2024-08-15
First of all, it must be clear that the ergonomic chair is not designed to make people sit most comfortably, but to maintain a suitable lumbar spine curve, so that you feel uncomfortable when you are in a bad sitting position and return to a normal sitting position to relieve the discomfort caused by sedentary sitting.

The half-lying posture of the sofa is the most comfortable “chair" in theory. When you are sitting, the force on your waist when you lean back and forth will be greater than the force on your waist when you are sitting, and the seat surface of the sofa and ergonomic chair has a design that leans inward against the back of the chair. This is to allow you to lean back naturally.When you lean against the back of the sofa and the back of the engineering chair, they will both have good support for your waist.
If you sit in a chair for no more than 2 hours a day, then your plastic stool for a few dollars is fine. If you sit in a chair for about 5 hours a day, then you need to consider an office chair with adjustable lumbar support and adjustable head support.
If you sit in a chair for about 10 hours a day, then in addition to head support and lumbar support, you need to consider the front and rear adjustment of the seat cushion, the three-way adjustment of the armrests, and the downward pressure elasticity of the back of the chair. At this time, basically only ergonomic chairs can do it, but they are generally more expensive. Don't count on the cheap kind of chairs. They still look more “ergonomic”, which is to let you experience the adjustability of ergonomic chairs.

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