Positions of the Hand

Question 1

How many bones total in the hand?

Answer 1

27 bones

Question 2

How many phalanges are there?

Answer 2

14 (proximal, middle, distal)

Question 3

How many metacarpal bones are there?

Answer 3

5

Question 4

How many carpal bones are there? Name them all.

Answer 4

There are 8
1. Scaphoid
2. Lunate
3. Trapezium
4. Pissform
5. Triquetrum
6. Trapezoid
7. Capitate
8. Hamate

Question 5

What are the 2 fat pads of the wrist?

Answer 5

1. Scaphoid
2. Pronator Quadrature

Question 6

What are the general hand rules for positioning?

Answer 6

1. Seat the patient parallel to the end of the x-ray table
2. Use half apron over gonads
3. Arm bent 90 degrees at elbow or straight out

Question 7

What are the 7 things you should review after your image is taken?

Answer 7

PACEMAN
1. Positioning
2. Area/anatomy
3. Collimation/CR/CP
4. Exposure criteria
5. Correct markers
6. Aesthetics
7. Name

Question 8

Name the most lateral carpal bones

Answer 8

Scaphoid and Trapezium

Question 9

Name the most medial carpal bones

Answer 9

Hamate, triquetrum, pisiform

Question 10

What are the 3 interphalangeal joints?

Answer 10

1. IP-interphalangeal (for thumb)
2. PIP-proximal interphalangeal joint
3. DIP-distal interphalangeal joint

Question 11

Where are the sesamoid bones located on the hand?

Answer 11

The distal end of the first metacarpal (close to MCP joint)