if he said I need some hiit training to do at home everyones cool, mention crossfit and everyone looses there shit, biggest gym chain in the world, million of people worldwide doing it, yeah theres some bad point to the sport and not everone participating have perfect form but no different to strongman, weightlifting, BB, plenty of videos of people doing stupid shit training all aspects of fitness, 4 years of doing crossfit and ive strained a groin, I popped a disk in my back powerlifting at local club, broke collorbone drunk wrestling and broke a wrist on a BMX bike,
If you let us know your equipment you have at home Im sure you will get plenty of help with workout Ideas