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Biomechanics > Knee Kinesiology > Flashcards

Knee Kinesiology Flashcards

1
Q

One of the largest complexes in the body is

A

Knee joint

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2
Q

Knee joint has 2 planes

A

Saggital- flexion and extension

Horizontal- adduction and abduction

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3
Q

Largest sesamoid bone in the body

A

Patella

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4
Q

What is the most common knee aliment in athletes

A

Patellofemoral joint

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5
Q

In antreversion of femur what is the normal posture

A

A slight genu valgum

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6
Q

Inclination and antraversion angle for genu valgum is

A

125 degree

Antreversion( 5-10)

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7
Q

In genu valgum lateral angle of knee is

A

Less than 170 degree

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8
Q

Decreased inclination and increased antreversion pertains to

A

Genu valgum

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9
Q

In genu varum the lateral angle of knee it

A

Greater than 180

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10
Q

The angle btw the vertical axis of tibia and fibula is

A

Inclination angle

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11
Q

Genu valgum and varum is caused by

A

Hip angle of inclination

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12
Q

Angle of flexion for tibio femoral flexion is

A

130-140

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13
Q

Angle of extension for tibio f femoral joint

A

(5-10) hyperextension

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14
Q

Screw home mechanisms doesn’t occur on

A

Femoral tibia

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15
Q

Causea of screw home mechanism

A

Shape of medial femoral condyle

Passive tension of the anterior crucial ligament

Lateral pull of the quadriceps muscle group

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16
Q

What muscle unlocks the screw home mechanism

A

Popliteus

Creating knee flexion and internal rotation

17
Q

Function of the medial collateral ligament

A

Checks the valgus stress and attached to meniscus

18
Q

Lateral collateral ligament

A

Checks varus stress

Blends with biceps femoris tendon

19
Q

Function of anterior cruciate ligament

A

Checks the posterior to anterior shear force

20
Q

What plane is the acl and pcl seen in

A

Saggital plane

21
Q

What is the most frequently injured ligament of the knee

A

Anterior cruciate ligament

22
Q

Knee joint alignment

A

Genu valgum and varum
Rashitisim
Blunt disease

Biomechanics (14 decks)

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