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ROBERT IRVINE'S BACK WORKOUT – FITCRUNCH
ROBERT IRVINE’S BACK WORKOUT The following workout appears in Robert’s Book, Fit Fuel. You can buy it at www.fitfuelbook.com. General Warmup: Perform 20-30 minutes of cardio on an elliptical or machine of your choice. Get your heart rate up between 65% and 75% of your maximum heart rate (MHR = 220 – Your Age) Targeted [...]