Illinois Athletic Trainers' Association http://www.illinoisathletictrainers.org

Great Lakes Athletic Trainers' Association http://www.glata.org/

National Athletic Trainers' Association http://www.nata.org/

National Federation of High Schools http://www.nfhs.org/

Illinois High School Associationhttp://www.ihsa.org/

International Fitness Associationhttp://www.ifafitness.com/stretch/

National Library of Medicinehttp://www.nlm.nih.gov

Illinois Department of Professional Regulation
http://www.dpr.state.il.us/

Office of Dietary Supplements
http://dietary-supplement.info.nih.gov

National Institute of Health
http://www.nih.gov

The Weather Channel
http://www.weather.com

National Lightning Safety Institute
http://www.lightningsafety.com

American Academy of Orthopedic Surgeons
http://www.aaos.org