Legal analysis: How to compensate for the gym injury depends on the specific situation and the cause of the injury. Generally, the responsible person will make compensation. If the gym takes necessary measures to take care of and protect customers, the gym is not at fault and does not need compensation. Furthermore, if the employee of the employing unit causes damage to others due to the execution of work tasks, the employing unit shall bear the tort liability. Finally, gym managers or organizers of mass activities should also bear tort liability if they fail to fulfill their security obligations and cause damage to others.

Legal basis: Law of People's Republic of China (PRC) on the Protection of Consumer Rights and Interests.

Article 7 Consumers have the right to protect personal and property safety when purchasing and using commodities and receiving services. Consumers have the right to demand that the goods and services provided by business operators meet the requirements of protecting personal and property safety.

Article 18 Business operators shall ensure that the commodities or services they provide meet the requirements of protecting personal and property safety. For goods and services that may endanger personal and property safety, consumers should be given a true explanation and a clear warning, and the methods of correctly using goods or receiving services and the methods of preventing harm should be explained and marked. Operators of hotels, shopping malls, restaurants, banks, airports, stations, ports, theaters and other places of business shall fulfill their obligations of safety protection for consumers.

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; Operators, managers or organizers who fail to fulfill their security obligations shall bear corresponding supplementary responsibilities. Operators, managers or organizers may claim compensation from a third party after assuming supplementary responsibilities.