AP Elbow

Question 1

Name the 3 fat pads in the elbow. Where are they located?

Answer 1

Posterior(back of humerus), anterior(front of humerus), supinator(above radius)

Question 2

Which image will these fat pads be demonstrated?

Answer 2

Lateral view

Question 3

What could cause these fat pads to be displaced (name 2 causes)?

Answer 3

Fluid from injury in joint pushes them out, mispositioning

Question 4

How should the humeral epicondyles be positioned in relation to the IR for a properly positioned AP projection?

Answer 4

Parallel to IR

Question 5

How should the hand be positioned?

Answer 5

Supinated

Question 6

What is the CR location?

Answer 6

Elbow joint

Question 7

If the elbow joint is closed and there is foreshortening of the radius/ulna or Humerus, what error occurred?

Answer 7

Arm is flexed

Question 8

How much of the proximal radius & ulna and distal Humerus be demonstrated?

Answer 8

3”

Question 9

In a properly positioned AP, how should the radial head, neck, and tuberosity be demonstrated?

Answer 9

They should be slightly overlapping proximal ulna

Question 10

When evaluating your image, you notice that the radial head, neck, and tuberosity are completely free of superimposition. What error occurred (if any)?

Answer 10

Rotated laterally

Question 11

When evaluating your image, you notice that the radial head and neck are completely superimposed over the ulna. What error occurred (if any)?

Answer 11

Rotated medially