American Academy of Pediatrics et. al

American Academy of Pediatrics—an organization of 60,000 pediatricians committed to the attainment of optimal physical, mental, and social health and well-being for all infants, children, adolescents, and young adults.

American College of Sports Medicine is the largest, most respected sports medicine and exercise science organization in the world. Founded in 1954, ACSM currently has more than 20,000 national, international, and regional members in over 80 countries. Working in a wide range of medical specialties, allied health professions, and scientific disciplines, ACSM’s members are committed to the diagnosis, treatment, and prevention of sports-related injuries and the advancement of the science of exercise. With a strong heritage and visionary approach to the future, ACSM continues to grow and prosper both nationally and internationally.


Also:
American Academy of Family Physicians
American Medical Society for Sports Medicine
American Orthopaedic Society for Sports Medicine
American Osteopathic Academy of Sports Medicine