PHYSICAL TRAINING IN CONFINED SPACES. I. EVALUATION OF THE UNIVERSAL GYM.
NAVAL MEDICAL FIELD RESEARCH LAB CAMP LEJEUNE N C
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A group of Marine infantrymen were trained for six weeks on a Universal Gym and a Marcy Isometric Power Rack in order to determine the value of these pieces of apparatus for use in maintaining the physical fitness of Marines confined to shipboard for an extended period. The subjects displayed improved performance in certain tests of muscular strength, but did not demonstrate improved performance in events requiring cardiorespiratory fitness andor speed of movement of large muscle masses. Author
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