LRA-219 Week 2 Extra

Question 1

what’s the function of the tibia?

Answer 1

weight bearing bone of the lower leg

Question 2

osgood Schlatter disease

Answer 2

• a condition where the tibial tuberosity separates from the body of the tibia
• occur in younger people

Question 3

whats the function of the patella?

Answer 3

serves to protect the anterior aspect of the knee joint

Question 4

what 2 ligaments does the knee joint rely on for stability?

Answer 4

depends on the posterior collateral ligament (PCL) and the anterior collateral ligament (ACL) for stability

Question 5

collateral ligament

Answer 5

• strong bonds on the side of the knee
• prevents adduction and abduction movements in the knee

Question 6

cruciate ligament

Answer 6

• strong cords that cross each other
• stabilize the knee by preventing anterior and posterior movement

Question 7

true or false: the proximal fibula is NOT part of the knee joint

Answer 7

true

Question 8

the border of the tibia is also known as the-

Answer 8

shin

Question 9

when does the patella become loose/movable?

Answer 9

when the leg extends

Question 10

patellar ligament

Answer 10

• maintains the integrity of the knee

Question 11

infrapatellar fat pad

Answer 11

• protect the anterior aspect of the knee joint

Question 12

bursa

Answer 12

sac like structure filled with lubricating synovial fluid

Question 13

true or false: the articular cavity of the knee is the largest in the body

Answer 13

true

Question 14

true or false: the synovial joint enclosed in an articular capsule/bursa

Answer 14

true

Question 15

define menisci

Answer 15

• articular disk
• crescent shaped fibrocartilage disk

Question 16

whats the purpose of the menisci

Answer 16

• they act as shock absorbers to reduce some of the direct impact and stress that occurs at the knee joint

Question 17

what does the menisci produce

Answer 17

they produce synovial fluid, lubricating the ends of the femur and tibia

Question 18

how does knee trauma occur?

Answer 18

• happen as a result of sports such as snowboarding, skiing, football, or basketball

Question 19

patellar surface

Answer 19

where the patella moves

Question 20

true or false: the patella bone is the largest sesamoid bone

Answer 20

true

Question 21

what is PCL

Answer 21

Posterior cruciate Ligament

Question 22

what is ACL

Answer 22

Anterior cruciate Ligament

Question 23

what is LCL

Answer 23

Fibular (Lateral) collateral ligament

Question 24

what is MCL

Answer 24

Tibial (Medial) collateral ligament