Instructions in All Kinds of Gymnastic Exercises (extract)

8 acute angle; for the arms ought only to move to and fro in a very trifling degree, in orderthat the muscles connected with the breastmay remain, as much as possible, at rest. At every step the knees are stretched out, and the tread must neither be made entirely with the balls of the toes, since this would affect the calves too powerfully, nor yet with the whole sole of the foot. Precautions. —Proceed gradually, as in all exercise. Choose a time when the air is cool. Take off your coat at the commence­ ment of the exercise, and resume it the instant it is completed. Let the breast be either quite exposed, or very thinly covered. Wear a very light covering upon the head; a straw hat is best. The teacher should observe the runners, and let each ceaseas soonas a strongperspirationappears, and the breath becomesvery short. With these precautions, no fear need be entertainedof the longest run. PREPARATORY EXERCISES. 1. The teacher moves forward with his young pupils, at a moderate running pace, for five minutes. After they have frequently