lower centering

Question 1

Toes
AP

Answer 1

1 inch proximal to MTP joint

*3rd MTP joint

Question 2

Toes
AP axial

Answer 2

1 inch proximal to MTP joint

*15 degrees
*3rd MTP joint

Question 3

Toes
Oblique

Answer 3

1 inch proximal to MTP joint

*3 MTP joint
*rotate 30-45 degrees

Question 4

toes
LAT

Answer 4

1 inch proximal to MTP joint

*at PIP joint
*1-2 toes turn medially
*3-5 turn latterly

Question 5

Sesamoids

Lewis Method
and holly

Answer 5

• 3x3

(centering)
* tangential to first MTP

Question 6

foot
AP

Answer 6

1 inch on all side of the foot

*base of 3 meta tarsal

Question 7

foot
AP axial

Answer 7

1 inch on all side of the foot

*base of 3 meta tarsal
*10 degree angle

Question 8

foot
oblique

Answer 8

1 inch on all sides

(centering)
*base of 3 meta tarsal
*rotate foot 30 degrees

Question 9

Foot AP
weight bearing

where do we measure to for the SID

Answer 9

10x12

• base of 3 metatarsal (both feet)
  *angle 10 or 15
  (10 is preferred but do 15 if they can’t stand straight)

SID is 48

we measure to the floor

Question 10

foot
LAT

Answer 10

*1 inch on all sides
*1 inch proximal to medial malleolus

base of 3 metatarsal

Question 11

calcaneus
plantar dorsal

Answer 11

*entering the plantar surface near the base of 3rd MT
*40 degrees cephalad

*1 inch on all side from calcaneus
*include 5 metatarsal base (tuberosity)

Question 12

calcaneus
dorsal plantar

tell me about the position of the patient

Answer 12

*40 degrees caudad
*entering dorsal surface of ankle joint

*1 inch on all side from calcaneus
*include 5 metatarsal base (tuberosity)

elevate foot so itis at the very top of the IR

use sand bag but make sure they are not in the light field

Question 13

(OS CALCIS)

LAT

Answer 13

(centering)
*at the subtalar joint.
*1 inch distal to medial malleolus

(collimation)
*1 inch above and below the heel
*Include medial malleolus and base of the fifth metatarsal