Module 9 · Movement & body care · Moderate evidence

Sitting less

Long unbroken sitting has costs of its own. Easy ways to break it up.

6 min read · Level: Beginner · Free — no account needed to read

The idea

Many of us sit for most of the day — at desks, in cars, on sofas. Long, unbroken periods of sitting (sedentary behaviour) are linked with health risks, even for people who exercise. WHO’s guidelines recommend limiting sedentary time and replacing some of it with activity of any intensity.

The good news: breaking up sitting helps. Standing up every 30 to 60 minutes, walking while on phone calls, taking the stairs, and doing short movement breaks all add everyday movement. Research also suggests higher amounts of activity can offset much of the risk of long sitting.

Everyday movement — sometimes called non-exercise activity — adds up: housework, gardening, walking to shops, playing with children. It all counts.

Why it works

You don’t have to become an athlete to reduce the risks of sitting. Small, regular breaks throughout the day make a real difference.

A real example

The situation

Pradeep works at a computer for nine hours a day and often doesn’t get up for hours at a time.

What happened

He sets a reminder to stand and move for a couple of minutes every hour, takes phone calls standing up, and walks to a café further away at lunch. He feels less stiff and more alert in the afternoons.

The takeaway

Small breaks through the day added up to a lot less sitting.

Use this when you are…

• you sit for most of the day
• you feel stiff or sluggish
• you don’t have time for exercise sessions

Common mistakes

• Thinking one workout cancels out a whole day of sitting.
• Ignoring everyday movement because it isn’t “real exercise”.
• Sitting through breaks — at a screen, on a phone.

What the evidence says

Moderate evidence: Several studies support it, but the effects are smaller, the studies are fewer or less rigorous, or results vary between groups.

Large studies link high sedentary time with health risks, and WHO recommends reducing it. How much of the risk comes from sitting itself, rather than from less activity overall, is still studied.

Where this comes from: WHO guidelines on physical activity and sedentary behaviour (2020); Exercise and health research.

Fields that study this: Exercise science, Public health.

Try it now: Break up your sitting

1. Set a reminder to stand up every hour today.
2. When it goes off, move for two minutes — stretch, walk, climb stairs.
3. Find one task you could do standing or walking.

Practise with a guided technique

• Movement break — (3–5 min · Moderate evidence)
• Five-minute mobility — (5 min · Practical evidence)

Questions to think about

• How many hours a day do you spend sitting?
• Where could you add movement to your normal routine?

Try this today

Stand up and move for two minutes every hour you are sitting today.

Afterwards, ask yourself

How did breaking up your sitting change how you felt?

Words in this lesson

• Sedentary behaviour — Time spent sitting or lying down while awake, using little energy — such as desk work, driving or watching TV.