File:The posture of school children, with its home hygiene and new efficiency methods for school training (1913) (14592081638).jpg

Identifier: postureofschoolc00banc (find matches)
Title: The posture of school children, with its home hygiene and new efficiency methods for school training
Year: 1913 (1910s)
Authors: Bancroft, Jessie H. (Jessie Hubbell), 1867-1952
Subjects: Child care School hygiene
Publisher: New York, The Macmillan company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
n normal health,if the erect posture he maintained throughout. This is the essentialpoint in stair.climbing (Fig, 41). The lifting of the whole weightof the body by the large muscles of the legs and thighs will stim-ulate heart and lung action very quickly. This is an inevitablephysiological consequence — a perfectly natural result — and,indeed, the effect that makes stair chmbing a good exercise.If the trunk be bent forward at the waist, however, in any of thecramped or collapsed positions of poor posture, the action ofheart and lungs is quickly embarrassed, and distress and unduefatigue at the time and afterward are the result. There should,therefore, be an erect carriage of the trunk as a fundamentalrequisite to stair chmbing. Even with this posture, an extended ii6 THE POSTURE OF SCHOOL CHILDREN climb will result in a quickening of the breath. Any one notburdened with excessive flesh should be in such good condition(training) that at least one flight of stairs could be climbed
Text Appearing After Image:
Fig. 41. — Erect carriage of the body in stair climbing. without noticeable embarrassment of respiration. When theclimbing of several flights is necessary, one should not hesitateto stand or sit and rest a moment in transit. The way in which the foot is placed upon the stairs is a matterthat usually takes care of itself instinctively. This is another SITTING, ETC. 117 of the subjects of traditional dogmatism, and, like all traditions,is subject to many variations. The truth is, that the mechanicsof stair cHmbing have not received as much technical study asthe mechanics of standing and walking, but the most sahentfeatures are obvious. Mounting a flight of stairs means carry-ing the body in two directions — upward and forward. If thedepth of each step (from front to rear) be slight, there is verylittle need for a forward tilt of the body. If it be great, thereis the same need for tilting the body forward that there is in along step in walking. This tilt should be from the ankles as

Note About Images