SUBTALAR JOINT

Question 1

PP: Semisupine; foot & leg rotated 45o medially; knee flexed

RP: 1 in. distal & 1 in. anterior to lateral malleolus

CR: ┴

SS: Anterior subtalar articulation

Answer 1

ISHERWOOD METHOD

LATEROMEDIAL OBLIQUE PROJECTION

Medial Rotation Foot

Question 2

PP: Seated or semi-lateral recumbent (more comfortable); leg, foot & ankle rotated 30o medially; dorsiflex foot

RP: 1 in. distal & 1 in. anterior to lateral malleolus

CR: 10o cephalad

SS: Middle subtalar articulation & “end on” projection of sinus tarsi

Answer 2

ISHERWOOD METHOD

AP AXIAL OBLIQUE PROJECTION

Medial Rotation Ankle

Question 3

PP: Supine/seated; leg, foot & ankle rotated 30o laterally; dorsiflex foot

RP: 1 in. distal medial malleolus

CR: 10o cephalad

SS: Posterior subtalar articulation

Answer 3

Lateral Rotation Ankle

Question 4

PP: Supine; leg & foot rotated 45o medially; dorsiflex foot; foot rested against 45o foam wedge

RP: 2-3 cm to lateral malleolus

CR: 10o, 20o, 30oor 40o cephalad

SS: Posterior articulation

Anterior portion (40o)

Posterior portion (10o)

Talus & sustentaculum tali articulation (20-30o)

Answer 4

BRODEN METHOD

AP AXIAL OBLIQUE PROJECTION

Medial Rotation

Question 5

PP: Supine; leg & foot rotated 45o laterally; dorsiflex foot; foot rested against 45o foam wedge

RP: 2 cm distal & 2 cm anterior to medial malleolus

CR: 15o cephalad

SS: Posterior articulation

ER: To determine the presence of joint involvement in cases of comminuted fx

Answer 5

Lateral Rotation