I are personal training because 2015 from large box gyms to 1-on-one personal training in A non-public studio setting, and have been practising, competing in and instructing martial arts since 2011. Jon Matzov [8] Personal trainers could also be involved in the prescription of stretching routines or other ways. https://youtu.be/3j78-5sDzX0?si=TMh7OQwuVFf6ubXY