What is an exercise snack?
It's one short burst of movement, done by itself, a few times a day. No warm-up, no workout clothes, no gym. You do it and go back to whatever you were doing.
You'll see a few names for this in the research. Exercise snacking, snacktivity, and VILPA, which stands for vigorous intermittent lifestyle physical activity [1]. That last one is a mouthful, but the definition has the most important part in it. These bouts are done as part of daily living
[2]. They fit into your day. You don't schedule your day around them.
Do exercise snacks work?
The best-known study here looked at 25,241 adults who did no formal exercise at all [2]. They wore activity trackers, and the researchers counted the short vigorous bouts that happened during normal life. Things like hustling up the stairs or speed walking to catch a bus.
The typical person did about 3 bouts a day, 1-2 minutes each. That's 4.4 minutes a day total. Compared to people who did none, they had 38-40% lower risk of dying from any cause and 48-49% lower risk of dying from heart disease [2].
There's also good evidence for the lighter end of this. In a smaller study, 2 minutes of slow walking every 20 minutes cut the blood sugar spike after a meal by 24.1% and insulin by 23%, compared to sitting straight through [3].
Why do people struggle with exercise snacks?
A 2024 review of the research looked at why people have a hard time sticking with exercise snacks [1]. They lost motivation to do several sessions a day, forgot to do them, and found doing the same short bout over and over boring. Notice that the exercise being too hard isn't on that list. Remembering and repetition are.
How long does an exercise snack need to be?
Not long at all. Most of the research uses bouts between 20 seconds and 2 minutes.
| Bout length | What it looks like | What the research used it for |
|---|---|---|
| 20-30 seconds | Stair climb, set of squats | Common in exercise-snacking fitness trials |
| 1-2 minutes | Fast walk, carrying shopping uphill | The VILPA mortality analyses |
| 2 minutes, light | Slow walk at 2 mph (3.2 km/h) | Glucose and insulin trials |
At the median from the big study, you're looking at under 5 minutes a day. You probably spend more time than that waiting for meetings to start.
What counts, and what doesn't
Things that count: taking the stairs quickly, a brisk walk to grab lunch, squats while a meeting loads, 10 push-ups next to your desk.
Standing doesn't really count. It's better than sitting, but it isn't a burst of effort. That's a different problem.
Your normal gym session doesn't count either. Keep doing it! Exercise snacks are for the sedentary moments and not a replacement for full-length workouts.
How do you remember to do them?
This is where most advice falls flat. If forgetting is the main problem, reading another article about why exercise snacks are good isn't going to fix it. You need something outside your own head to interrupt you.
That's what Sporadic does. You pick a stack, and we send you a notification at a random time with the exercise and the rep count, like 15 squats. Each stack gives you a set amount of time to get it done, so you can't put it off all day. Since the exercise changes, it doesn't get as boring as doing the same thing every time. The free Get Up, Get Active stack sends 2-4 a day with no equipment needed.
If you sit at a desk all day, our movement at work page goes through which stacks fit best. And if you want a plan for a single workday, read exercises for people who sit all day.
Start snacking today for free.
Get up. Get Active. Get Sporadic!
Frequently asked questions
Are exercise snacks as good as a real workout?
No. The research shows modest fitness gains, not the results you'd get from a real training plan. Where exercise snacks shine is for people doing nothing at all, or for breaking up long hours of sitting. If you already work out, think of them as something extra.
How many exercise snacks should I do per day?
About 3 is a good place to start. That's the median in the big Nature Medicine study, and it added up to 4.4 minutes a day. There's no magic number though. If 3 feels easy, add more. If 3 feels like a lot, start with 1 and build from there.
Do exercise snacks need to be vigorous?
It depends on what you want out of them. The mortality research looked at vigorous bouts, the kind that get you breathing hard. But the blood sugar research used slow walking at about 2 mph and still found a big effect. Light movement helps too. Vigorous just gets you more for your time.
Can I do exercise snacks if I'm unfit or older?
The 2024 review covered both adults and older adults, and the whole idea is that the bouts are short and scaled to you. Start light, like a brisk walk or a few squats to a chair.
Is an exercise snack the same as VILPA?
Pretty close. VILPA is the research term for short vigorous bouts that happen during normal life, like running up the stairs. "Exercise snack" is the everyday name, and people use it for lighter movement too. Snacktivity is another name you'll see. They all mean short bursts spread across your day.
Sources
- Jones MD, Clifford BK, Stamatakis E, Gibbs MT. "Exercise Snacks and Other Forms of Intermittent Physical Activity for Improving Health in Adults and Older Adults: A Scoping Review of Epidemiological, Experimental and Qualitative Studies." Sports Medicine. 2024;54(4):813-835. doi:10.1007/s40279-023-01983-1
- Stamatakis E, Ahmadi MN, Gill JMR, et al. "Association of wearable device-measured vigorous intermittent lifestyle physical activity with mortality." Nature Medicine. 2022;28(12):2521-2529. doi:10.1038/s41591-022-02100-x
- Dunstan DW, Kingwell BA, Larsen R, et al. "Breaking Up Prolonged Sitting Reduces Postprandial Glucose and Insulin Responses." Diabetes Care. 2012;35(5):976-983. doi:10.2337/dc11-1931