Reading by the lying prone

You remember that you learned a right attitude when you read a book in an elementary school.
You pulled buttocks and sat down on a chair and learned it when it was beautiful posture that you grew straight the back, and read.
However, how long will there be the person reading with a real such posture?
Actually you think that there are many you read a magazine and a book while lying at full length on a thing of Bet people when it is not possible for rirassuku you sit down on a hard chair, and to read it when you let up somehow when you are tired.
The one is relaxed, and the person you concentrate on it, and to be able to read will enter inside.
However, you come to have a pain in a waist when there is it with this posture for a long time.
As for reading in the pronation, the burden to a waist is very big, and the symptom of the sciatic neuralgia to produce may come out of the distortion of the waist to the person whom such a custom already sticks to not to mention lumbago in future.
The burden on waist and the act to be connected to be warped are hi kerurubekidesu in what the burdens on longtime waist pile up as for the sciatic neuralgia, and tend to come out as symptoms such as a pain or the numbness as much as possible now.
Therefore the reading custom of the lying prone stops, and let's keep the comfortable posture that thought about the burden of the waist in mind.