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Anatomy > 32. Knee Joint > Flashcards

32. Knee Joint Flashcards

1
Q

What is the classification of the knee joint?

A

Modified synovial hinge joint

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2
Q

What are the 3 articulations in the knee joint?

A

Femoropatellar

x2 femorotibial

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3
Q

What does the knee capsule attach with anteriorly?

A

Quadriceps tendon
Patella
Ligamentum patellae

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4
Q

What does the knee capsule attach with posteriorly?

A

Intercondylar fossa of femur

Open posterior to lateral condyle of tibia for popliteus muscle

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5
Q

What is the name given to the fold of synovial membrane within the knee joint?

A

Infrapatellar synovial fold

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6
Q

What is the largest bursae around the knee joint?

A

Suprapatellar

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7
Q

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

A

Suprapatellar
Gastrocnemius
Semimembranosus
Popliteus

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8
Q

Name the 8 bursae around the knee joint

A 
Suprapatellar
Subcutaneous prepatellar
Subcutaneous infrapatellar
Deep infrapatellar
Gastrocnemius
Semimebranosus
Popliteus
Anserine
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9
Q

What are the 4 extracapsular knee ligaments?

A

Oblique popliteal
Arcuate popliteal
Medial collateral
Lateral collateral

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10
Q

What are the 2 intracapsular ligaments?

A

Anterior cruciate

Posterior cruciate

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11
Q

What muscle tendon does the oblique popliteal ligament expand from?

A

Semimembranosus

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12
Q

What is the function of the oblique popliteal ligament?

A

Reinforces posterior capsule

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13
Q

What muscle does the arcuate ligament course over?

A

Popliteus

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14
Q

What is the function of the arcuate ligament?

A

Strengthens posterolateral joint capsule

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15
Q

What are the attachments of the medial collateral ligament?

A

Medial epicondyle of femur

To medial condyle and superior medial surface of tibia

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16
Q

What are the attachments of the lateral collateral ligament?

A

Lateral epicondyle of femur

To lateral head of fibula

17
Q

What tendon passes immediately superficially to the lateral collateral ligament?

A

Popliteus

18
Q

Function of posterior cruciate ligament?

A

Prevents femur from sliding forwards on tibia (especially when knee is flexed)
Anterolateral band - limits flexion
Posteromedial band - limits extension

19
Q

Function of anterior cruciate ligament?

A

Prevents femur from sliding backwards on tibia
Anteromedial band - limits flexion
Posterorlateral band - limits extension

20
Q

Attachments of ACL?

A

Anterior intercondylar area of tibia

To medial side of lateral condyle of femur

21
Q

Attachments of PCL?

A

Posterior intercondylar area of tibia

To lateral side of medial condyle of femur

22
Q

What artery does the descending genicular artery branch from?

A

Femoral artery

Also branch from lateral circumflex femoral artery

23
Q

What arteries do the recurrent genicular arteries branch from?

A

Anterior and posterior tibial arteries

Anatomy (49 decks)

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