ugh they
were originated and encouraged for precisely the opposite effect. The
value of exercise consists not in developing large muscles nor in
accomplishing athletic feats, but in attaining physical poise, symmetry
of form, and the harmonious adjustment of the various parts of the body,
as well as in furthering the proper activity of cell-tissues and organs
and the elimination of waste products.
Even those whose work is largely muscular, unless it involves most of
the muscular system, may do well to exercise the unused
muscles--although Nature herself produces to some extent the necessary
compensation by what is known as the "law of synergic movement," by
which unused muscles profit by the exercise of those which are used.
[Sidenote: Exercise of the Mind, Will and Emotions]
Not only the functions of the body but those of the mind require
exercise--exercise in thinking, feeling, and willing. A person who does
not read or think loses some of his ability to read or think. The
physical worker, for instance, often allows his mind to become dull and
sodden. The accountant adds up figures all day and has no chance to
exercise his judgment or other mental faculties. In the same way a
person who does not exercise his artistic, poetic, or affectional side
will suffer its atrophy. The plaint of Darwin that he had allowed his
taste for music and poetry to atrophy could to-day be made by many
intellectual specialists. Good music is especially healthful.
The exercise of the will is of first importance. Many young people
to-day are brought up so well protected that they have lost the power to
decide for themselves. Will is exercised every time a decision is made.
One of the advantages of all games is that they require decision by the
players. A game like baseball calls out the exercise of almost every
power. It requires the mind to play, the emotions to enjoy, the will to
decide, the muscles to act, and all in mutual coordination.
[Sidenote: The Avocation]
Since the work of most people is likely to produce some unhygienic
element which can not be avoided, a compensation should be sought in an
avocation or "hobby," to be practised out of regular working hours. The
avocation should be far removed from the nature of the regular work.
Often the avocation can serve a productive purpose. Gladstone and Horace
Greeley sawed wood or chopped down trees for recreation. A well-known
engineer divided his recreation between writing st
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