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...