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Knee Complex > Knee > Flashcards

Knee Flashcards

1
Q

The knee works in combination with the ____ and ___ in a closed kinetic chain

A

Ankle, Hip

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2
Q

The knee is made up of what 2 joints?

A

Tibiofemoral and Patellofemoral joints

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3
Q

How many capsules are the knee enclosed in?

A

One

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4
Q

What is the knee enclosed by?

A

A capsule

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5
Q

The apex of the patella is at which end?

A

Inferior

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6
Q

What is found on the posterior surface of the patella?

A

Hyaline cartilage

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7
Q

What nerve is found near the fibula?

A

Peroneal nerve

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8
Q

The tibiofemoral joint is what type of joint?

A

Double modified hinge joint

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9
Q

Why is the tibiofemoral joint a double modified hinge joint?

A

Double- 2 condyles
Modified- rotates slightly when knee is flexed
Hinge- One direction

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10
Q

What separates the tibia on the proximal anterior surface?

A

intercondylar notch or fossa

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11
Q

What is the articular surface called on the femur at the tibiofemoral joint?

A

Convex

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12
Q

What is the name of the surface of the tibia at the tibiofemoral joint?

A

Concave

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13
Q

Which tibial condyle is larger?

A

Medial is 50% larger than lateral

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14
Q

What is the menisci in the knee made of?

A

fibrocartilaginous disks

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15
Q

What are the 4 functions of menisci?

A

1- increase concavity of tibia
2- increase joint congruency
3- distribute forces
4- reduce friction

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16
Q

In a valgus Q angle, is the medial or lateral part of the leg compressed?

A

Lateral

17
Q

In a vargus position, which side is compressed and which side is stretched?

A

Medial is compressed and lateral is stretched

18
Q

Which position sets you up for an ACL tear?

A

Valgus

19
Q

Even with the menisci, the structure of the knee joint must heavily depend on what for support?

A

Capsule and ligaments

20
Q

Do muscles help in knee structure?

A

They do but can not create enough stability themselves alone

21
Q

Which capsular ligament is injured with valgus force?

A

MCL

22
Q

Which ligament resists anterior displacement of the tibia and helps limit rotation?

A

ACL

23
Q

Which ligament prevents posterior displacement of tibia?

A

PCL

24
Q

Which ligament is injured during vargus force?

A

LCL

Knee Complex (1 decks)

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