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Desks and chairs are good for children's health

Desks and chairs are good for children's health

Desks and chairs are good for children's health

1 bags can only be put on the chair
In the national standard, the height of desks and chairs with different height matching is based on the correct sitting posture. The correct posture requires students thigh after 2/3 to 3/4 should be placed on the chair, feet flat on the floor so that no obvious pressure under the popliteal fossa.
 
But the reality is most often found the seat bag occupied, students only 1/3 or less in the thigh after the chair, the chair should apply the students subjective feeling of higher. In the long run, when this bad sitting habit, it will make it difficult for students to adapt to reasonable chair height, reasonable height of desks and chairs of poor acceptance.
 
The 2 part of the desks and chairs are not up to standard
In reality, there are some desks and chairs in primary and secondary schools that do not meet the requirements of the national standards. The main performance is to obtain more storage space compression under the table 1 high clearance (H1, between the edge and the ground under the desk drawer, distance) compared with the GB is small. 
In this case, it is necessary to lower the chair or raise the desk for the students to be seated.
The 3 part, the school desks and chairs are equipped with unreasonable
 
At present, there are some areas where there is a single or unreasonable distribution of chairs and tables in the course of bidding and purchasing. More common is the purchase, the same height adjustable desks and chairs to the uniform distribution of high school, junior middle school and primary school pupils, but not tall enough to match these desks and chairs, even to the lowest relative to the primary school students are high.
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