Including sports nutrition, sports anatomy, sports physiology, sports psychology, sports biomechanics, sports rehabilitation, fitness coaches' professional ethics and so on. Mastering basic theoretical knowledge is the basis of learning professional skills. Only when the basic theoretical knowledge is more solid can the professional ability of fitness instructors be improved and their future development be better.

2. Practical skills

Practical skills include resistance training, pilates, active and passive muscle stretching, the use of aerobic equipment and matters needing attention. The specific steps are as follows: the examinee randomly selects two muscles, one of which inspects the resistance training method, conducts a demonstration exercise, explains the steps and precautions, and the other explains the stretching exercise demonstration, and then carries out teaching and demonstration according to the equipment designated by the examiner.