Logan Republican | 1904-09-21 | Page 2 | Strength at Various Ages

STRENGTH AT VARIOUS AGES. fl Muscles Have Their Stages of De- fl velopment and Decline. H Careful Investigations havo proved H that tho muscles, as well as othor orgaas of tho body, have their stages of development and decline. Tests of H tho strength of soveral thousands fl of pcoplo havo been mado by tho use H of a dynnmomoter (strength measuro), fl and the following are given as tho H averago figures of the white raco. fl Tho lifting power of a youth of 17 is fl 2801b. In his twentieth year this in- fl creases to 3201b., and in his thirtieth fl and thirty-first years It reaches Its fl height, 3661b. At tho end of the thirty-first year the strength begins H to decline By the fortieth year It H has decreased 81b., and this dlmlnu- I tlon continues at a slightly increasing H rate until the fiftieth year Is reached. B when the figure Is 3301b. After this I period the strength falls mora and more rapidly. H ' -- ' fl