<p>How many days/week should you work each muscle? And how many sets are needed in each workout? Shannon breaks down the current science on frequency and volume. She suggests a protocol that is both realistic and effective. </p><p>0:00: Introduction </p><p>1:40: Optimal volume for muscle growth </p><p>6:15: How frequently should you work a muscle group? </p><p>9:10: How many days per week should you strength train? </p><p>11:15: The bottom line </p><p>To take our free 35-minute Upper Body Build class taught by Dr. Shannon, visit <a href="https://portal.evlofitness.com/">portal.evlofitness.com</a>.</p>