Show Exerclse and Rest i What Is tho relation between exercise exer-cise and rest Work Is that at which wo must continue whether Interesting or not whether we arc tired or not It used to be thought that the prime requisite of rest was the uso of faculties facul-ties other than those Involved In tho labor of tho day But there Is such a thing as fatigue which goes deeper than dally work Wo can work so hard ns to become exhaustedtoo exhausted for any kind of work Perhaps Per-haps this Is will fatigue It Is coming to be regarded as fundamentally true that rest from such fatigue demand continuity that for example four periods of 15 minutes each of rest If I not tho equivalent qf one hours rest that a man who goes on a vacation I and takes half an hour of his business work every day Is doing tho sam thing as tho man who had a hors with a sore back Ho kept tho saddle I on only a few minutes each day bu tho SOlO did not have a chance to heal Rest periods must bo sufficiently con secutlvo to overcome consecutive fa tlgue Luther II Gullck In the North American Review |