In fact, there is no clear classification of personal fitness instructors, but according to the different professional fields of each fitness instructor, they can be roughly divided into the following categories:

Muscle enhancement, such fitness instructors generally require strong physique and muscular development, which will be very attractive to members. It's better to take part in bodybuilding competitions and win prizes, which will be more convincing and authoritative.

Fat-reducing and shaping: This kind of fitness instructor generally does not require particularly developed muscles, but the body shape must be good-looking, which is more convincing to people who want to lose fat.

Building muscle, reducing fat and shaping are all basic courses, which can also be said to be regular courses. General fitness instructors can do them, and the demand in the gym will be relatively large. General fitness instructor training schools also take these courses as the basic courses of training, but in order to do this kind of courses well, the requirements for fitness instructors' knowledge such as anatomy, nutrition, sports psychology and sports physiology are also relatively high.

Rehabilitation Fitness Instructor: This kind of courses can also be said to have the highest requirements for the professional quality of fitness instructors, and may be as effective as doctors. Such fitness instructors are generally engaged in the fitness industry for many years, and most of them are rehabilitation fitness instructors, majoring in medicine or physical education, which is relatively easy to learn.

Fight class fitness instructor: Fight classes are still very popular in the gym. First of all, it is practical, consumes a lot of calories, and is also helpful for muscle training and fat reduction. On the other hand, it is fun, which makes members happy when they are tired, and it is more suitable for members to release pressure.