This document provides tips for maintaining good posture while working at a desk to promote health. It recommends sitting back in your chair with good back support, keeping your forearms parallel to the desk and screen at arm's length and eye level. Proper posture also includes keeping your head balanced and not leaning forward, arms relaxed at your sides, feet flat on the floor or a foot rest, and space behind the knees. The document is from Posturite Ltd and provides helpful hints for an ergonomic workstation setup.