Tips for a good posture include utilizing a chair with back support, keeping your foot rested on the floor or on a footrest, and taking frequent breaks – a two minute break every half hour.
You can also use relaxation techniques to get your posture right. Take a few deep breaths in and out every 30 minutes and observe the physical sensations in your body. Straighten your spine and again observe the changes in your body.
By focusing on body, breath and sitting habits, you can find your way to good posture.