Children’s health code for using computers
Cases in which children have long-term use of computers to cause muscle strain are rapidly growing, and incorrect posture and long use time are major factors. Parents should choose the right computer equipment and correct the child’s improper sitting posture and gestures to avoid damage to the child’s young muscles due to long-term use of the computer.
schools and parents should buy seat back height-adjustable seat, adjustable range should be 38 to 54 cm, stool surface; places rounded edges or scroll design load bearing capacity than the edge Good, it is best to have five casters. When sitting down, there should be enough space in front of the knees. If necessary, add a firm foot on the ground.
The desktop is arranged
with a computer desk with a height adjustable table. When the keyboard is operated by both hands, the forearm and the upper arm are approximately 90 degrees. If necessary, the forearm or hand support can be used to reduce fatigue. The bottom of the computer screen should be equipped with a rotatable, tilting support so that the screen and the line of sight can be at right angles. In addition, the original when the text is input should be placed on the adjustable document holder.
Using the keyboard
teachers and parents to teach their children, while typing the keyboard should be placed on the desktop in front of the body, to avoid the keyboard placed diagonally caused by excessive wrist bending tension. The height of the keyboard should also be adjusted to a comfortable position.
of the mouse The general mouse may not be suitable for young children under the age of one. The button is far away and it is difficult to move on a small desktop. Parents can choose a smaller mouse with a smaller weight or replace the mouse with a “trackball” fixed on the table.
Personal posture When
sitting, the upper body should be straight, the hips should be as close as possible to the back of the chair; between 35 and 60 cm from the fluorescent screen; when the wrist is placed on the keyboard, the upper inclination should not be higher than 10 degrees. Parents can also teach children to maintain a natural posture. When using computer for a long time, they should change their posture frequently and add rest time. During this period, they can relax the neck, shoulder, waist and forearm.
Teach children to do simple calisthenics
parents can guide their children on a daily basis, the following actions afternoon, in order to improve muscle flexibility young children, in order, after the completion of the entire exercise can be repeated four times.
- Sit , his hands shot thigh, make a fist, elbow bent, arms straight up, then bend the elbow make a fist.
- Stand up and sit down.
- Standing, hands clasped thighs, fists, elbows bent, arms straight up, clenched elbows.
- Standing, holding hands behind each other: waist down, right, bend down, restore.
- Standing, palm up, fist, elbow bend, waist bend left and right, then restore.
- Sitting, head and neck hanging forward, back, and restored.
- Sitting, hands on the legs, standing up, arms raised.
- Sitting, hands drooping; wrists and ankles down and down at the same time.
- Sitting, hands drooping; wrists and ankles simultaneously up and down.
- Sitting, shoulders moving forward, up, and back.
In addition, children should have a balanced diet and adequate sleep; in addition to using computers to do homework or play games at home, they should also regularly exercise, such as swimming, hurried walking, cycling, etc., several times a week, each time 30 to 45 minutes can effectively prevent and improve discomfort.