Pelvic Girdle - Class #3

Question 1

what is the medial, larger bone of the lower leg

Answer 1

tibia

Question 2

the second largest bone in the body is the _____

Answer 2

tibia

Question 3

which part of the tibia receives body weight when kneeling?

Answer 3

tibial tuberosity

Question 4

how can one identify the orientation of the tibia

Answer 4

1) superiorly - tibial plateau
2) anteriorly - tibial shaft
3) medially - medial malleolus

Question 5

what is the name of the lateral, smaller bone of the lower leg?

Answer 5

fibula

Question 6

the fibula bears approx ___ of body’s weight

Answer 6

1/5

Question 7

what is the better name for the knee cap?

Answer 7

patella

Question 8

what type of bone is the patella

Answer 8

sesamoid bone

Question 9

why does the lateral aspect of the patella project more anteriorly?

Answer 9

to prevent lateral dislocation

Question 10

how can you identify the orientation of the fibula

Answer 10

1) interiorly - apex

2) posteriorly - smooth surface

Question 11

what are the 4 bursa of the knee joint

Answer 11

1) prepatellar bursa
2) subcutaneous bursa
3) deep infrapatellar burssa
4) pretibial bursa

Question 12

what are the fibrocartilage discs that sit on the superior surface of the tibia?

Answer 12

meniscus

Question 13

meniscus are _____ shaped when viewed anteriorly

Answer 13

wedge

Question 14

what are two other names for meniscus

Answer 14

1) semilunar cartilage

2) intra-articular discs

Question 15

stability of a joint is dependent on what?

Answer 15

ligaments (as well as muscles and cartilage)

Question 16

what are the 4 ligaments of the knee that surround joints on all sides?

Answer 16

1) Medial Collateral Ligament (MCL)
2) Lateral Collateral Ligament (LCL)
3) Anterior Cruciate Ligament (ACL)
4) Posterior Cruciate Ligament (PCL)

Question 17

what shape is the MCL?

Answer 17

fan shaped, flat and broad

Question 18

is the MCL capsular or accessory ligament?

Answer 18

capsular and attaches to the medial meniscus

Question 19

is the LCL capsular or accessory?

Answer 19

accessory ligament (not attached to capsule or meniscus)

Question 20

where do the fibers of the ACL run?

Answer 20

up, back and lateral

Question 21

how is the ACL most often damaged?

Answer 21

cutting, or turning maneuver, landing off balance after a jump or sudden deceleration

Question 22

is the ACL capsular or accessory ligament?

Answer 22

intracapsular (found inside the joint capsule)

Question 23

where do the fibres of the PCL run?

Answer 23

up, forward and medial

Question 24

is the PCL capsular or accessory?

Answer 24

intracapsular (found inside the joint capsule)

Question 25

what are the medial and lateral sides of the knee joint capsule strengthened by?

Answer 25

fibrous extensions of the quadriceps called medial and lateral patellar retinacula

Question 26

flexion of the knee joint is limited by what

Answer 26

soft tissue block

Question 27

extension of the knee joint is limited by what?

Answer 27

hard (bone) block

Question 28

what is the "screw home mechanism"

Answer 28

rotation that occurs when the knee goes from flexion to full extension