If the patient is unable to dorsiflex the foot to a vertical position for an axial calcaneus projection, the
a. central ray should be angled less than the routinely required amount.
b. central ray should be angled until it is aligned with the third metatarsal base and the distal fibula.
c. image will demonstrate an open talocalcaneal joint as long as a 40-degree angle is used.
d. image will demonstrate a foreshortened calcaneal tuberosity unless the central ray angle is increased over the routinely required angulation.
Question 2
A less than optimal lateral foot projection demonstrating the lateral talar dome proximal to the medial talar dome
a. will also demonstrate more than 0.5 inch (1.25 cm) of the cuboid posterior to the navicular bone if the patient has a high longitudinal arch.
b. was obtained with the proximal lower leg elevated.
c. was obtained with the leg externally rotated.
d. will also demonstrate the fibula too posterior on the tibia.
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