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Science 9 June 1967:
Vol. 156. no. 3780, pp. 1383 - 1384
DOI: 10.1126/science.156.3780.1383
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Articles

Pulmonary Ventilation Measured from Body Surface Movements

Jere Mead 1, Norman Peterson 1, Gunnar Grimby 1, and Judson Mead 1

1 Department of Physiology, Harvard School of Public Health, Boston, Massachusetts, and Department of Geology, Indiana University, Bloomington

Changes in anteroposterior diameters of the rib cage and abdomen are sensed with magnetometers and summed to give outputs which are very nearly linearly related to changes in lung volume. The volume events of breathing can be measured without recourse to a mouthpiece or face mask, other than for calibration, and with minimal encumbrance to the subject.


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