Autor: T. Jeff Chandler

Mark Kovacs, PhD, is a former All-American NCAA doubles title winner and professional tennis player. He has coached many highly ranked junior, collegiate, and professional tennis players and is both a certified strength and conditioning specialist and a certified sprints coach with the U.S. Track and Field Coaches Association. He lives in Birmingham, Alabama. W. Britt Chandler, MS, is a former collegiate tennis player, a National Strength and Conditioning Association (NSCA)–certified personal trainer, a certified strength and conditioning specialist, and a USPTA certified teaching professional. He is also an editorial assistant for Strength and Conditioning Journal. He lives in Lexington, Kentucky. T. Jeff Chandler, EdD, is the head of the department of health, physical education, and recreation at Jacksonville State University. A recipient of the Plagenhoff Award for outstanding sport-science research in tennis, he is also a fellow of the American College of Sports Medicine, a fellow of the NSCA, and the editor in chief of the Strength and Conditioning Journal. He lives in Jacksonville, Alabama.