Long hours at a desk are part of many jobs, whether in an office or at home. The MedlinePlus guide to good posture suggests switching sitting positions often and taking brief walks around your office or home. This article shares small habits you can try, from workspace tweaks to short breaks.

Ergonomics means designing work tasks and the work environment to suit the people doing them, according to the CDC. Even small changes to how you sit and set up your desk are a good place to start. None of these steps is a quick fix, and the goal is comfort, not a perfect pose.

Set up your workspace to fit you

The MedlinePlus guide to good posture offers practical sitting tips, such as not crossing your legs and relaxing your shoulders. It also suggests making sure your back, thighs and hips are supported.

Bodies and chairs differ. Use this checklist as a starting point and adjust it to fit you:

  • Keep your feet on the floor, or on a footrest if they do not reach.
  • Keep your elbows close to your body and bent between 90 and 120 degrees, as MedlinePlus describes.
  • Place your screen where you can see it without tipping your head forward or back.
  • Keep the items you use most within easy reach to limit awkward reaching and twisting.

The CDC lists awkward or unnatural postures among work conditions that can lead to muscle and joint problems. That is one reason a comfortable setup matters. A setup that works for one person may not suit another, so small adjustments are normal.

Break up long stretches of sitting

The CDC's adult activity page says to move more and sit less, and notes that some physical activity is better than none. That page adds that adults who sit less and do even small amounts of moderate or vigorous activity gain some health benefits.

Short breaks may also support comfort. A small study of 15 sedentary office workers, listed in the CDC's research repository, found less discomfort over four hours when sitting was interrupted with 10 minutes of standing each hour. A second study of office workers suggests that short standing breaks during long sitting periods may help limit discomfort.

Breaks do not need to be long or formal. Try one or two of these ideas:

  • Stand up during phone calls or while you read.
  • Walk to refill your water or take a short lap around the room.
  • Take a walking lunch break, one of the ideas on the CDC's list for adding activity.
  • Use a simple timer as a nudge to stand up each hour.

Try a few gentle stretches

The MedlinePlus posture guide suggests gently stretching your muscles from time to time to help relieve muscle tension. It also says that many kinds of exercise may help improve posture, and that yoga, tai chi and other classes that focus on body awareness can be especially helpful.

Talk with a healthcare professional before starting a new stretching or exercise routine, especially if you have pain or an injury. Move slowly and stop if anything hurts. These easy moves are a gentle place to begin:

  • Shoulder rolls: lift your shoulders toward your ears, then roll them slowly back and down.
  • Standing side reach: rest one hand on a stable desk, raise the other arm overhead and lean gently toward your supporting hand, then switch.
  • Seated twist: sit tall in a stable chair and turn gently to one side, keeping your hips facing forward, then switch.
  • Calf raises: rest your hands on a stable desk or wall for support, rise onto the balls of your feet, then lower slowly.

Keep your breathing easy, and pause for a few breaths at the end of each reach or turn. A stretch should feel like mild tension, not pain.

Make it stick, and know when to get help

Start with one change, such as adjusting your screen or standing for phone calls, and add another when it feels natural. Pair each habit with something you already do, like standing while a file loads. Linking habits to daily cues may make them easier to remember.

Posture is one part of a bigger movement picture. The CDC says adults need 150 minutes of moderate-intensity activity a week and at least 2 days of muscle-strengthening activity, so regular movement outside work counts too.

Notice how your body feels during and after the workday, and adjust your setup or breaks when something feels off. Pain that lingers, spreads, or comes with numbness, tingling or weakness is a reason to talk with a healthcare professional.

Small habits can add up, but they do not replace personal advice. A physical therapist or other qualified professional can look at your workspace and movement and suggest changes that fit you.