v. 1. Aquatic sports. Outdoor sports. Winter sports -- v. 2. Team sports. Bowling sports -- v. 3. Combat sports. Gymnastics and dance. Martial arts. Racquet sports. Track and field. Weightlifting -- v. 4. Aeronautical sports. Bicycling and cycling. Equestrian sports. Motor sports. Target sports -- v. 5. Coaching, training, and officiating -- v. 6. Sporting events and international competitions -- v. 7. Humanities and social sciences -- v. 8. Science and medicine.