In today's generation, the appearance of the innovations in technology proves how science is used in personal or sports training. The science is the technology.
Sports scientists are used in a variety of ways. Manufacturers of equipment use scientists, as do beverage companies (like Gatorade), owners of teams (to work on facilities and care), as well as...
There are a lot of science types but these are just the main types: Biology, Chemistry, Physics, Philosophy, etc. If this didn't help, my other answer is: Look up on google, youtube, etc. websites...