when the special navicular view described by morgan was examined , the most satisfactory projection was obtained using an anode-film distance of 900 mm , a tube-head angle of 55 degree and the primary beam centred between the bulbs of the heel , for the diagnosis of navicular disease , a combination of the upright pedal view and the special navicular view appears most effective .
C0016504
pedal
C0223947
navicular