Small gym. Enterprises and institutions improve the quality of personnel in all aspects through various trainings and activities. Among them, the physical quality of employees is related to all aspects of their daily work performance. Therefore, many enterprises and institutions will set up gyms in the company for employees to use. The area is small and the single equipment is complete, so the unit gym is called a small gym. Fitness can enhance strength, flexibility, endurance, and improve the ability to coordinate and control all parts of the body, thus making the body strong.