CALCANEUS

Question 1

PP: Supine/Seated; leg fully extended; dorsiflex foot w/ strip of gauze; foot ┴ to IR

RP: 3rd MT base

CR: 40o cephalad

SS: Calcaneus & subtalar joint

Answer 1

AXIAL PROJECTION

Plantodorsal

Question 2

PP: Prone; ankle elevated; dorsiflex ankle; foot ┴ to IR; IR vertical

RP: Dorsal surface of ankle joint

CR: 40o caudad

SS: Calcaneus, subtalar joint & sustentaculum tali

Answer 2

AXIAL PROJECTION
Dorsoplantar

Question 3

PP: Upright; posterior surface of heel at edge of IR; opposite foot one step forward

RP: Level of 5th MT base

CR: 45o anteriorly

SS: Calcaneotalar coalition

Answer 3

LILIENFELD METHOD

WEIGHT-BEARING COALITION DORSOPLANTAR AXIAL PROJECTION

Question 4

PP: Supine; patient turn toward affected side; plantar surface // to IR

RP: 1 in distal to medial malleolus

CR: ┴

SS: Calcaneus & ankle joint

Answer 4

LATERAL PROJECTION

Mediolateral

Question 5

PP: Upright; leg perpendicular to IR; calcaneus center to IR

RP: Lateral malleolus

CR: 45o caudad (medially)

SS: Calcaneal tuberosity

ER: Useful in diagnosing stress fractures of calcaneus or tuberosity

Answer 5

WEIGHT BEARING METHOD

LATEROMEDIAL OBLIQUE PROJECTION