School and Industrial Hygiene |
From inside the book
Results 1-5 of 8
Page 44
... continued attention and work it is capable of imparting . Girls really need gymnastics more than boys , in cities , owing to the very great restraint placed on their freedom , and the improper modes of dressing which still prevail . One ...
... continued attention and work it is capable of imparting . Girls really need gymnastics more than boys , in cities , owing to the very great restraint placed on their freedom , and the improper modes of dressing which still prevail . One ...
Page 51
... continued merely as a habit . And the degree of near - sight is easily over - estimated by those not able to apply the scientific tests of the professed oculist ; for in many cases there exists a temporary exaggeration of near - sight ...
... continued merely as a habit . And the degree of near - sight is easily over - estimated by those not able to apply the scientific tests of the professed oculist ; for in many cases there exists a temporary exaggeration of near - sight ...
Page 63
... continued study , which is highly prejudicial to sight ; this injury may be avoided easily , comfort- ably , and safely by the use of weak glasses . It is proper to warn teachers of the contagious na- ture of certain cases of ...
... continued study , which is highly prejudicial to sight ; this injury may be avoided easily , comfort- ably , and safely by the use of weak glasses . It is proper to warn teachers of the contagious na- ture of certain cases of ...
Page 64
... continued for a considerable length of time , becomes changed , from simple fatigue of a certain set of muscles , into a bad one . These relax ; sometimes one muscle or set of muscles gives way ; sometimes another set . The burden of ...
... continued for a considerable length of time , becomes changed , from simple fatigue of a certain set of muscles , into a bad one . These relax ; sometimes one muscle or set of muscles gives way ; sometimes another set . The burden of ...
Page 65
... continued pressure . The faults in school - desks and seats which tend to produce deformity and defects of sight are the fol- lowing : 1. Desk too low , causing a forward stoop , with tendency to congestion of the head and formation or ...
... continued pressure . The faults in school - desks and seats which tend to produce deformity and defects of sight are the fol- lowing : 1. Desk too low , causing a forward stoop , with tendency to congestion of the head and formation or ...
Other editions - View all
Common terms and phrases
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
Popular passages
Page 134 - 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.