lower extremity

Question 1

Knee views

Answer 1

• AP- int rot foot, CR 1/2inch below patella
• Obl- int rot 45deg, CR 1/2in below patella, 5deg cephalad
• lateral- knee flexed 30 deg, CR 1/2in below patella, 5def cephalad

Question 2

ankle views

Answer 2

• AP- line thru mallelous and slight int rot of foot
• OBL- 45 int rotation, line thru medial mallelous, dorsiflex
• lateral- lateral mallelous

Question 3

foot views

Answer 3

-AP- line thru medial metatarsal
-OBL- have foot at 45 deg
lateral- medial side on light

Question 4

hip views

CR

Answer 4

• AP (turn foot 15deg inward) CR-trochanter and 1in medial to ASIS)
• frog leg lateral (ballet foot) CR-bisection ASIS and pubic symph

Question 5

femur views

Answer 5

• 14X17
• AP (joint of interest) foot 15 internal rotate CR- 2 in above trochanter and 2 in below knee , CR in middle
• lateral (show knee) CR- bisecting epicondyles, and 2 in below knee

Question 6

tib/fib views

Answer 6

14X17

• AP- diagonally, CR right down shaft
• lat-

Question 7

calcaneous views

Answer 7

• semi-axial- use band to dorsiflex foot, CR 30deg cephalic to 3rd metatarsal
• lateral- CT 1/2in below mallelous