Whether the physical fitness calculator is accurate depends on whether the instrument is aging, but the physical fitness instruments in universities will be replaced regularly, so don't worry too much. Generally, universities arrange physical exercise once a year. Freshmen and sophomores also have physical education class, and juniors and seniors don't need to go to physical education class.

Constitution, as its name implies, refers to the quality of the human body, the health status of the human body and its adaptability to the outside world. It is a comprehensive and relatively stable feature of human morphological structure, physiological function and psychological factors on the basis of inheritance and acquisition.

Heredity is the basis of the formation of human physique, which provides the possibility for its development, and is restricted by the internal and external environment (nature and society), indicating that the formation and development of physique are largely related to the acquired environment.