Chiropractors refer to “good” posture as the proper alignment of the back muscles, bones, ligaments and tendons.
When you stand, you should have a straight back without slouching forward or leaning backward. You actually use your abdominal muscles to hold yourself upright with the shoulders tucked back from your chest.
When you sit down, the same torso posture applies. However, your legs should create a right angle to the ground with both feet flat hen you sit down, the same torso posture applies.
However, your legs should create a right angle to the ground with both feet flat against the floor.
Crossing the legs only disturbs the proper posture position.
Good posture even extends to sleeping patterns. Ideally, you should sleep on your back to keep the spine straight through the night.
Sleeping on your side is a possibility too, but be sure to add a pillow between the legs. You need to keep your legs in a particular position, so that the spine can stay straight.
Dr. Jared Cohen can help you, not only have your back adjusted, but also learn more about the proper postures you should maintain.