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Bartlett, Elisha MD, Obedience to the Laws of Health, a Moral Duty. A Lecture delivered before the American Physiological Society, Boston: Julius A. Noble, January 30, 1838.
The muscles of the body must be called into frequent & active exercise to secure the well-being of the body.
Learn how to optimize the health benefits of any group exercise class with this new ACSM resource. Online features include video clips and images. » Read More