Sitting Posture Tutorial for Ergonomic Chairs

The ergonomic chair is generous in design, unique, fashionable and lightweight. It is a new type of environmentally friendly and healthy chair that is widely used in modern homes, entertainment, Internet cafes, hotels, leisure, conference rooms, and office computer desks. The design principles release nature, adjust human nature, and are suitable for a variety of body types; the materials are mainly environmentally friendly materials.

So what aspects of the ergonomic chair sitting tutorial should be paid attention to?

1. The correct height of the seat cushion must be adjusted so that your feet can be placed flat on the ground, and the bending angle of the thighs is 90°.

2. The correct depth of the seat cushion should be to sit your buttocks in the innermost part of the seat cushion, and adjust the depth of the seat cushion properly so that the seat cushion can effectively support more than 2/3 of the thigh area, and make the bending angle of the thigh and the calf in the same direction. 90°.

3. The correct height of the armrest should be adjusted so that the arm and the elbow are 90°. At this time, the arm hangs down naturally, and it feels correct without any shoulder suspension. Long-term arm without support or poor support will cause shoulder pain or frozen shoulder and other conditions, which have a great impact on health.

4. The correct angle of the back pad should completely attach the entire back to the back pad, so that the back vertebrae can be relaxed to a certain extent, which can effectively relieve the fatigue of the back vertebrae and prevent chest and back pain.

5. The correct waist height should be adjusted to the position of the third, fourth and fifth lumbar vertebrae, because when the human body is in a sitting position, except for the legs and hips, the weight of the whole person is borne by the lumbar vertebrae. Therefore, the correct adjustment of waist height can help prevent tendon or myositis, intervertebral disc herniation, spondylolisthesis, psoas sprain, degenerative spondylitis, sciatica and so on.

6. When operating the seat cushion depth adjustment, it is necessary to rely on the strength of the hips to slide the seat cushion out. At this time, the back needs to rely on a back cushion in a fixed state, so that the force is sent from the buttocks. If the back cushion is not in a locked state, the back Loss of strength, resulting in the hips unable to exert force, and then the seat cushion does not slide smoothly.

7. The correct angle of the armrest pad should be able to give your hands or elbows moderate support anytime, anywhere. Long-term lack of moderate support for your hands or elbows can easily lead to wrist tunnel syndrome and elbow syndrome. Of course, it is related to cervical vertebrae. Protection also has a certain relationship.

8. The correct height of the headrest should be adjusted to the third to the seventh segment of the cervical spine, so that the cervical spine can be properly supported, effectively relieve the fatigue of the cervical spine, and prevent bone spurs or chronic spinal degeneration.

9. The correct adjustment of the back elastic force of the back pad should be based on the weight after the back is relaxed to properly adjust the back elastic force. If the elastic force is greater than the back weight, it will show that it is difficult to back up or not easy to back up, but it will cause discomfort. , if the elastic force is less than the weight of the back, there will be a feeling of insufficient support or a sense of insecurity caused by inadvertently leaning back quickly.