Knee and P-F Joint

Question 1

Rotation of knee joint only occurs in?

Answer 1

knee flexion

Question 2

knee closed pack position?

Answer 2

Extension

Question 3

Bursa in the knee does what with joint cavity?

Answer 3

communicates

Question 4

ligaments and menici are reinforced by?

Answer 4

powerful muscles

Question 5

Which condyle is longer on the femur? tibia?

Answer 5

medial both tibia and femur

Question 6

knee screw home mechanism is active or passive?

Answer 6

passive

Question 7

when does knee screw home mechanism occur? where abouts does it occur?

Answer 7

last 15-20 degrees extension

occurs about a tight ACL

Question 8

What muscle ‘unlocks’ knee joint from extension?

Answer 8

Popliteus

Question 9

Capsule incorporates which joint?

Answer 9

Patello-femoral joint

Question 10

Cruciates are located where capsularly and articularly?

Answer 10

Intracapsular

extrasynovial

Question 11

Patellar tendon has 2 flanking structures called?

Answer 11

retinacular fibres

Question 12

What is the largest bursa in the body?

Answer 12

supra-patellar bursa, communicates with joint space

Question 13

2 bursa in posterior knee? what happens with inflammation?

Answer 13

Popliteus Bursa
Semimembranosous Bursa
Baker’s Cyst

Question 14

Pes Anserinus is?

Answer 14

Sartorius
Gracilis
Bursa
semiTendinosus

Question 15

3 other knee bursae? communicating?

Answer 15

1. prepatellar
2. superficial infrapatellar
3. deep infrapatellar
   All non-communicating

Question 16

What produces posterior shear force on tibia reducing strain on ACL?

Answer 16

Hamstrings

Question 17

ACL injured when what rotation happens?

Answer 17

lateral rotation in extension (plant and twist)

Question 18

PCL prone to injury when?

Answer 18

fall on flexed knee

bumper bar impact

Question 19

MCL deep part blends with 2 things?

Answer 19

1. capsule

2. medial meniscus

Question 20

MCL resists two movement directions:

Answer 20

1. valgus

2. anterior displacement

Question 21

LCL is separated from lateral meniscus by what?

Answer 21

politeus tendon

Question 22

Menisci are made out of?

Answer 22

fibro-cartilage

Question 23

Functions of menisci? 2?

Answer 23

1. shock absorb

2. weight distribution

Question 24

menisci have synovium?

Answer 24

only periphery

within synovial cavity

Question 25

how do you get locked knee?

Answer 25

Medial mesniscus tear

Question 26

Patellofemoral joint maintained by 3 structures:

Answer 26

1. vastus médiales oblique
2. medial patellar retinaculum
3. raised lip on lateral femoral condyle

Question 27

mechanical tracking problem leads to what in patella?

Answer 27

chondromalacia patella

Question 28

What is Q angle?

Answer 28

angle beterrn tendon of quads and patellar tendon