Is it harmful to sit in the classroom during primary school growth?

Let's not talk about the harm of sitting in the classroom, just the harm of sedentary.

1, sedentary hurts meat

Chinese medicine has long recognized that "sitting for a long time hurts the meat." Sedentary, poor qi and blood, lack of exercise make muscles relax, reduce elasticity, appear edema of lower limbs, fatigue and fatigue, and even make muscles stiff, feel pain and numbness, causing muscle atrophy.

2. Sitting for a long time harms the mind and brain.

Sedentary and slow blood circulation will lead to insufficient blood supply to the brain, damage the brain and produce mental disgust, which is manifested as physical fatigue, listlessness and yawning. If you suddenly stand up, you will also have symptoms such as dizziness. Sedentary thinking consumes blood and hurts yin, and the elderly will lead to memory loss and inattention. If yin deficiency and heart fire are endogenous, it will also cause five upset, toothache, dry throat, tinnitus, constipation and other symptoms.

3, sedentary damage to the heart

Sedentary blood circulation slows down, which will reduce heart function for a long time and cause myocardial atrophy. Especially in the middle-aged and elderly people with arteriosclerosis, sedentary blood circulation retardation is the most likely to induce myocardial infarction and cerebral thrombosis. If you sit for a long time in your daily life and work, you should pay attention to whether there is a lot of visceral fat accumulation in your body ... Visceral fat is all sitting out.

4, sedentary stomach injury

Sedentary lack of general exercise will weaken gastrointestinal peristalsis and reduce the secretion of digestive juice. After a long time, there will be symptoms such as loss of appetite, indigestion and fullness.

5. sedentary injury to muscles and bones

Sitting for a long time, the neck, shoulders, waist and back keep a fixed posture, and the intervertebral disc and interspinous ligament are in a tense stalemate for a long time, which will lead to stiffness and pain in the neck, shoulders, waist and back, or difficulty in pitching and turning.

In particular, improper sitting posture (such as continuous bending of the spine) can easily lead to hunchback and hyperosteogeny.

Sedentary will also make the pelvis and sacroiliac joints bear load for a long time, affecting the blood circulation of abdomen and lower limbs, thus inducing constipation, hemorrhoids, numbness of lower limbs and varicose veins of lower limbs.

Children are naturally fond of playing, and staying in one place for a long time is not good for their growth. Sitting in the classroom for a long time, Otawa's classmates don't have much contact, which is not conducive to future interpersonal communication and will develop a quiet character. This kind of quietness does more harm than good, and it will make children not try to take the initiative to contact, and it is easy to be slightly autistic. Children know the world through play. Just let them have fun, as long as they are moderate. Ordinary primary schools are an important period for children to form their outlook on life and world, so parents should not underestimate them! ! ! !