Fig. 52.—Exercises for muscles of abdomen.

Fig. 53.—Swimming exercises: for back, thighs, and abdomen. First position.

Fig. 54.—Swimming exercises: for back, thighs, and abdomen. Second position.

Fig. 55.—Rope-pulling exercises: for back, chest, waist, legs, and arms. First position.

Fig. 56.—Rope-pulling exercises: for back, chest, waist, legs, and arms. Second position.