Question

Normal adult ratio of anteroposterior dieter to the transverse diameter of the chest is

Answer 1

That the transverse chest [across] should be twice that of the anteroposterior [from chest to back] diameter
1:2 ratio

Answer 2

The normal adult ratio of "Anteroposterior diameter" to transverse diameter of chest is 1:2.

Explanation:

• The "anteroposterior diameter" is less than transverse diameter of  chest.
• "Anterior-posterior diameter" is linear distance which is perpendicular to long axis of "limb and oriented" along anterior-posterior axis.
• The transverse diameter of chest (across) is twice that of anteroposterior diameter of chest (from chest to back).

To learn more about Anteroposterior diameter:

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