'In this fourth installment of the \"Body By Science\" BIG 5 Workout series, Dr. Doug McGuff discusses the metabolic effects of the \"Big 5\" workout.'
Tags: exercise , strength training , Body by Science , health. Fitness , Big 5.
SEE ALSO: Fitness Aerobics � � dance , abs , Kr , Th , newzins , weight loss tips , baking , butt , workout video , Kyra Pro
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