Physical Exercise 



75 



activities. It is suited to individuals of all ages and occu- 

 pations, and to residents of every climate. 



In walking, the muscles of the entire body are brought into 

 action, and the movements of breathing and the circulation 

 of the blood are increased. The body should be erect, the 

 chest thrown out, the head and shoulders held back, and 

 the stride long and elastic. It is an excellent custom to 

 add to the usefulness of this fine exercise by deep, voluntary 

 inhalations of pure air. 



Running as an exercise is beneficial to those who have kept 

 themselves in practice and in sound condition. It brings 

 into play nearly every muscle of the body, and thus serves 

 to develop the power of 

 endurance, as well as 

 strength and capacity for 

 rapid movement. 



Jumping is usually an 

 admirable and beneficial 

 form of exercise. It 

 brings into action many 

 muscles without putting 

 undue strain upon any 

 particular group. 



109. Skating, Swim- 

 ming, and Rowing. 

 Skating is a delightful 

 and invigorating exercise. 

 It calls into play a great 

 variety of muscles, and is 

 beneficial at almost all ages. It strengthens the ankles and 

 helps give an easy and graceful carriage to the body. 



Every child above ten years of age should be taught 

 to swim. The art, once mastered, is never forgotten. It 



FIG. 42. Showing how Muscles may be 

 developed in Rowing. 



(Based upon a photograph from the 

 living model.) 



