Generally speaking, a fitness chair includes a chair seat, chair legs, a backrest, armrests and a set of torsion spring mechanisms. There will also be vertical handles and plugs on both sides of the movable handrail. Armrests are generally inserted on both sides of the chair seat, and the handle is stuck behind the backrest.
The use principle of fitness chair. A certain torsion spring is added to the chair seat and the copy, and the armrest with this plug and operating handle is inserted into the jack, so you can exercise at any time, which is very convenient and simple.
How to use the fitness chair? First, take down the movable handrail. We will find a plug at one end of the handrail and plug it into the socket corresponding to the torsion spring. When people sit in chairs, they use the strength of their hands, legs and arms to pull the movable handrails. You can also adjust the angle of the backrest according to your own needs. Of course, you can also directly pull out the plug-in board and turn out the movable board, so that people can directly stay flat or supine.