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MAX SEHAM, M.D.; GRETE SEHAM, PH.D.

Am J Dis Child. 1929;37(5):997-1006.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

In 1923, in a paper called "Physiology of Exercise,"¹ we presented the results of a study of the physical capacity of children by means of a stationary bicycle. It was then pointed out that a considerable number of supposedly normal children fell below the average in physical strength and endurance. This striking observation led us to an inquiry into the psychophysiologic aspects of general subefficiency. The results were published in a paper called "Chronic Fatigue in the School Child: A Psycho-Physiologic Study."²

Since clinical methods of investigation offer little hope for the understanding of the nature of fatigue, we undertook to study this subject in animals. In this paper, we shall discuss the effect of forced exercise on (1) the voluntary activity, (2) the weight and (3) the behavior of rats.

MATERIAL AND EXPERIMENTAL PROCEDURE

Twenty male hooded rats, about 90 days of age, weighing on an average . . . [Full Text PDF of this Article]

Author Affiliations
MINNEAPOLIS

From the Department of Pediatrics, University of Minnesota.

Footnotes
Submitted for publication, Dec. 13, 1928.

Work done through a grant given by Dean G. S. Ford of the Graduate School of the University of Minnesota.

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