Athletic Sports (extract)
The Physical Proportions of the Typical Man The strength of the back and legs was tested by a dynamometer (seeFig. 2). The strength of chest, tri ceps, and back was deter mined by the number of times that thesubject could raise his weight between the parallel barswhile sup porting himself on his hands. The number of times a person, while holding on to the sus pended rings, could raise his own weight by con tracting the arms was the manner of testing the bi ceps, chest, and upper back. The strength of the chest and tri ceps of all who were unable to lift their own weight was tested by means of a dy namometer constructed for the purpose (see Fig. 1). The strength of the fore arms and hands was tested by a hand-dyna mometer (see Fig. 3). The capacity of the lungs was determined by the number of cubic inches of air the individual could blow into a spirometer. The manometer was used to test the strength of lung-tissue and the force of the expiratory muscles.
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