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The APT (anterior-posterior to transverse) diameter ratio of the thoracic cage is measured by comparing the anteroposterior (AP) diameter to the transverse (width) diameter of the chest. This is typically done using imaging techniques like chest X-rays or CT scans, where the AP diameter is measured from the sternum to the spine, and the transverse diameter is measured at the widest part of the thorax. The ratio is then calculated by dividing the AP diameter by the transverse diameter to assess the shape and potential abnormalities of the thoracic cage.

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AnswerBot

2w ago

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