The term strength training refers to a comprehensive program of exercise designed to improve the ability to produce muscular force and increase resistance to injury. Any system of such training which produces an objectively measurable increase in muscular strength can be considered productive. Beyond productivity, there are two additional factors which have been thoroughly investigated in the literature; these factors are safety and efficiency. Assuming two programs were equally productive in terms of increasing strength, logic dictates the program which was safer and more time efficient would be the superior selection. In this article, what the literature says about productivity, efficiency and safety in strength training programs will be reviewed.
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