If the fitness equipment is unqualified, the gym safety measures are incomplete, and the gym people are injured by human factors, then they will basically take full responsibility. If I accidentally use the wrong equipment, don't listen to the guidance of the gym staff and use the wrong method to exercise, then I will bear the main responsibility. It depends on the specific situation.

Secondly, the managers and operators of fitness clubs failed to fulfill their security obligations.

Legal basis:

Article 18 of the Law of People's Republic of China (PRC) on the Protection of Consumers' Rights and Interests, business operators shall ensure that the goods or services they provide meet the requirements for protecting personal and property safety, make a true explanation and clear warning to consumers about the goods and services that may endanger personal and property safety, and explain and indicate the methods of correctly using goods or receiving services and the methods of preventing harm.

Article 1 198 of the Civil Code of People's Republic of China (PRC). Operators, managers or organizers of mass activities in hotels, shopping malls, banks, stations, airports, stadiums, entertainment places and other business places shall bear tort liability if they fail to fulfill their security obligations and cause damage to others.

If the behavior of a third party causes damage to others, the third party shall bear the tort liability. If the campers, managers or organizers fail to fulfill their security obligations, they shall bear corresponding supplementary responsibilities. Operators, managers or organizers may claim compensation from a third party after assuming supplementary responsibilities.