What are the functions of community fitness equipment?

The main function of community fitness equipment is to exercise and often do outdoor sports to enhance resistance. The exercise function of each fitness equipment of the same model is different. The walking machine is the leg muscle, and the shoulder joint is to exercise the shoulder to prevent cervical spondylosis. The function of the waist twister is to exercise the waist to prevent lumbar disc herniation, and the children's seesaw is to exercise the children's courage and physical coordination ability.