Fortunately, to correct the posture is quite realistic. There are many methods and everyone can choose what is convenient for them. The first and one of the most pleasant methods can be dance classes. This is actual and fashionable today, and if you consider that this will help you straighten up, and find new acquaintances, then dancing is generally a panacea.
The second method is regular gymnastics and trips to the pool. Doing sports will make your body healthier and more mobile. But it is precisely the movement that the modern person lacks most. The pool will be an opportunity not only to improve the tone of the body, but also to improve the psychological state. After all, water has a peculiar sedative effect.
The third option, start wearing a special corset. Today in any pharmacy, without any prescription or direction, you can buy an elastic bandage. It will help support your back in the right position throughout the day. For many, this is the only way, do not bend into three deaths with constant work at the computer.
Fourth option, change chair and mattress. It is very important that your workplace is comfortable for you and your back. If you seriously decided to correct the posture, then to change the chair at work and at home, this is the right decision. Note that sometimes it's enough just to change the settings of the chair, and this will have its effect. As for your bed, the orthopedic mattress still did not bother anyone. Quite often, people sleep in very unusual poses, which leads to violations of posture. In most cases, the cause of this state of affairs is an uncomfortable bed. Correct this defect and all get better.
Well, the last, the most complicated method. It is based on self-control and self-discipline. You need to watch your posture all the time and then sooner or later it will come back to normal.
Good luck in your work on yourself and be healthy!