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Kyle Griffin's 4 Day Bodybuilding Split - Muscle and Brawn
7 7SharesFor questions on this muscle building workout, please visit Kyle Griffin at the Muscle and Brawn forum: Kyle Griffin (BigFiveFive). 4 day on, 3 day off split, working each muscle group twice a week. Monday/Tuesdays, Thursdays/Fridays – ON Wednesday/Saturday/Sunday – OFF This routine focuses on Primary and Secondary lifts and utilizes muscle recovery time and …