A common belief is that you should use light weights and complete a high number of repetitions if your desire is to "tone," and use heavy weights and perform a low number of repetitions if your goal is to "bulk up". ACE's Jessica Matthews explains what you really need to know to reach your goals.
Jessica Matthews, MS, E-RYTContributor
Jessica Matthews, M.S., E-RYT is assistant professor of exercise science at Miramar College. As a leading fitness expert, writer and educator Jessica is a regular contributor to numerous publications, including Shape and Oprah.com. She holds a B.S. in physical education teacher education from Coastal Carolina University and M.S. in physical education from Canisius College. She is a certified Personal Trainer, Group Fitness Instructor and Health Coach through the American Council on Exercise (ACE) as well as an Experienced Registered Yoga Teacher (E-RYT) through Yoga Alliance and trained stand-up paddleboard (SUP) yoga instructor. Prior to teaching at Miramar, Jessica worked full-time ACE, serving in a number of key roles including exercise physiologist, certification director and senior health and fitness editor. Her past work also includes serving as aquatics director at Conway Medical Wellness and Fitness Center and designing health and physical education curriculum for grades K-12. Full Bio Jessica Matthews »
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