Joints - Knee joint Flashcards

1
Q

The knee joint is the _______ and most _______ joint.

A

Largest and most complex

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2
Q

The knee joint primarily acts as a ____ joint. Meaning it is _______.

A

Hinge joint

uniaxial

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3
Q

Two _______ _____ occur within the joint cavity.

A

Fibrocartilage menisci.

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4
Q

The condyles of the _____ roll along the almost flat condyles of the _____.

A

femur

tibia

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5
Q

The knee joints performs what types of movements?

A

Flexion and extension

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6
Q

______ tendon runs through the ______ and inserts on the _____ ________.

A

Quadriceps
Patella
tibial tuberosity

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7
Q

In the knee joint, ______ prevents friction of the ______ on the _______ tendon.

A

Bursa
tibia
quadriceps

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8
Q

Two ________ ligaments called ______ ligaments are found within the knee capsule.
Cruciate means to _____.

A

Two intracapsular ligaments called cruciate ligaments are found within the knee capsule.
Cruciate means to cross.

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9
Q

The lateral ______ are on either side of the _______ ligaments.

A

Menisci

Cruciate

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10
Q

_______ floats into the quadriceps tendon.

A

Patella

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11
Q

The major ligaments of the knee joint become _____ when the knee is extended to prevent _________.

A

taut

hyperextension

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12
Q

What are the major ligaments of the knee joint?

A

Extracapsular ligaments.

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13
Q

Extracapsular ligaments, include what? What do they prevent?

A

Fibular collateral ligament (lateral)
Tibial collateral ligament (MCL) (medial)
Prevent medial/lateral movement of the leg.

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14
Q

The MCL is located on the ______.

A

tibia

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15
Q

The intracapsular ligaments are called the ________ ligaments.
They cross each other like an ___.
Each cruciate ligament runs from the _______ ____ to the _____ _____.

A

cruciate
X
proximal tibia
distal femur

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16
Q

The ACL or, ______ _____ _____ prevents ______ sliding of the _______.

A

Anterior cruciate ligament prevents anterior sliding of the tibia

17
Q

The posterior cruciate ligament prevents _______ sliding of the _____ or _______ displacement of the ______.

A

forward sliding of the femur or posterior sliding of the tibia

18
Q

Describe the stabilizing function of the cruciate ligaments?

A

Prevent anterior/posterior movement of the tibia with respect to the femur when not straight.
When straight, ligaments get tight to prevent hyperextension.

19
Q

Lateral blows to the knee can tear what?

A

Tibial collateral and medial meniscus.
ACL
i.e. lateral blows affect the medial side

20
Q

Recently, we found the ______-_____ ligament. Old surgeries would often break this.

A

Anterior-lateral ligament

21
Q

How is an ACL fixed?

A

Take tendon from hamstring, thread it through to make new ACL.

22
Q

Describe osteoarthritis.

A

Cartilage destroyed, bone on bone grinding, causes bone spurs, pieces of bone broken off with friction.

23
Q

Why is the butterfly stance problematic?

A

Acetabulum hit by the head of the femur, get bone spurs.

Also slams the medial part of the knee joint.