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SPALDING'S ATHLETIC LIBRARY.
57
ABDOMEN.
See Fig. 36.
Lie flat upon the back. Tense the arms alongside the body, but not resting them on the floor. Tense the legs. Lift them and lower them slowly, without bending the knees. Keep the legs together. Do not allow the head to rise from the floor.
Seven times—up and down—without the legs or heels resting upon the floor until the seventh time.
Caution.—Do not hold the breath. Inhale as the legs ascend; exhale as they descend; or, as is my rule in general, let the breathing take care of itself, providing you do not restrict it.
