The adolescent period : its features and management / by Louis Starr.

  • Louis Starr
Date:
1915
Catalogue details

Licence: In copyright

Credit: The adolescent period : its features and management / by Louis Starr. Source: Wellcome Collection.

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    THE ADOLESCENT PERIOD CHAPTER I GROWTH, AND THE DEVELOPMENT OF MUSCLE POWER General growth, or increase in height and weight after the first two and one-half years, when it is more rapid than in any other period of life—is quite regular and constant up to the eighth year. After this, though continuous, it is slower until the age of eleven or twelve in girls and thirteen or fourteen in boys, when, as puberty is established, there is a decided acceleration, most noticeable during the fourteenth year in the former, when height and weight may exceed boys, and the fifteenth in the latter and continuing to the seventeenth or eighteenth year respectively. After this time there is a marked lessening in the rate of growth, as if the developmental energies were spent and in need of recupera¬ tion. In consequence, many girls almost stop
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