Yes Fitness instructors have certain requirements for their health. As fitness coaches, they need to have certain physical fitness and health conditions, so as to better guide and motivate customers to carry out fitness exercises. Fitness instructors need to be well-proportioned, not too thin and too fat, in order to establish a healthy and positive image for customers. Fitness instructors need to have good image temperament, including manners, manners, etc., in order to leave a good impression on customers.