Single Desk refers to the angle between the backrest and the seat surface. The size of the Single Desk has an important influence on the degree of sitting and the loading of the spine and back muscles. It is generally believed that the seat's Single Desk can be selected within the range of 95Â° to 110Â°. Single Desk is suitable for about 100Â°, Single Desk is 101Â°~104Â°, and Single Desk is 105Â°~110Â°. The actual value measured by the Single Desk is 102.23Â°. The Single Desk is the reading seat and it is more in line with the standard. Therefore, the GBT size 104Â° is used for improvement.
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