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Anatomy 2 > Knee Joint > Flashcards

Knee Joint Flashcards

1
Q

What is anterior and superior parts of the knee joint?

A

Quadriceps tendon and patellar tendon

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2
Q

What are the three separate articulations?

A

Femoropatellar and two femorotibial

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3
Q

What does not articulate with the knee joint?

A

Fibula

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4
Q

What are the capsule attachments anteriorly?

A

Fuses with quadriceps tendon, patella and ligamentum patellae

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5
Q

What are the capsule attachments posteriorly?

A

Encloses intercondylar fossa of femur; open posterior to lateral condyle of tibia for popliteus muscle

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6
Q

What covers the inner surface of the fat pads on either side of the patellar ligament?

A

Medial and lateral alar folds

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7
Q

What are synovial attachments?

A

Alar folds and Infrapatellar synovial fold

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8
Q

What are in communication with the synovial cavity of the knee joint?

A

Suprapatellar, Gastrocnemius, Semimembranosus and popliteus

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9
Q

What are the extracapsular ligaments?

A

Oblique Popliteal, Arcuate Popliteal and Medial & Lateral collateral

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10
Q

What are the intracapsular ligaments?

A

Anterior and posterior cruciate

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11
Q

What is the oblique popliteal ligament?

A

Expansion of Semimembranosus tendon which reinforces posterior capsule

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12
Q

What is the arcuate ligament?

A

Thickening of capsule over popliteus

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13
Q

What is the function of the arcuate ligament?

A

Strengthens posterolateral joint capsule

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14
Q

What is the medial collateral ligament?

A

Strong, flat thickening of capsule

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15
Q

What is the proximal attachment of the medial collateral ligament?

A

Medial epicondyle of femur

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16
Q

What is the distal attachment of the medial collateral ligament?

A

Medial condyle and superior medial surface of tibia

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17
Q

What do the deep fibres of the medial collateral ligament attach to?

A

Medial meniscus

18
Q

What is the lateral collateral ligament like?

A

Strong and cord like

19
Q

What is the proximal attachment of the lateral collateral ligament?

A

Lateral epicondyle of femur

20
Q

What is the distal attachment of the lateral collateral ligament?

A

Lateral head of fibula

21
Q

The tendon of biceps femoris is split into?

A

Two

22
Q

What are taut in every joint position?

A

Cruciate ligaments

23
Q

What do the cruciate ligaments do?

A

Maintain contact between femoral and tibial articular surfaces when knee is flexed

24
Q

When do the cruciate ligaments wind around each other?

A

During medial rotation of the tibia limited to 10 degrees

25
Q

What is the function of the posterior cruciate ligament?

A

Prevents the femur from sliding anteriorly on the tibia, particularly when the knee is flexed

26
Q

What is the function of the anterior cruciate ligament?

A

Prevents the femur from sliding posteriorly on the tibia, preventing hypertension of the knee, and limits medial rotation of the femur when the foot is planted

27
Q

What is the proximal attachment of the anterior cruciate ligament?

A

Anterior intercondylar area of tibia

28
Q

What is the distal attachment of the anterior cruciate ligament?

A

Medial side of lateral condyle of femur

29
Q

What degrees does the anterior cruciate ligament spiral through?

A

110 degrees between tibia and femur

30
Q

What does the anteriomedial band do in the anterior cruciate ligament?

A

Limits flexion

31
Q

What does the posterolateral band do in the anterior cruciate ligament?

A

Limits extension

32
Q

What is the proximal attachment of the posterior cruciate ligament?

A

Posterior intercondylar area of tibia

33
Q

What is the distal attachment of the posterior cruciate ligament?

A

Lateral side of medial condyle of femur

34
Q

Where is the posterior cruciate ligament aligned?

A

Close to centre of rotation the knee

35
Q

What does the anterolateral band do in the posterior cruciate ligament?

A

Limits flexion

36
Q

What does the posteromedial band do in the posterior cruciate ligament?

A

Limits extension

37
Q

What are menisci?

A

Wedges of fibrocartilage

38
Q

What is the function of menisci?

A

Shock absorption

39
Q

Describe medial meniscus

A

C-shaped, broad posteriorly and firmly attached to TCL

40
Q

Describe lateral meniscus

A

Circular, Freely movable and attachment of popliteus

Anatomy 2 (26 decks)

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