and adducted - seated position

may result in sciatic nerve injury

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5
Q

what is anterior dislocation of the hip?

A

occurs when force is applied during extreme abduction with external rotation of the hip

femoral head is levered out anteriorly
limb appears externally rotated, abducted and flexed

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6
Q

what is DDH?

A

developmental dysplasia of the hip
congenital abnormality
ball is no longer centred in the socket - most cases femur out of socket

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