Ocker, Liette B, Sam Houston State University, Physical Education, Huntsville, TX.
ÖLMEZ, Esin, Faculty of Health Sciences, Muğla Sıtkı Koçman Üniversitesi, Kötekli Mahallesi, 48000 Menteşe/Muğla, Turkey
Olufemi, Adeogun John, Lagos State University, Exercise Physiology Unit, Faculty of Education, Lagos, 0001, Nigeria.
Orr, Harlan R., McGill Health and Fitness Promotion Lab in the Department of Kinesiology and Physical Education, McGill University, 475 Pine Ave West, Room 101, Montréal, QC, Canada H2W 1S4
Ortiz, Ismara, University of Puerto Rico, P. O. Box 23311, San Juan 00936-3311