Knee and Hip Ligaments

Question 1

C-shaped Meniscus?

Answer 1

Medial Meniscus

Question 2

O-shaped Meniscus?

Answer 2

Lateral Meniscus

Question 3

What does the Medial Meniscus attach to?

Answer 3

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

Question 4

What does not the Lateral Meniscus attach to?

Answer 4

Does not attach to collateral or capsular ligaments

Question 5

What does the Lateral Meniscus attach to?

Answer 5

Attaches to the Arcuate Ligament and Popliteus Muscle

Question 6

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

Answer 6

70

Question 7

Menisci facilitates what?

Answer 7

Knee joint stability during motion

Question 8

What are the primary knee ligaments?

Answer 8

ACL
PCL
MCL
LCL

Question 9

What does the ACL do?

Answer 9

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

Question 10

What does the PCL do?

Answer 10

Checks posterior tibial shear

Question 11

What does the MCL do?

Answer 11

Checks tibial abduction (valgus force), External rotation

Question 12

What does LCL do?

Answer 12

Checks tibial adduction (varus force), Internal rotation

Question 13

Anteromedial bundle is tighter in ______.

Answer 13

flexion

Question 14

Posterolateral bundle is tighter in ______.

Answer 14

extension

Question 15

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

Answer 15

75

90

Question 16

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

Answer 16

85

100

Question 17

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

Answer 17

55

increases

Question 18

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

Answer 18

50

valgus

Question 19

How many anterior bursa of the knee?

Answer 19

4

Question 20

How many posterior bursa of the knee?

Answer 20

3

Question 21

How many medial bursa of the knee?

Answer 21

1

Question 22

Name the anterior bursa of the knee.

Answer 22

Suprapatellar
Prepatellar
Subcutaneous Infrapatellar
Deep Infrapatellar

Question 23

Name the posterior bursa of the knee.

Answer 23

Popliteus
Semimemranosus
Gastrocnemius

Question 24

What is the Medial Bursa of the knee?

Answer 24

Pes Anserine

Question 25

What three muscles make up the Pes Anserine?

Answer 25

Sartorius Gracilis Semitendinosus

Question 26

Other Knee Ligaments?

Answer 26

``` Oblique Popliteal Arcuate Popliteal Posterior Meniscofemoral (Wrisberg) Anterior Meniscofemoral (Humphrey) Posterior Ligament Transverse Ligament Coronary Ligament Patellar Ligament ```

Question 27

What are the hip ligaments?

Answer 27

Iliofemoral Pubofemoral Ischiofemoral

Question 28

One of the strongest ligaments in the body?

Answer 28

Iliofemoral

Question 29

What does the Iliofemoral ligament do?

Answer 29

Resists extension and internal rotation

Question 30

What does the Pubofemoral ligament do?

Answer 30

Resists abduction and external rotation

Question 31

What does the Ischiofemoral ligament do?

Answer 31

Resists extension and internal rotation

Question 32

How many muscles are innervated by the Radial Nerve?

Answer 32

13

Question 33

How many muscles are innervated by the Median Nerve?

Answer 33

11

Question 34

How many muscles are innervated by the Ulnar Nerve?

Answer 34

10

Question 35

What group of muscles originates on the Lateral Epicondyle?

Answer 35

Extensors

Question 36

What group of muscles originates on the Medial Epicondyle?

Answer 36

Flexors