In today’s fast-paced world, many people struggle to find time for regular workouts. But staying physically active remains key to healthy ageing and avoiding chronic illnesses. Now, experts are highlighting a simple and effective method that can help — especially for those who sit for long hours at work. It’s called the ‘2 per 20’ rule.

According to health experts, this rule suggests that for every 20 minutes you spend sitting — whether at your desk or on the couch — you should get up and move for just two minutes. These movements don’t have to be intense. Light activities like walking around the room, stretching, or simply pacing can make a big difference.

Dr Manisha Arora, Director of Internal Medicine at CK Birla Hospital in Delhi, explained that this small routine can reduce blood sugar spikes after meals by up to 25%. “It’s a simple but powerful strategy. Just moving for two minutes every 20 minutes helps keep your blood sugar stable,” she said.

The science behind it is straightforward. When we sit for too long, our leg muscles remain inactive, which affects the body’s ability to absorb glucose. Dr Birali Swetha, Chief Dietician at Gleneagles Aware Hospital in Hyderabad, said, “Even light activity boosts muscle movement, helping your body absorb glucose better and improving circulation.”

Dr Arora also noted that regular micro-movements can lower insulin levels by around 25%, showing improved insulin sensitivity. This is especially helpful for people at risk of diabetes or those in the early stages of the disease. “Many office workers lead sedentary lives. This method is practical for those who don’t have time or motivation to exercise regularly. It’s about building awareness that even small movements matter,” she added.

Interestingly, Dr Arora pointed out that even everyday actions, like taking 30 seconds to slowly sit down, can have the same effect as taking several steps. These small changes throughout the day add up.

While this routine isn’t a replacement for proper exercise — which remains important for heart health and muscle strength — the ‘2 per 20’ rule is a useful tip for people with busy schedules or mobility issues. When combined with a healthy diet, good hydration, and necessary medications, it can support better blood sugar control.

For anyone sitting for hours daily, this tiny habit might offer big benefits — without needing a gym.