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Here’s how much exercise you must do if you sit at a desk most of your day!

Sep 24, 2024, 16:28 IST
Business Insider India
So, you’re sitting at your desk again. It’s been hours. Maybe you’ve only moved to grab your second cup of coffee or stretch your legs for a minute. Sound familiar?
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Whether you’re juggling emails, crunching numbers, or scrolling through social media (it’s “work-related,” right?), sitting down has become our natural habitat. And while it’s no surprise that this desk-bound lifestyle isn't doing our bodies any favours, the real question is: how much exercise do we need to offset the hours of sedentary sloth?

Turns out, about half an hour of “moderate to vigorous intensity physical activity” should do the trick, according to research that crunched data from over 44,000 people across multiple countries. Moderate to vigorous means working up a sweat — cycling, brisk walking, even gardening.

The math behind the movement

In this meta-analysis, scientists dove into nine previous studies. The results indicated that if you’re sitting for 10 hours a day, 30-40 minutes of serious activity can effectively lower your risk of an untimely death.
Now, if you’re thinking "10 hours? I don’t sit that much", a quick tally can be quite revealing. For instance, the hours you spend at your commute, your time at work and lunch, and even the relaxation after work can add up quickly. A recent Lancet study even revealed that almost half of Indian adults do not meet the World Health Organization’s (WHO) recommended levels of physical activity.

In fact, the WHO has already given its seal of approval to this approach. In its 2020 Global Guidelines on Physical Activity and Sedentary Behaviour, the WHO recommended 150-300 minutes of moderate exercise or 75-150 minutes of vigorous exercise per week. It’s all part of the same philosophy: move more, sit less.

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According to Emmanuel Stamatakis, one of the researchers involved, any movement helps — whether you’re chasing after your kids, wrestling with the vacuum cleaner, or doing some desk yoga (yes, it’s a thing).

"In active individuals doing about 30-40 minutes of moderate to vigorous intensity physical activity, the association between high sedentary time and risk of death is not significantly different from those with low amounts of sedentary time," the researchers explained.

This basically means that every little bit helps with the dying later ambitions. Walking up the stairs instead of taking the elevator? Gold star. Dancing around the kitchen while making dinner? Even better.

But how do you actually do it?

Here’s the tricky part: life. With meetings and deadlines, finding 40 minutes a day to sweat it out might feel impossible. The key is to start small. You don’t need to leap into a 40-minute HIIT class if you’re still warming up to the idea. Even standing up more frequently can make a difference.

Can’t squeeze in 40 minutes at once? Break it up! Try three 10-minute bursts of activity throughout your day. A brisk walk in the morning, a quick dance session during lunch, and a set of squats before bed – you’re already there!
And if you’re still worried that 40 minutes is overkill, the research says: chill. The benefits of moderate physical activity are cumulative, meaning every step counts. So, while 40 minutes is the goal, even smaller amounts will help.

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"As these guidelines emphasise, all physical activity counts and any amount of it is better than none," Stamatakis explains. "People can still protect their health and offset the harmful effects of physical inactivity."

What’s next?

Science is still catching up to our sitting problem. Researchers admit there’s more to learn — like where exactly the line is drawn for “too much sitting.” But one thing is clear: moving more can significantly reduce the health risks of being chained to a desk.

"We are still not clear, for example, where exactly the bar for 'too much sitting' is,” Stamatakis notes. “But this is a fast-paced field of research, and we will hopefully have answers in a few years' time."

So, while it may feel like we’re glued to our office chairs for the foreseeable future, there’s good news: we have the power to fight back. Lace up those sneakers, grab that yoga mat, and get moving – because your health depends on it.

The findings of this research have been published in the British Journal of Sports Medicine and can be accessed here.
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