Squash, you have to hit it at the right angle if your hitting it (the ball) backwards against the back so it reaches the front.
Competition rifle shooting would be another.
Medical science is necessary for trainers, physical sciences for coaches.
For my knowledge of playing a bunch of sports, i'd say Baseball. or maybe golf.
The sport that involves goalposts is football.
Equestrian is a sport that involves horseback riding. To the best of my knowledge there are no sports that begin with the letter x.
One example of a sport that involves a ball is basketball.
Well, they should have knowledge of the sport, yes, but they do not have to be a participant in the sport. However, taking part in the sport gives more experience and knowledge, so it would be the better option to choose a coach who has played the sport and has knowledge over a coach who has not played the sport but has knowledge.
Sport Science College of Beijing Sport University was created in 1958.
Sport psychology is an interdisciplinary science that draws on knowledge from many related fields including biomechanics, physiology, kinesiology and psychology.
Sports INVOLVE a lot of science, but I don't believe sport is considered a legitimate science.
Rowing is the sport which involves Regattas.
Science.
Nippon Sport Science University was created in 1893.