4min read
If you have only five minutes, it is easy to decide there is no point. It is not long enough for a proper walk, a gym session or the amount of activity you intended to do, so you do nothing and wait for a better opportunity.
This is a common type of mindset: the all-or-nothing thinking. In a small study where adults repeatedly struggled to sustain an exercise programme, the participants often held rigid ideas about what counted as worthwhile activity. When the full session became unworkable, many chose to do nothing rather than adapt it. [1]
However, those five minutes can count and they add up. The more useful question is: count towards what?
A short walk after lunch, two minutes climbing up the stairs and a few minutes of resistance exercise do not produce identical effects. But none has to become a full workout before it can be worthwhile.
If you read nothing else, read this
One thing worth knowing: A short burst of movement still counts. Recent UK guidance suggests that even two to five minutes of activity, repeated through the day, has been shown to improve fitness in people who do not currently exercise. [2]
One thing to ponder: Where in your day does a five-minute gap already exist, unused, because it did not feel like enough to even bother?
One thing to experiment with: After one meal this week, take a five-minute walk and notice whether it fits your schedule and how you feel afterwards.
How a few minutes count
Current UK guidance no longer treats ten continuous minutes as the minimum unit of useful activity. Movement can accumulate across the day. A five-minute walk adds five minutes to the total amount of daily activity. [2]
That matters because a common barrier is the belief that activity is only worth starting when there is enough time to do it properly. Removing that threshold creates more opportunities to move on busy or unpredictable days.
A 2026 systematic review of 11 randomised trials found that repeated “exercise snacks”, usually two to five minutes of moderate-to-vigorous activity performed several times a day, improved cardiorespiratory fitness in inactive people. [3] The evidence was much weaker for changes in body composition, blood pressure and blood lipids. The trials were too short and too varied in their methods to show clear effects on these outcomes. Brief bouts of movement still add up.
Short bouts may also affect how the day feels. In a small crossover trial, 30 sedentary adults completed six five-minute moderate-intensity walks during six hours of sitting. Compared with sitting continuously, the walking breaks improved self-reported mood and reduced fatigue by the end of the day. Someone who spends hours at a desk may notice these changes before any physical measure shifts. [4]
Compared with doing no exercise at all, people who managed just 15 minutes of moderate activity a day, about 90 minutes a week, had a 14% lower risk of dying from any cause, and lived roughly two and a half to three years longer, in a cohort of over 416,000 adults followed for an average of eight years. [5] The same pattern, greatest benefit at the low end of physical activity, holds up in later cohorts.
So, going from nothing to something produces the biggest relative gain, and is about as well-replicated as anything in this field, confirmed independently across Taiwan, the US, Sweden, China, and Spain, over multiple decades, and it survives the studies that specifically controlled for reverse causation (where poor health is the reason someone isn’t active, not the other way around).
Why moving after a meal can affect blood glucose
After a meal containing carbohydrate, glucose enters the bloodstream and insulin helps move some of it into tissues, including skeletal muscle, to keep blood glucose within a tight range. Muscle contraction supplies another signal for glucose transport into the muscle that is not dependent on insulin. Moving while blood glucose is rising gives active muscle, a tissue very demanding for energy, an immediate use for some of the available glucose.
This helps explain why walking or other light-to-moderate movement soon after a meal can reduce the glucose rise that happens at that time. A systematic review of small crossover trials, in people with type 2 diabetes and pre-diabetes / insulin resistance, found that exercise performed as soon as practical after a meal was more effective for dampening the blood glucose response than exercising before eating or remaining inactive. [6] A 2026 meta-analysis of a further eight trials found the same pattern, a meaningful drop in the glucose spike after a meal, although the response varied considerably between studies. [7]
The finding is still useful, because it shows that not only “exercise is good for you”, but also a short walk after a meal may reduce the post-prandial glucose rise, even though the size of the effect will vary. Cumulatively, it matters for long-term health.
What short movement does not replace
Short bouts do not provide every benefit in equal measure.
Cardiorespiratory fitness, how well the heart, lungs, circulation and muscles support sustained activity, improves when enough aerobic activity is completed at an appropriate intensity, whether in short bouts or longer sessions.
Strength improves when muscles meet resistance that is harder than they are used to and that demand increases over time, a principle known as progressive overload.
Balance (staying steady and controlled while standing, turning or stepping), skill (the ability to perform one specific movement pattern well, such as getting up off the floor without using your hands, or catching yourself if you trip) and mobility (how freely a joint moves through its full range) each need practice built around that exact pattern, not just general fitness.
A five-minute walk adds to the total amount of activity for the day, and can affect the immediate glucose response when taken after a meal. A set of squats, calf raises or push-ups between tasks adds muscle-strength work. A hard two-minute stair climb may challenge the cardiorespiratory fitness.
None replaces a full strength-training programme with progressive overload. A five-minute walk earns its place for the activity total and the glucose effect it actually produces. For strength, balance, skill and mobility, it's still worth building a separate practice alongside it.
A practical place to begin
Find one opportunity that already exists in your busy schedule, rather than designing an elaborate new routine. You might walk for five minutes after a meal, take the stairs at the next opportunity, or use a short gap between tasks or appointments for some body-weight exercises such as squats, calf raises, and push-ups, a few stretches or a walk around the block. Choose something you can do safely and you enjoy.
It does not have to feel like a workout. What matters is whether it is easy enough to repeat. Feel free to experiment more.
Five minutes can be enough to move your body in a way that supports your health, even though it is not a complete work-out programme.
Next time the choice feels like all-or-nothing, choose something.
If you want help working out what's worth your effort and what isn't, get in touch. We’ll have a friendly conversation and you'll leave clearer on what actually drives results in midlife, whether or not we work together.
References
Segar ML, Updegraff JA, McGhee-Dinvaut A, Taber JM. The secret life of all-or-nothing thinking with exercise: new insights into an overlooked barrier. BMC Public Health. 2025;26(1):298. doi:10.1186/s12889-025-25780-9
UK Chief Medical Officers. UK Chief Medical Officers’ Physical Activity Guidelines. Department of Health and Social Care, 10 July 2026.
Rodríguez MÁ, Quintana-Cepedal M, Cheval B, Thøgersen-Ntoumani C, Crespo I, Olmedillas H. Effect of exercise snacks on fitness and cardiometabolic health in physically inactive individuals: systematic review and meta-analysis. Br J Sports Med. 2026;60(2):133–141. doi:10.1136/bjsports-2025-110027.
Bergouignan A, Legget KT, De Jong N, Kealey E, Nikolovski J, Groppel JL, Jordan C, O’Day R, Hill JO, Bessesen DH. Effect of frequent interruptions of prolonged sitting on self-perceived levels of energy, mood, food cravings and cognitive function. Int J Behav Nutr Phys Act. 2016;13(1):113. doi:10.1186/s12966-016-0437-z.
Wen CP, Wai JPM, Tsai MK, Yang YC, Cheng TYD, Lee MC, Chan HT, Tsao CK, Tsai SP, Wu X. Minimum amount of physical activity for reduced mortality and extended life expectancy: a prospective cohort study. Lancet. 2011;378(9798):1244–1253. doi:10.1016/S0140-6736(11)60749-6.
Engeroff T, Groneberg DA, Wilke J. After Dinner Rest a While, After Supper Walk a Mile? A systematic review with meta-analysis on the acute postprandial glycemic response to exercise before and after meal ingestion in healthy subjects and patients with impaired glucose tolerance. Sports Med. 2023;53(4):849–869. doi:10.1007/s40279-022-01808-7.
Hu X, Sang X, Xu J, Chen P. Acute effects of "exercise snacks" on postprandial glucose and insulin responses in populations at metabolic risk: a meta-analysis with exploratory meta-regression and vascular outcomes. Front Endocrinol. 2026;17:1912963.