sesamoid, clubfoot, calcaneus

Question 1

• prone
• great toe on the table in a position of dorsiflexion
• center the IR to the 2nd metatarsal
• CR perpendicular and tangential to the first metatarsophalangeal joint

Answer 1

lewis method

Question 2

• tangential projection of the
  metatarsal head in profile and
  the sesamoids

Answer 2

holly method

Question 3

• pt in lateral recumbent position
• CR prominence of the first metatarsophalangeal joint at an angle of 40 degrees towards the heel
• sesamoid bones projected axiolaterally with a slight overlap

Answer 3

causton method

Question 4

• demonstrate the anatomy of the foot and the bone or ossification centers of the tarsal and their relation to one another
• CR 15 degree posterior angle for the AP projection, perpendicular to the midtarsal for the lateral projection

Answer 4

AP and LATERAL PROJECTION (KITE METHOD)

Question 5

• infant is held in a vertical position.
• plantar surface of the foot should rest on the IR
• CR directed 40 degrees anteriorly through the lower leg, as for the usual dorsoplantar projection of the calcaneus.

Answer 5

AXIAL PROJECTION Dorsoplantar
(KANDEL METHOD)

Question 6

• IR under the patient’s ankle,
  centered to the midline of the ankle.
• patient grasp the gauze to hold the ankle in right angle dorsiflexion
• CR midpoint of the IR at a cephalic angle of 40 degrees to the long axis of foot. CR enters base of 3rd metatarsal
• axial projection of the calcaneus

Answer 6

AXIAL PROJECTION Plantodorsal

Question 7

• prone
• ankle on sandbags and dorsiflex the ankle
• long axis of the foot perpendicular to the tabletop.
• IR against the plantar surface of the foot.
• CR enters the dorsal surface of the ankle joint at a caudal angle of 40 degrees to the long axis of the foot.
• axial projection of the calcaneus and the subtalar joint

Answer 7

AXIAL PROJECTION Dorsoplantar