I suggest you check online. Requirements for being a fitness instructor: Proficient in sports anatomy, sports physiology, sports nutrition and other professional knowledge. It is very important to know the structure and characteristics of human body, such as muscle function, muscle training methods and skills. Taking the national fitness instructor certificate requires fitness skills, and the certificate is also a stepping stone to enter the industry. For those who have no foundation, it is suitable to choose fitness instructor training and conduct comprehensive and systematic learning. You can choose according to the teaching scale, teaching methods and teaching teachers of fitness instructor training professional institutions. We set up a training class for fitness instructors, mainly to learn fitness theory and practice training movements.