and CORRECT Answers
Is AVN another way of describing osteonecrosis? - CORRECT ANSWER - Yes
What does AVN stand for? - CORRECT ANSWER - avascular necrosis
A varus (coxa vara) neck angle would be anything over 135°.. (T/F) - CORRECT
ANSWER - False
Describe a valgus (coxa valga) neck angel - CORRECT ANSWER - Anything about 135°
3 aspects of Dorr Femoral Classification - CORRECT ANSWER - 1. Champagne flute
2. Taper
3. Stove Pipe
If the labrum is suspected to have a tear, what type of diagnostic imaging is the surgeon likely to
order? - CORRECT ANSWER - MRI
Which ways are hips being pulled? - CORRECT ANSWER - Laterally
Medially
Superiorly
Protrusio - CORRECT ANSWER - Goes behind the pelvic wall
congenital - CORRECT ANSWER - Born with
, Max length to stretch the hip vertically is __mm due to the siatic nerve. - CORRECT
ANSWER - 20 mm
Offset is movement in the ___________ plane - CORRECT ANSWER - Horizontal
Leg length movement is in the _________ plane - CORRECT ANSWER - Vertical
120°-135° _____ neck angel - CORRECT ANSWER - Neutral
What type of bone (quality) do younger patients typically have? - CORRECT ANSWER -
Type A
What type of bone (quality) do elderly patients typically have? - CORRECT ANSWER -
Type C
Having modular head implants offers the ability to adjust femoral offset and leg length..... (T/F) -
CORRECT ANSWER - True
Name 2 other ways to adjust and dial-in femoral offset and leg length. - CORRECT
ANSWER - Head length
Stem position
What is the name for a femoral head that has added material for additional leg length? -
CORRECT ANSWER - Skirt
2/3 ABductor
1/3 ADductor - CORRECT ANSWER - Joint reaction force
Father of THA - CORRECT ANSWER - Sir John Charnley