MAII: knee Flashcards

1
Q

MA II: knee

normal knee angle (lateral)

A

170-175

less than 165 = genu valgum
more than 180 = genu varum

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2
Q

MA II: knee

ACL becomes increasingly taut as the knee approaches and reaches full

A

extension

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3
Q

MA II: knee

Other functions of the PCL include acting as a secondary restraint to ______ of the tibia on the femur at 90 degrees of flexion

A

external rotation

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4
Q

MA II: knee

Other functions of the PCL include acting as a secondary restraint to ______ of the tibia on the femur at 90 degrees of flexion

A

external rotation

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5
Q

MA II: knee

As the knee extends toward 90 degrees of flexion, the primary contact region on the patella starts to migrate toward its…

A

inferior pole

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6
Q

MA II: knee

Both the ACL and PCL lie in the center of the joint, and each is named according to

A

their attachment sites on the tibia

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7
Q

MA II: knee

in open chain motions, the patella

A

slides on intercondylar groove of the femur

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8
Q

MA II: knee

Menisci are avascular except

A

the outer 1/3 or perifery

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9
Q

MA II: knee

As the knee extends through the last 20 to 30 degrees of flexion, the primary contact point on the patella migrates to its

A

inferior pole

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10
Q

MA II: knee

Because of the bony attachment of the patellar tendon to the tibial tuberosity, the patella follows the direction of the_____ during knee flexion

A

tibia

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11
Q

MA II: knee

The quadriceps (Q) angle can be described as the angle formed by the bisection of two lines, one line drawn from __________________, and the other line drawn from ____________________________ .

A
  1. the ASIS to the center of the patella
  2. the center of the patella to the tibial tubercle
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12
Q

MA II: knee

MCL provides the primary restraint for ______ and lateral rotation of the tibia, and is a secondary restraint to anterior and posterior translation of the tibia on the femur.

A

valgus

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13
Q

MA II: knee

Medial meniscus is C-shaped; it’s external border attaches to

A

MCL

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14
Q

MA II: knee

Lateral meniscus is circular shape and attaches only to

A

the lateral capsule

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