Femur, Knee

Question 1

Name letter “A”

Answer 1

Femur

Question 2

Name letter “B”

Answer 2

Patella

Question 3

Name letter “C”

Answer 3

Lateral epicondyle

Question 4

Name letter “D”

Answer 4

Lateral condyle

Question 5

Name the letter “E”

Answer 5

Lateral tibial plateau

Question 6

Name letter “F”

Answer 6

Intercondylar eminence

Question 7

Name letter “G”

Answer 7

Head of fibula

Question 8

Name letter “H”

Answer 8

Tibia

Question 9

Name letter “I”

Answer 9

Fibula

Question 10

When measuring ASIS for knee projections, what is the central ray angle at 18 cm and below?

Answer 10

5°-7° Caudad

Question 11

When measuring ASIS for knee projections, what is the central ray angle at 19-24 cm?

Answer 11

Perpendicular

Question 12

When measuring ASIS for knee projections, what is the central ray angle at 25 cm and above?

Answer 12

5°-7° cephalad

Question 13

Where do you center for an AP knee projection?

Answer 13

Appoint 1/2 inch inferior to patellar apex

Question 14

What is the IR size and orientation for an AP knee projection?

Answer 14

10 X 12
Lengthwise

Question 15

What is the SID for AP knee projection?

Answer 15

40 inch

Question 16

True or false

The IR is placed on the table top

Answer 16

False. It is placed in the Bucky.

Question 17

Evaluation criteria for AP knee

Answer 17

-Entire knee without rotation
-Femoral condyles symmetric and tibia intercondylar eminence centered
-Slight super imposition of the fibular head if the tibia is normal
-Patella completely super imposed on the femur
-Open for femorotibial joint space, with interspaces of equal width on both sides if knee is normal

Question 18

How much do you flex the knee for a lateral knee projection?

Answer 18

20°–30°

Question 19

Where is the central ray for a lateral knee projection?

Answer 19

Directed to the knee joint 1 inch distal to medial epicondyle and an angle of 5-7° cephalad

Question 20

In the lateral recumbent position (for lateral knee), the medial condyle is slightly inferior to the ____________.

Answer 20

Lateral condyle

Question 21

In the lateral projection of the knee, the patella is ______________.

Answer 21

In profile

Question 22

In a lateral knee projection, the femoral condyles should be ________________.

Answer 22

Superimposed

Question 23

What is the result of overrotation toward the IR for a lateral knee?

Answer 23

The anterior surface of medial condyle is closer to patella

Question 24

What is the result from under rotation away from the IR for a lateral knee?

Answer 24

The anterior surface of medial Condi is farther from patella

Question 25

What is the results from insufficient cephalad central right angle in a lateral knee projection?

Answer 25

The inferior surface of medial condyle Caudal to lateral condyle

Question 26

What is the result of too much cephalad central right angle in lateral knee projection?

Answer 26

The inferior surface of lateral condyle Caudal to medial condyle

Question 27

Why do we do the AP knee weight-bearing method standing projection?

Answer 27

They found that a weight-bearing study often reveals narrowing of a joint space that appears normal on a non-weight-bearing study

Question 28

How far do you rotate the extremity for an AP oblique medial rotation of the knee projection?

Answer 28

45°

Question 29

Where is the central ray directed for an AP oblique medial rotation of the knee projection?

Answer 29

1/2 inch inferior to patellar Apex

Question 30

Evaluation criteria for AP oblique knee with medial rotation

Answer 30

-Posterior tibia -Lateral condyles of the femur and tibia -Both tibial plateau’s -Margin of the patella projecting slightly beyond the medial side of the femoral condyle

Question 31

Why do we do the Holmblad method?

Answer 31

To see intercondylar fossa

Question 32

What is the name of this projection?

Answer 32

Holmblad method

Question 33

What is the degree angle of the femur to the IR for the Holmblad method?

Answer 33

70°

Question 34

Why do we do the Camp–Coventry method?

Answer 34

To open intercondylar fossa

Question 35

What is the name of this method?

Answer 35

Béclère Method.

Question 36

Why do we do the Béclère method?

Answer 36

To see the intercondylar fossa

Question 37

True or false A PA projection of the patella can be done

Answer 37

True

Question 38

Why do we do the lateral projection with mediolateral rotation of the patella?

Answer 38

To see open patellofemoral joint space

Question 39

What is the name of this method and why do we do it?

Answer 39

Hughston Method. To see the patella in profile.

Question 40

What is another name for the sunrise method?

Answer 40

Settegast method

Question 41

What is the patient position for the sunrise method?

Answer 41

Seated or laying down