1. The back cushions ergonomically optimized office chair CUREBACK- office original was placed in the space between the seat surface and CUREBACK expect after installing the waist to the back of the office chair, the wings on both sides to allow both sides to hold a naturally bent. Therefore, the spine, as well as effectively also takes part in both sides. 2. To hold the spine in the center, and that MIDLINE CONVEX fit the left and right balance- MIDLINE CONVEX is the most important features and functions of CUREBACK. Lumbar spine of a normal person is not incorrect posture in the direction into the belly, but is unconscious as lumbar back out the back. This will cause lower back disorders such as back pain, disc herniation, spinal kyphosis. It prevents the lumbar MIDLINE CONVEX slouch posture. In addition, an important feature that match the balance to the left and right to catch the center of the lumbar spine. 3. THE OPTIMIZED SURFACE DESIGN ON THE LUMBAR CURVE - Look at the person's head above the waist (TOP VIEW), the waist is a sleek curve of a W shape with convex and concave. And look at the front of the head of the person (SIDE VIEW OR LATERAL VIEW), it is a concave curve of the 'C form. In this way people waist convex and concave were able to in the same way as SADDLE JOINT of two degrees of freedom to coexist by perspective.CUREBACK is by a combination of MID LINE CONVEX to SADDLE SURFACE, it was completed an optimized CUREBACK LINE to the waist of the person. Cureback line can be easy maintaining comfortable and good posture. Because Perfectly support various aspects of the waist.
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