presented by T. Richard Nichols, Young-Hui Chang, Huub Maas, Valerie K. Haftel and Timothy C. Cope ; produced by the American College of Sports Medicine
written by the American College of Sports Medicine ; presented by Peter G. Gerbino, Jon Patricios, Thomas M. Best, Margot Putukian and Fernando Gonzalez; produced by Healthy Learning
[presented by] Kyle McInnis ; [produced by] American Council on Exercise ; [produced by] Healthy Learning ; [produced by] Monterey Bay Video Production Company
presented by Kara A. Witzke, Charles H. Turner, Saija Kontulainen, Ilkka Vuori and Timothy G. Lohman ; produced by the American College of Sports Medicine