Abstract
References
1.President's Council on Physical Fitness & Sports Newsletter . Washington, DC , US Government Printing Office , July 1979 , p 7 .
2.
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: Physical Fitness: A Way of Life . New York , John Wiley & Sons, Inc , 1976 , pp 39 –83 .
3.
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: Textbook of Work Physiology . New York , McGraw Hill Book Co , 1970 , pp 375 –396 .
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: Beyond Diet… Exercise Your Way to Fitness and Heart Health . CPC, International Inc , 1974 .