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ca — Of course, the hest advice
about posture is useless if you are run down by
some underlying illness and lack the vitality to
hold yourself erect. The simple rules of health —
good nutrition, enough rest and sleep, some out-
door play and exercise — are of first importance.

Any exercise which improves muscle tone,
whether it be an active sport or simply a brisk
walk, will be an aid to good posture. Sports are
especially valuable, because the process works
both ways. The exercise tones up the body and
aids posture; and good posture, or good body
balance, is a part of the physical skill necessary
for the game. And sports are fun, so we don’t have
to force ourselves to take the exercise.

For developing the particular groups of
muscles needed for good posture, many physicians
and physical educators recommend the exercises
on the opposite page. No. 1 stretches the ribs
and draws the abdominal muscles in. No. 2
strengthens the muscles which flatten the lower
back and hold in the abdomen. No. 3 tones up
all the muscles which hold the back upright.
No. 4 is especially good for the upper back and
shoulders.

As in all exercises, these should be done in
moderation, with regard to your age and physical
condition. Do not overstrain. And remember that
a few minutes of exercise will do little unless you
develop the habit of good body balance.