Dimensions of home learning desks
As the national standards promulgated time is not long, but also lacks the corresponding propaganda, many parents still buy the traditional desk for the child. The traditional desk height is designed according to the national average height of adults, usually 75 centimeters. This desk, children can sit to a high stool to the table, causing the feet volley, lead to leg blood circulation, leg numb, only changing body posture to relieve leg numb. Constant shaking makes the correct distance between eyes unable to maintain, sit posture is not correct, easy to cause fatigue and distraction, injury to the body, while reducing the efficiency of learning. Healthy and correct sitting posture is feet flat on the ground, legs and the ground vertical, thigh and ground level; to sit on the right, you need a set of adjustable height tables and chairs.
School children do homework every day, use computers and read, almost all can not do without desks and chairs, improper height, distance, posture, may lead to myopia, kyphosis, and even scoliosis. The bad health of the desk is "warm boiled frog", which can cause irreversible damage to the child's health unconsciously. The myopia rate of primary school students was 28%, that of junior high school students was 60%, and that of high school students was 85%. The children's scoliosis and kyphosis increased significantly, while the incidence of cervical spondylosis tended to be younger. In a large number of grim statistics came out, drafted by the Harbin Medical University Professor, with reference to the relevant foreign standards, by the national Ministry of health to develop a specialized standard: high school from primary school in the school for the children of the ten different specifications of the height of the desk.
The size of a household study table is usually 1 meters long, 50 centimeters wide and 70 centimeters high. It can meet the needs of teenagers
