'Doug McGuff, MD, explains the central components of the \"Big 5\" workout from Chapter 4 of the book \"Body By Science.\" Covered in this brief talk are exercise selection, the importance of force issues in exercise, the importance of intensity, why multiple sets of a given exercise are not necessary and the importance of full recovery in between workouts.' 

Tags: fitness , Workout , exercise , Health , longevity , Body by Science , resistance training.

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