-41 minutes of sitting a day. Not from the subscription. From the dog.

The cheapest coach costs nothing, doesn’t need a training plan, never misses a session and works with 100% compliance. All you have to do is feed him.

Swedish pilot study Smedberg et al. (April 2026, PLoS ONEIt considered what happens to people and dogs when a pair trains together for 8 weeks – running plus circuit training. The numbers are simple, the conclusion is deeper.

What have [they/you] done

15 “owner + dog” pairs, 8 weeks. Programme designed by the Swedish Working Dog Association. Joint running – twice a week, distance of choice: 2, 5, 7.5 or 10 km. For 10 km – three times. Plus circuit training with exercises that can be done alongside the dog.

Activity was measured using an accelerometer - objectively, not by self-report. Measurements were taken before and during the intervention.

What did they find (in humans)?

• +5 mins vigorous-intensity activity per day (p = 0.04)
• -41 minutes sedentary time per day (p = 0.01)

This is not “a little more walking”. 41 minutes less sitting is a reformatting of the day. Solely due to the obligation – that the dog needs to be walked, and you’re not walking it for 10 minutes by the entrance, but for training.

Interestingly, at the start, most participants were already meeting the WHO’s general recommendations for physical activity (150 minutes of moderate activity per week). The programme did not “take them from zero to active”—it increased the intensity and reduced sedentary behaviour on top of what was already a decent baseline level.

What was found (in dogs)

Activity in dogs did not grow. This sounds strange – they were running with their owners before. But the accelerometers on the collars showed: the dogs were already active before the programme. The training didn't increase their intensity, because for many it was already at its maximum.

In the previous pilot for the same group (2024, Scientific ReportsDogs were observed to have a decrease in body condition score – that is, mild weight loss without changes in feeding. In this iteration, this effect was not statistically captured.

So the main effect isn't on the dog. It's on the person.

Why is the dog working

Compliance is the biggest problem with physical activity. Not “what to do” (everyone knows that), but “to do it regularly”. This is a classic issue in behavioural psychology.

The dog closes this through three mechanisms:

1. External obligation. You can skip a workout — but your dog can’t skip a walk. You can make excuses to yourself (“it’s raining today, I’ll go for a run tomorrow”) — but your dog is standing there on the lead, watching.

2. Ritual. Activity is tied not to mood, but to time. The 7:00 AM output is independent of whether you've slept well or not. This eliminates daily decision-making stress.

3. Partner who does not bargain. Human training partners can cancel, say “let's do it tomorrow”, or slow down to match your mood. A dog won't. He wants to run.

These are not sentiments. This is the mechanics of accountability, which in behavioural science are called “implementation intentions” (Gollwitzer 1999) and “external commitment” (Beshears et al. 2015). A dog is the most elegant implementation for the average person: no need to negotiate, no need to adapt, no need to pay anyone.

What does this mean for those who don't have a dog

Don’t rush to the shelter. The study doesn’t say “get a dog to stay healthy” — it says that an external commitment reduces the amount of time spent being sedentary. The same effect can be achieved by:

• Training partner, with whom you agreed on a specific time
• Group fitness with a fixed schedule
• Walking clubs / running clubs — especially those where the presence of
• The coach with whom the session is scheduled — a financial penalty for non-attendance
• Children and sport, …which involves driving them around and waiting—this also increases the parents’ own activity (Sleddens 2017)

This all works on the same principle: move the “train or not to train” decision outside the individual day. Make it the default, not a question.

The reverse side

If the owner is inactive, the dog is inactive. Sedentary obesity in dogs is a real public health problem in developed countries. In the US, 56% dogs are overweight (APOP 2023). Owners and dogs tend to mirror each other’s behaviour—for better or for worse.

And another thing: a dog won’t turn you into a runner if you’re not ready to be one. It’s not a magic wand — it simply reinforces your existing routine. If you’re already motivated, the dog helps turn that into a ritual. If you’re not, this isn’t the place to start.

Restrictions

Pilot - 15 pairs. Small sample size. Not RCT - no control group of owners who didn't train. This means part of the effect can be explained by the Hawthorne effect (people become more active because they are being measured). The Swedish sample - culturally different from a typical Ukrainian city, where a dog is often walked for 10 minutes near the house.

However, the direction of the effect and the logic behind it are supported by further literature. Dog owners have higher activity levels compared to non-owners (Christian 2013, meta-analysis). This is particularly strong in older age groups (Curl 2017).

Conclusion

41 minutes less sitting per day is 5 hours a week, 20 hours a month, 10 full days a year. No subscription, no plans, no willpower. Because of a creature that wants to run.

If you already have a dog, invest in joint training, don't limit yourself to just “walking” it. If you don't, find your analogy for commitment. The principle is the same.

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Source: Smedberg K, Bergh A, Roman E, et al. Effects of a joint outdoor exercise program for dog owners and dogs on physical activity, sedentary time and sleep-related behaviours. PLoS ONE 2026. DOI: 10.1371/journal.pone.0346895

Additionally: Christian HE et al., Health Educ Behav 2013; Curl AL et al., Gerontologist 2017; Smedberg K et al., Scientific Reports 2024.