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December 1923

PHYSIOLOGY OF EXERCISEPART 3. AN INVESTIGATION OF CARDIOVASCULAR TESTS IN NORMAL CHILDREN AND IN CHILDREN WITH TUBERCULOSIS AND VALVULAR HEART DISEASE

Am J Dis Child. 1923;26(6):554-566. doi:10.1001/archpedi.1923.04120180053005
Abstract

In an investigation of the physical efficiency of schoolchildren, over a period of three years, we were impressed by (1) the high percentage of physically defective children; (2) the admission to school of physically subefficient children; (3) the inadequacy of the present system of physical examinations for the recognition and classification of abnormal conditions, and (4) the great need of objective methods for determining physical efficiency; the medical profession must admitthat a mere anatomic basis for classification of disease is inadequate for this purpose.

Methods to determine physical efficiency are necessarily subjective, objective, or both. The subjective method concerns itself with an accurate history of the reaction of a person to his daily activities. Regarding objective methods, the literature in clinical medicine may be divided into two groups: (1) the quantitative measurement of capacity for physical work and (2) the reaction of the circulatory system to changes in posture and

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