Tib-Fib/Knee/Distal Femur

Question 1

What is the weight bearing bone of the lower leg?

Answer 1

Tibia

Question 2

The proximal end of the tibia slopes posteriorly how many degrees?

Answer 2

10 - 20 degrees

Question 3

Separation of the tibial tuberosity from the body of the tibia is called?

Answer 3

Osgood-Schlatter’s Disease

Most commonly in boys ages 10-15

Question 4

The lateral malleolus lies how many degrees more posterior than the medial malleolus?

Answer 4

15 - 20 degrees

Question 5

The apex of the patella lies where?

Answer 5

Lies 1/2 inch above the knee joint

Question 6

Patella articulates with what bone(s)?

Answer 6

Only articulates with the femur

Question 7

The largest and strongest bone in the body is?

Answer 7

Femur

Question 8

The medial condyle of the femur extends lower than the lateral condyle by how many degrees?

Answer 8

5 - 7 degrees

Question 9

Intercondylar Sulcus is another name for?

Answer 9

Patellar Surface/Anterior Surface of the femur

Question 10

Adductor Tubercle is located where?

Answer 10

Located on the posterolateral aspect of the medial condyle of the distal femur

Question 11

Ankle Mortise Joint is classified as?

Answer 11

Synovial, Hinge Joint

Question 12

Distal Tibiofibular Joint is classified as?

Answer 12

Fibrous, Syndesmosis Joint

Question 13

Proximal Tibiofibular Joint is classified as?

Answer 13

Synovial, Gliding Joint

Question 14

Patellofemoral Joint is classified as?

Answer 14

Synovial, Gliding Joint

Question 15

Femorotibial Joint is classified as?

Answer 15

Synovial, Hinge (Modified) Joint

*This is the main joint of the knee

Question 16

What ligaments stabalize and attach to the intercondylar eminence of the knee?

Answer 16

Cruciate Ligaments

*Restricts anterior and posterior movement

Question 17

What ligaments restrict adduction and abduction movements of the knee?

Answer 17

Collateral Ligaments

Question 18

What is the largest joint space in the body?

Answer 18

Knee Joint

Question 19

What acts as shock absorbers in the knee?

Answer 19

Menisci

Question 20

What is used to visualize a torn meniscus?

Answer 20

MRI or Knee Arthrogram

Question 21

If the knee is clipped for a Tib/Fib what should be done to complete the exam?

Answer 21

Shoot an additional AP Knee

Question 22

True or False.

A fracture of the distal tibia can indicate a fracture of the proximal fibula?

Answer 22

True

Question 23

What projection best shows the patella towards the tibia?

Answer 23

Medial Oblique Knee

Question 24

The mediolateral knee projection has a 5-7 degree cephalic angle; where is the CR placed at?

Answer 24

1 inch distal to the medial epicondyle

* Knee is flexed at 20 - 30 degrees

Question 25

Once the tube angle matches the leg for an Axial Patella projection, the tube then decrease by what?

Answer 25

The tube decrease (Caudally) by 15 - 20 degrees

Question 26

What projection will provide good visualization of a vertical fracture of the patella?

Answer 26

Axial Patella ( Sunrise, Sunset, Settegast, Skyline)

Question 27

A flattened, triangular-shaped notch on the distal tibia articulates with the distal fibula is called what?

Answer 27

Fibular Notch

Question 28

What assists in identifying over or under rotation on a lateral knee x-ray?

Answer 28

Adductor Tubercle

Question 29

A flattened, triangular-shaped notch on the distal tibia articulates with the distal fibula is called what?

Answer 29

Fibular Notch

Question 30

What assists in identifying over or under rotation on a lateral knee x-ray?

Answer 30

Adductor Tubercle