Diaphragmatic motion decreases by about one - third in the sitting position compared to lying on your back.
MRI studies (which are considered the most accurate) have quantified
diaphragmatic motion during deep breathing, with the posterior region moving an average of 10 cm (about 4 inches) between inhalation and exhalation.
The posterior, or back part of the diaphragm exhibits the greatest excursion; the amount of
diaphragmatic motion decreases progressively as we come forward.
Not exact matches
Belly breathing, or deep
diaphragmatic breathing, is ideal for athletes in most cases because it optimizes the use of the diaphragm's full range of
motion and capacity.