Set Yourself Up for Success Although you may be able to get your work done at a cramped desk, in poor light, or while you peer at a far-away computer screen, none of these things is great for your body. When you hold yourself in awkward positions, you may get problems with your muscles, tendons, ligaments, or nerves. If you already have a condition like arthritis or diabetes, you may be at higher odds of that happening. Make Leg Room a Priority Choose a work surface that offers plenty of space for your knees, thighs, and feet. Try not to sit directly in front of drawers or cabinets. They can keep you from getting as close to your computer as you should. If you need a higher surface, use sturdy boards, bricks, or blocks to prop up your desk or table legs. Protect Your Back To help keep a healthy posture, an office chair with lumbar (low back) support is best. If you use a hard-backed chair, choose one that lets your knees stay level with your hips. Pad it with a seat cushion and p...