Sitting using a rolling computer chair
The back pad angle should be completely attached to the back pad of the entire back, so that the back spine bone can get a certain degree of relaxation, and then effectively relieve the fatigue of the back spine, prevent chest and back pain.
The height of the waist should be adjusted to the position of the third, fourth and fifth lumbar spine. Because when the human body assumes a sitting position, the weight of the entire person is borne by the lumbar spine except for the legs and buttocks. Therefore, correct adjustments are made. The height of the waist helps prevent tendon or myometitis, disc herniation, spine slip, psoas muscle sprain, degenerative spine inflammation, and sciatica.
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