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Anatomy > Knee and Hip Ligaments > Flashcards

Knee and Hip Ligaments Flashcards

1
Q

C-shaped Meniscus?

A

Medial Meniscus

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2
Q

O-shaped Meniscus?

A

Lateral Meniscus

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3
Q

What does the Medial Meniscus attach to?

A

Attached to the MCL and the posterior horn is attached to the semimembranosus vis the capsule

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4
Q

What does not the Lateral Meniscus attach to?

A

Does not attach to collateral or capsular ligaments

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5
Q

What does the Lateral Meniscus attach to?

A

Attaches to the Arcuate Ligament and Popliteus Muscle

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6
Q

Menisci carry up to ___% of the load on the Tibia.

A

70

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7
Q

Menisci facilitates what?

A

Knee joint stability during motion

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8
Q

What are the primary knee ligaments?

A

ACL
PCL
MCL
LCL

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9
Q

What does the ACL do?

A

Checks anterior tibial shear and internal rotation of the Femur (or external rotation of the Tibia)

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10
Q

What does the PCL do?

A

Checks posterior tibial shear

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11
Q

What does the MCL do?

A

Checks tibial abduction (valgus force), External rotation

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12
Q

What does LCL do?

A

Checks tibial adduction (varus force), Internal rotation

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13
Q

Anteromedial bundle is tighter in ______.

A

flexion

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14
Q

Posterolateral bundle is tighter in ______.

A

extension

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15
Q

ACL handles up to ___% of anterior tibial force at full extension and up to ____% at knee flexion.

A

75

90

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16
Q

PCL handles between ___ and ____% of posterior tibial force at both 30 and 90 degrees of flexion.

A

85

100

17
Q

LCL handles approx ____% of varus force at full extension and ______ with flexion.

A

55

increases

18
Q

MCL handles up to ___% of the _____ load on the knee.

A

50

valgus

19
Q

How many anterior bursa of the knee?

A

4

20
Q

How many posterior bursa of the knee?

A

3

21
Q

How many medial bursa of the knee?

A

1

22
Q

Name the anterior bursa of the knee.

A

Suprapatellar
Prepatellar
Subcutaneous Infrapatellar
Deep Infrapatellar

23
Q

Name the posterior bursa of the knee.

A

Popliteus
Semimemranosus
Gastrocnemius

24
Q

What is the Medial Bursa of the knee?

A

Pes Anserine

25
Q

What three muscles make up the Pes Anserine?

A

Sartorius
Gracilis
Semitendinosus

26
Q

Other Knee Ligaments?

A 
Oblique Popliteal
Arcuate Popliteal
Posterior Meniscofemoral (Wrisberg)
Anterior Meniscofemoral (Humphrey)
Posterior Ligament
Transverse Ligament
Coronary Ligament
Patellar Ligament
27
Q

What are the hip ligaments?

A

Iliofemoral
Pubofemoral
Ischiofemoral

28
Q

One of the strongest ligaments in the body?

A

Iliofemoral

29
Q

What does the Iliofemoral ligament do?

A

Resists extension and internal rotation

30
Q

What does the Pubofemoral ligament do?

A

Resists abduction and external rotation

31
Q

What does the Ischiofemoral ligament do?

A

Resists extension and internal rotation

32
Q

How many muscles are innervated by the Radial Nerve?

A

13

33
Q

How many muscles are innervated by the Median Nerve?

A

11

34
Q

How many muscles are innervated by the Ulnar Nerve?

A

10

35
Q

What group of muscles originates on the Lateral Epicondyle?

A

Extensors

36
Q

What group of muscles originates on the Medial Epicondyle?

A

Flexors

Anatomy (12 decks)

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