F.I.T.T. Principle for Overload: A guide to optimizing fitness training with recommended frequency, intensity, time, and type for cardiorespiratory endurance, muscular endurance, muscular strength, and flexibility.
F.I.T.T. Principle for Overload chart showing frequency, intensity, time, and type for cardiorespiratory endurance, muscular endurance, muscular strength, and flexibility.
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