It was such a feat as he had seen professional athletes perform, and he marvelled at the physical strength of his companion.
"The Sins of Séverac Bablon"
Sax Rohmer
Professor Chittenden has published an elaborate book, "The Nutrition of Man," in which he tells of long-continued experiment upon a squad of soldiers and a group of athletes at Yale University, also upon average students and professors.
"The Book of Life: Vol. I Mind and Body; Vol. II Love and Society"
Upton Sinclair
This special training is useful to develop athletes or to correct defects.
"Civics and Health"
William H. Allen