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27 Cards in this Set
- Front
- Back
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What type of joint is the hip structurally?
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Synovial spheroid joint
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What type of joint is the hip functionally?
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Diarthrosis; its also triplanar
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Are extracapsular ligaments tight or loose when thigh is flexed?
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loose
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What does the upper band of the iliofemoral/ligament of bigalow connect?
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Inferior part of AIIS to the superior part of the intertrochanteric line
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What does the lower band of the iliofemoral/ligament of bigalow connect?
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Inferior part of AIIS and iliac part of acetabular rim to the inferior intertrochanteric line
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What does the pupofemoral ligament connect?
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Prox to the pubic part of acetabular rim and lateral part of sup pubic ramus.
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What does the ishciofemoral ligament connect?
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Prox to ischial part of acetabular rim to hip joint capsule anteriorally
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What is the zona orbicularis?
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Ligament w/ no bony attachments.
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What does the transverse acetabular ligament make?
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Acetabular foramen
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What does ligamentum capitis femoris connect?
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Attaches prox to margins of the acetabular notch and transverse acetabular ligament to the fovea capitis femoris
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Signafance of Ligamentum teres femoris (capitis) to young children?
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the artery running thru is the primary supply to femoral head till age 3.
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Where do vessels to nourish the head and neck of the femur pass after age 3?
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Thru the retinacula.
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Fxn of acetabular labrum?
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deepen the joint to provide better fit for both bones.
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What is the glenoid labrum/acetabular labrum made of?
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fibrocartilage
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What type of joint is the hip joint? structurally?
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Synovial spheroid joint (or ball and socket)
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What planes can the hip joint move in?
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Frontal, Saggital, Transverse,
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What type of movement happens in the frontal plane?
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Abduction/Adduction
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What mvmt happens in the Saggital plane?
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Flexion extension
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What movement happens in the transverse plane?
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Internal/external rotation
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What mvmt happens in the saggital AND frontal planes?
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Circumduction; Flex/extend; abd/adduction
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When is the range for abduction greatest?
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When the femur is in lateral rotation
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What is Coxa Vara?
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When the angle between the femoral head and shaft is less than 135 degrees.
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What is Coxa Valga?
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When the angle b/t the femoral head and shaft is more than 135 degrees.
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If you have coxa valga, is the range of abduction increases or decreases from normal?
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Increased
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Is theree better contact with the head of the femur when the anteversion (angle of rotation of the head of the femur from the condyles) angle is larger or smaller?
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Smaller
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What ligament forms the acetabular foramen?
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Transverse acetabbular ligament
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What is the fxn of the acetabular labrum?
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To deepen the joint which provides a better fit at the socket
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