To assess rotation of the film, compare the distance between a spinous process to each of the clavicles. If the supinous process is closer to one clavicle, that side is rotated posteriorly.
Rotation
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To assess rotation of the film, compare the distance between a spinous process to each of the clavicles. If the supinous process is closer to one clavicle, that side is rotated posteriorly.