How Long You Need To Walk For To Undo The Nasty Effects Of Sitting All Day

Led by Keith Diaz, Ph.D., an associate professor of behavioral medicine at Columbia University, this study tested a variety of mini-walking sessions, which they called exercise “snacks,” on a group of 11 adults. All 11 participants sat in an ergonomic office chair for eight hours, getting up only to use the bathroom or for their prescribed exercise “snacks.” While the participants sat there (don’t worry, they were allowed to work, read, or use their smartphones!), the researchers measured their blood sugar and blood pressure levels, which are good markers of cardiovascular health.

The different types of exercise “snacks” included:

Not surprisingly, the results showed that five minutes of walking for every 30 minutes of sitting was the most beneficial. What was surprising, however, was just how beneficial this exercise “snack” was. While five minutes doesn’t seem like much, a five-minute walk break can offset some of the most detrimental effects of sitting all day.

Specifically, the study found that five minutes of walking led to a statistically significant reduction in blood sugar and blood pressure levels. After large meals, the participants who walked for five minutes every 30 minutes had 58% lower blood sugar spikes than those who sat all day. The results also showed that walking for one minute every 30 minutes was also beneficial but not nearly as much. Walking once an hour for either one minute or five minutes did not benefit blood sugar levels.

Perhaps even more interestingly, all exercise “snacks” significantly decreased blood pressure levels by 4 to 5 mmHg. According to Diaz, “This is a sizable decrease that’s comparable to the reduction you would expect from exercising daily for six months.”

The researchers didn’t stop at cardiovascular risk, either. In fact, the results also showed that all the snacks–except walking for one minute every hour–led to improvements in fatigue levels and mood. As Diaz explains, “The effects on mood and fatigue are important…people tend to repeat behaviors that make them feel good and that are enjoyable.”

With only 11 participants, this is an extremely small study, so we have to take the results with a grain of salt. Still, it’s very helpful to have a concrete idea of how frequently and for how long we need to walk to counteract the effects of sitting. Fortunately, the same group of researchers is conducting another study testing 25 different exercise “snacks” on a larger sample size of people, which will give us even more clarity. For now, what we know for sure is that getting up to walk to get coffee, investing in a standing desk, or scheduling a walking meeting can benefit our health in more ways than one.

If you want to walk more during your workday, here are some ideas to help you accomplish that:

Researchers tested several types of walking breaks and found that if you want to reap the greatest benefits, walking once every 30 minutes for 5 minutes is the goal. Fortunately, there are a lot of ways to incorporate walking into your day.