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March 2, 1957


JAMA. 1957;163(9):771. doi:10.1001/jama.1957.02970440067022

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To the Editor:—  In the Nov. 17 issue of The Journal, page 1117, Karpovich and Hale state that the warm-up is not valuable prior to an athletic performance. This may be true in their experiment, but many doctors and coaches are apparently accepting this as a general fact. There are several objections to making such a generalization from a study of seven men. These men were obviously not first-rate competitors, even in the small college league. Their average time of 55.6 seconds for the 440-yd. dash would hardly place in a good high school meet. Thus, if these men are as well trained as stated, then they are not track material. More important, it is generally recognized that a runner's time on the 440-yd. dash may be several seconds lower in meet competition. Unless these experiments could be repeated under highly competitive conditions, it would be unwise for coaches to

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