If folks say “bootcamps”, sort of caricature of a loudly drill sergeant and emotionally and physically abused cadets spring into mind, no as a result of the way Hollywood portrays them. It’s true although the notion of kiddies boot-camp has become very contentious in the last few decades.
https://www.linkedin.com/pulse/getting-know-different-types-boot-camps-teens-sathish-kumar-m/
Bootcampworkoutlibrary 