Right how to sit down on chairs

Are the all of you aware of what kind of how to sit down oneself usually does?
When you watch TV when you eat, you concentrate on cooking and a TV screen in the very front, and I wonder if it is said that you can turn to the attention in too much one's posture and way of sitting down.
You watch TV and think that you come to have had a pain in a waist for a long time.
This is the evidence that has put an excessive burden on a waist before you notice.
When the burden to a waist leaves it, you stand steadily and cause the future lumbago and sciatic neuralgia.
When you sit down on a chair, you are deep so that the back is accompanied, and a waist sits on the parallelism, and it is said that the state that you bend a knee, and the whole sole goes to bed is an ideal.
When you are shallow and sit, you come to have a pain in a waist immediately.
The reason is because a waist warps before.
The height of chair will choose the thing in accord with one's body, too.
You become forward bending after the muscle of the knee is tense when too high, and bending a hip joint more than required when too low.
Because buttocks sink, the too tender sofas are said to be it when they are hard to take the right attitude.
Even if oneself intends to relax, in fact, it is often that useless power gives stress to a waist.
When you are careful to once, way of sitting down of oneself in the sake that does not become lumbago and the sciatic neuralgia, how will about it.