During which phase of breathing does the diaphragm contract and what is the hallmark of diaphragmatic motion?
a. The diaphragm contracts during the exhalation phase, and the hallmark of diaphragmatic motion is the lateral expansion of the lower ribs.
b. The diaphragm contracts during the inhalation phase, and the hallmark of diaphragmatic motion is the lateral expansion of the upper ribs.
c. The diaphragm contracts during the inhalation phase, and the hallmark of diaphragmatic motion is the lateral expansion of the lower ribs.
d. The diaphragm contracts during the inhalation phase, and the hallmark of diaphragmatic motion is the anterior distension of the abdominal wall.
c
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