Upper Extremeity

Question 1

PA hand

Answer 1

Hand flat on IR
Fingers separated
Included a little radius and ulna
CR @ 3rd MCP joint

Question 2

PA oblique hand

Answer 2

45 degrees rotation
Fingers straight
CR @ 3rd MCJn
3-5 MC shafts close

Question 3

Lateral hand

Answer 3

Proximal MC’s superimposed
Fingers spread
CR @ 2nd MCP joint

Question 4

Fingers
PA, Oblique, lateral

Answer 4

Position the same as hands
FOV to include distal MC

Question 5

Thumb
AP/ PA, Oblique, lateral

Answer 5

CR @1st MCP joint
Oblique thumb = PA hand position

Question 6

Ball catche

Answer 6

Both hands
AP obliques
Fingers extended but relaxed
To evaluate for rheumatoid arthritis

Question 7

Wrist PA

Answer 7

Flex finger’s slightly to bring them flat against the IR board

Question 8

PA oblique wrist

Answer 8

45 degrees rotated
Flex fingers slightly to bring flat against IR
CR @ mid carpal region

Question 9

Wrist lateral

Answer 9

Elbow bent and level with wrist
Radius and ulna superimposed
CR @ mid carpal region

Question 10

AP forearm

Answer 10

Arm fully extended
Shoulder, elbow, and hand all in level
Hand supinated
CR is in The middle of the forarm

Question 11

Lateral forearm

Answer 11

Shoulder, elbow , and hand all in level
Elbow flexed 90 degrees
Radius and ulna superimposed

Question 12

AP elbow

Answer 12

Arm fully extended
Elbow AP
Partial overlap of radius and ulna

Question 13

External oblique elbow

Answer 13

Humerus is rotated externally 45 degrees
Capitulum in profile
No overlap of radius and ulna

Question 14

Internal oblique elbow

Answer 14

Humerus internally rotated 45 degrees
Trochlea in profile
Coronoid free and in profile

Question 15

Lateral elbow

Answer 15

Elbow 90 degrees
Wrist lateral
CR @ elbow joint

Question 16

Coyle externally

Answer 16

Alternate for external oblique
CR 45 degrees toward shoulder
90 degrees flexion of elbow
Radius projected free if ulna

Question 17

Coyle internally

Answer 17

Alternate to internal oblique elbow
CR 45 degrees away from shoulder
80 degrees Flexion of elbow
Radius projected fully of ulna

Question 18

Partial Flexion of elbow

Answer 18

When patient can’t fully extend elbow
AP proximal forearm
AP distal humerus

Question 19

AP humerus

Answer 19

Elbow AP position and externally rotated shoulder

Question 20

Lateral humerus

Answer 20

Elbow lateral and internally rotated shoulder

Question 21

AP ankle

Answer 21

kVp: 60
MAs: 2

Foot dorsiflexed @90 degrees
CR at mid malleoli
Leg AP
Half overlap of Tib-Fib

Question 22

AP mortise ankle

Answer 22

kVp: 60
mAs: 2

Foot dorsiflexed 90 degrees
Leg internally rotated 15-20 degrees

CR @joint

Slight overlap of tib fib
Both lateral & talus joints open

Question 23

Medial oblique ankle

Answer 23

kVp:60
mAs: 2

Foot dorsiflexed 90 degrees
Leg interns rotated 45 degrees
No overlap of tib fib
Lateral fibula talus joint open

Include the base of the 5h MTs

Question 24

Lateral ankle

Answer 24

kVp:60
mAs: 2

Knee level with ankle
CR @ medial malleolus

Domes of talus superimposed

Question 25

Lateral lower leg

Answer 25

IR board diagonal
CR @mid tibia
Knee and ankle lateral
Light field above patella & below lateral malleolus

Question 26

AP knee

Answer 26

kVp: 70
mAs:5

5 degree medial rotation
CR
5 degree cephalic for thick thighs and buttocks

0 degree for average buttocks

5 degree cauded for a thin buttocks

Question 27

Lateral knee

Answer 27

kVp: 70
mAs: 5

Flex knee 20-30 degrees
CR 5-7 degrees cephalic

Posterior and inferior condyles superimposed

Question 28

Internal oblique knee

Answer 28

kVp: 70
mAs: 5

45 degree medial rotation
Lateral condyle of femur in profile

Question 29

External oblique knee

Answer 29

kVp: 70
mAs:5

45 degree medial rotaion
CR 5 degree cephalic angle
Fibula will be hidden

Question 30

Weight bearing knees

Answer 30

kVp: 70
mAs: 5
No angle required

Question 31

Intercondylar fossa

Answer 31

kVp:70
mAs: 2

Knee bent 45 degrees
CR perpendicular to lower leg
Below the apex of the patella