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ISO-TENSION CONCENTRATION FOR OLYMPIA MUSCULARITY

This special new Weider technique takes you beyond the limits of normal training to the outer reaches of muscular development.

Source: Muscle and Fitness (July 1980)

Page #38 - Muscle and Fitness (July 1980)
Page #39 - Muscle and Fitness (July 1980)
Page #151 - Muscle and Fitness (July 1980)

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