Ankle Flashcards
Projections
ROUTINE
AP
Lateral
ADDITIONAL
Mortis AP (15-20° medial rotation)
Subtalar joints
Calcaneus
MODIFIED
HBL
Room prep
Correct patient & projection selected on the control panel
IR in table (without grid) or ontop of table
Patient prep
ID
Clarification of clinical details
Explanation of procedure
Informed consent obtained
LMP not applied
Socks shoes & jewellery removed
AP
POSITIONING
Affected leg fully extended, posterior aspect on IR
Foot dorsi flexed 90°
Internally rotated bringing medial & lateral malleoli equidistant from IR
CENTRING POINT
Midway between medial & lateral malleoli
COLLIMATION
Distal 1/3 of tib & fib superiorly, talus inferiorly, lateral STB
Lateral
POSITIONING
Leg externally rotated, medial & lateral malleoli superimposed - foot dorsi flexed 90° - pad support
CENTRING POINT
Over medial melleolus
COLLIMATION
Distal 1/3 tib & fib, calcaneum inferiorly, base of 5th metatarsal laterally & STB