Hand, wrist, and forearm Essential projections

Question 1

Essential Projections for digits 2-5

Answer 1

PA
Lateral
PA Oblique

Question 2

Collimation for digits 2-5

Answer 2

1 inch on all sides of the digit with 1 inch proximal to the MCP joint

Question 3

Where does the central ray enter on digits 2-5?

Answer 3

At the PIP joint of the affected digit

Question 4

Essential projections of the thumb

Answer 4

AP
Lateral
PA Oblique

Question 5

Collimation for the thumb

Answer 5

1 inch on all sides and 1 inch proximal to the CMC joints

Question 6

Where does the central ray enter for the thumb?

Answer 6

Perpendicular to the MCP joint

Question 7

Essential projections of the hand

Answer 7

PA
Lateral
PA Oblique

Question 8

Collimation for the hand

Answer 8

1 inch on all sides of hand including 1 inch proximal to ulnar styloid

Question 9

Where does the central ray enter for the hand?

Answer 9

Perpendicular to the third MCP joint

Question 10

What are the two types of lateral projections for the hand?

Answer 10

Fan lateral and true lateral

Question 11

Essential projections of the wrist

Answer 11

PA
Lateral
PA Oblique
PA ulnar deviation
PA axial
Tangential

Question 12

Collimation for the wrist

Answer 12

2.5 inches proximal and distal to the wrist joint and 1 inch on the sides

Question 13

What projection is the Stecher method?

Answer 13

PA Axial

Question 14

What projection is the Gaynor hart method?

Answer 14

Tangential

Question 15

Evaluation criteria for the PA Digits 2-5

Answer 15

Open IP and MCP joint spaces

Entire digit from fingertip to distal portion of adjoining metacarpal

Question 16

Evaluation criteria for the Lateral Digits 2-5

Answer 16

No obstruction of the proximal phalanx

Open IP joint sppaces

Question 17

Evaluation criteria for the PA Oblique digits 2-5

Answer 17

45 degree rotation

open IP and MCP joint spaces

Question 18

Evaluation criteria for the AP, PA, and Lateral Thumb

Answer 18

distal tip of thumb to trapezium

Open IP and MCP joitns

Question 19

Evaluation criteria for the PA Oblique Thumb

Answer 19

Distal tip of thumb to Trapezium
Proper rotation
Open IP and MCP joints

Question 20

Evaluation criteria for the PA Hand

Answer 20

fingertips to distal Ulna and Radius

Open MCP and IP Joints

Question 21

Evaluation criteria for the Oblique Hand

Answer 21

45 degree rotation
fingertips to distal radius and ulna
no soft tissue overlap
open MCP joints

Question 22

Evaluation criteria for the lateral hand

Answer 22

fingertips to ditsal radius and ulna
extended digits
superimposed distal radius and ulna
thumb free of motion and superimposition

Question 23

Evaluation criteria for the PA Wrist

Answer 23

Distal radius and ulna
proximal half of metacarpals
no rotation in carpals, metacarpals, radius, and ulna
open radioulnar joint space

Question 24

Evaluation criteria for the Lateral wrist

Answer 24

Distal radius and ulna
proximal half of metacarpals
Superimposed radius and ulna
Superimposed metacarpals

Question 25

Evaluation criteria for the PA Oblique Wrist

Answer 25

45 degree rotation
Carpals on lateral side of wrist
Trapezium and distal scaphoid without superimposition