School and Industrial HygieneP. Blakiston, 1880 - 152페이지 |
도서 본문에서
20개의 결과 중 1 - 5개
28 페이지
... Muscles , stomach , and brain equally require vege- tative activity in order to keep them in condition ; and each may suffer from over - activity without im- pairing the health of the others . But , in general , overwork of one tells ...
... Muscles , stomach , and brain equally require vege- tative activity in order to keep them in condition ; and each may suffer from over - activity without im- pairing the health of the others . But , in general , overwork of one tells ...
34 페이지
... muscles , who feels his temper and digestion giving way under the influence of teaching , heavy gymnastics or field- sports of an active sort may be recommended . To the less vigorous or muscular person , and to most women who teach , a ...
... muscles , who feels his temper and digestion giving way under the influence of teaching , heavy gymnastics or field- sports of an active sort may be recommended . To the less vigorous or muscular person , and to most women who teach , a ...
36 페이지
... muscular walls of the abdomen against rupture and the joints against accident ; of confirming the habit of liberal ... muscles over the bones , and on the fatty layer over the mus- cles . A straight back may be said to be an element of ...
... muscular walls of the abdomen against rupture and the joints against accident ; of confirming the habit of liberal ... muscles over the bones , and on the fatty layer over the mus- cles . A straight back may be said to be an element of ...
37 페이지
... muscular exercise , and by improper positions in study . Boys do not exhibit this tendency to so marked an extent ; but it is a thing to be constantly looked after in the case of girls . " In a school of 731 pupils at Neufchâtel , 62 ...
... muscular exercise , and by improper positions in study . Boys do not exhibit this tendency to so marked an extent ; but it is a thing to be constantly looked after in the case of girls . " In a school of 731 pupils at Neufchâtel , 62 ...
40 페이지
... muscle in the body . For this no special costume would be required , except in the highest grades . Music is a great addition to the ex- ercise , but not a necessity . But the great difficulty , and , in fact , the only serious one , is ...
... muscle in the body . For this no special costume would be required , except in the highest grades . Music is a great addition to the ex- ercise , but not a necessity . But the great difficulty , and , in fact , the only serious one , is ...
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adult allowed Amherst College amount Astigmatism attend Aurist better body boys brain causes cent CHAPTER chest chil child classes Cloth danger deformity desk-lid Diphtheria disease distance dren duty dyspepsia edge Edition Edwin Chadwick effect excessive exercise eyes fact fatigue feet foot-rest fresh air girls give gymnastics habit Health Primers heat height Hospital Hygiene Illustrations inches injury Jefferson Medical College labor large number light lumbar vertebræ Manual meals Medical College mental mind muscles myopia near-sight Nurses objects Obstetrics oculist person Philadelphia physician play poisonous position practical prevent Professor public schools pupils rest retina Rush Medical College scholars SCHOOL-DESKS AND SEATS school-life school-rooms shoulder-joint shoulders sitting sleep spinal curvature spine suitable teach teacher tendency thing three hours tion University of Pennsylvania ventilation vigorous women writer's cramp writing young
인기 인용구
134 페이지 - A child, young person, or woman, shall not be allowed to work between the fixed and traversing part of any self-acting machine while the machine is in motion by the action of steam, water, or other mechanical power.