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segundo recomendava mello, 25 dez.
he recommended: in order to measure it, the student should stand facing the physician with his arms raised; the measuring tape is placed around the student horizontally at the height of the xiphisternum, taking care to fasten one end at this height and cross the tape over it; then, tell the student to lower his arms and breathe deeply, noting the different measurements for prolonged inhalation and exhalation, and then recording the difference between them as the chest expansion index mello, 25 dez.