September 30, 2010
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 Contributor
Jessica Matthews, MS, E-RYT, is a well-known blogger and assistant professor of exercise science at Miramar College. In addition to holding ACE Personal Trainer, Group Fitness Instructor and Health Coach certifications, she is an experienced registered yoga teacher through Yoga Alliance. Jessica has cited as an expert by CNN, Shape, Self and Oxygen.More Blogs by Jessica Matthews »