*Department of Health Professions and Kinesiology, Hofstra University, Hempstead, New York
†Department of Neurology and Integrative Pain Medicine, ProHEALTH Care Associates, Lake Success, New York
‡Department of Orthopedics and Sports Medicine, ProHEALTH Care Associates, Lake Success, New York
§United States Tennis Association Player Development Incorporated, Boca Raton, Florida.
Corresponding Author: Katie Sell, PhD, Department of Health Professions and Kinesiology, 220 Hofstra University, 102 Hofstra Dome, Hempstead, NY 11549 ([email protected].edu).
No funding was received from the National Institutes of Health, Wellcome Trust, Howard Hughes Medical Institute, or any other source for this study.
The authors report no conflicts of interest.
B. Hainline, M. Yorio, and M. Kovacs are employed by the United States Tennis Association.
Received February 23, 2012
Accepted July 24, 2012
