US Study: Why Walking Alone Is Not Enough for Real Fitness Protection

A new US study now suggests that genuine fitness protection requires more.

People who walk a great deal often assume they are automatically doing enough. Their step-counting app is full, the dog has been walked, and they go to work on foot – job done, they think. However, a large US analysis challenges that impression: walking is a valuable starting point, but it is far from the complete package needed to protect the heart, muscles and metabolism.

Walking is the leading leisure-time activity – but it has limits

Researchers led by Christiaan Abildso of West Virginia University analysed telephone interviews with almost 400,000 adults. Participants were asked which type of sport or exercise they most commonly did in their leisure time. They could choose from 75 different activities.

The findings showed one clear favourite in both urban and rural areas: walking. Around 44 per cent of respondents identified a stroll or brisk walk as their main activity. Whether they lived in a large city, a small town or a remote area, putting on shoes and heading out remained the classic choice.

Walking is the most frequently chosen form of exercise – but many people still fall well below health recommendations.

Away from walking, there was a marked divide between cities and rural areas:

• Rural areas: Gardening, hunting, fishing and physically demanding work around farms and fields were among the preferred activities.
• Cities: People in urban areas were considerably more likely to choose jogging, strength training, cycling or dance classes.

The setting therefore clearly influences the type of exercise people choose. Where cycle routes, gyms, parks and sports clubs are available, people develop different routines from those in places where long distances, limited infrastructure and substantial physical work dominate everyday life.

Only one quarter meets the official fitness targets

The study's central question was whether the walking done by these people was actually enough to meet physical-activity recommendations.

US health authorities – similarly to the WHO and institutions in Germany – set out two targets:

• Endurance: at least 150 minutes of moderate-intensity activity each week, such as brisk walking at a pace where conversation is still possible.
• Muscles: targeted training for major muscle groups, including the arms, legs and core, on at least two days per week.

Among people whose main leisure-time activity is walking, only around 25 per cent meet both targets at the same time. Put another way, just one in four people who rely on walking exercise for long enough and also train their muscles regularly.

Particularly striking was that around 22 per cent of walking enthusiasts miss both recommendations. They are “out and about” in some sense, but neither achieve the required duration nor provide their muscles with meaningful stimulus.

Those who only stroll gently feel active – but often remain in a grey area from a health perspective.

This makes it clear that walking alone, especially at an easy pace, often provides too little stimulus to influence blood pressure, blood sugar, body weight and muscle mass optimally. Many people therefore need a second pillar alongside it.

City versus countryside: where exercise is easier

A further look at the data revealed that people in rural areas are, on average, less active than city residents. That may seem surprising, as country life is often associated with “plenty of fresh air”.

There are plausible reasons for this:

• fewer gyms, sports clubs and classes within easy reach
• hardly any cycle routes or safe running routes beside major roads
• long distances, meaning people often use a car rather than walk or cycle
• shift work and irregular hours in many occupations

Cities offer a broader range of options, including affordable gyms, parks, public sports grounds, swimming pools, yoga studios and dance studios. This lowers the barrier to trying different activities and sticking with them.

Why walking alone is often not enough for fitness

Doctors have stressed for years that physical activity protects against cardiovascular disease, diabetes, depression and even certain cancers. The catch is that the effect depends on the dose.

Someone who strolls slowly uses little energy, barely raises their heart rate and only places a light demand on their muscles. The body needs stronger signals to produce real training effects. Otherwise, the benefit remains limited.

Three factors matter in particular:

• Pace: Brisk walking, where breathing becomes faster but talking is still possible, counts as moderately strenuous. A gentle stroll generally does not.
• Duration: Many people overestimate how long they are active for. Ten minutes walking to the bakery may feel like “being out a lot”, but it remains far below the recommendation.
• Muscle strength: Walking works the legs and buttocks to some extent, but provides only minimal training for the core, back, arms and deeper muscles.

The body needs both endurance and strength – walking usually covers only one part of that.

Which second activity best complements walking

The study suggests that public-health bodies and doctors should sharpen their message: “Move more” is not enough. What matters is how someone moves, and what usefully complements walking.

Straightforward additions to everyday life

People who do not enjoy going to a gym can still build a second support alongside walking. Options include:

• Bodyweight exercises such as squats, wall press-ups, lunges or planks at home
• Taking the stairs instead of the lift several times a day
• Gardening involving carrying, lifting and digging as natural strength training
• Dancing – from Zumba to a living-room playlist, as long as the heart rate rises
• Resistance bands or light dumbbells for short strength sessions in front of the television

As little as two sessions of 20–30 minutes each week can make a difference if they specifically challenge the muscles.

What works well in rural areas

Especially outside cities, existing tasks can be used to advantage. Anyone already working on a farm, stacking wood or carrying heavy objects is giving their muscles a strong stimulus. The key is to plan this exertion consciously and regularly.

Useful strategies may include:

• introducing fixed times for short strength blocks, for instance after work
• using additional weight on journeys that already need to be made, such as carrying crates of drinks
• setting up small village sports groups – for example, walking followed by a shared strength session at a playground

How to genuinely reach the 150-minute mark

Many people underestimate how frequently they need to be active during the week to reach 150 minutes. A simple calculation helps:

Anyone who walks briskly for a good half-hour every weekday – on the way to work, while shopping or during their lunch break, for example – is in the healthy range. Add two short strength sessions and the ideal profile comes within reach.

What the study does not show – but why it still matters

The data dates from 2019, before the COVID-19 pandemic. Since then, exercise behaviour has shifted noticeably in many countries: more working from home, closed gyms, and new hobbies such as jogging or cycling that emerged during lockdowns. Future analyses will need to show whether people have become more active or more sedentary since then.

Even so, the core message remains valid: a few walks each week are a good beginning, but they do not replace a well-designed exercise programme. Anyone looking to protect their heart and muscles over the long term should treat walking as a foundation – and deliberately add a second activity.

Practical ideas for a “two-pillar plan”

Many people do not fail because they lack motivation, but because they lack a plan. One possible weekly schedule could look like this:

• Monday: 30 minutes of brisk walking
• Tuesday: 20 minutes of bodyweight strength exercises
• Wednesday: 30 minutes of walking, possibly including gentle hills
• Thursday: Rest, or short active journeys during the day
• Friday: 30-minute walk at a brisk pace
• Saturday: 20–30 minutes of gardening, dancing or home exercise
• Sunday: A longer walk, however you prefer

The benefit is that walking remains a central part of daily life while gaining a solid muscle-strength foundation alongside it. This is also what the US study indirectly recommends: exercise, certainly, and preferably plenty of it – but in a way that gives the body all the components needed for genuine fitness.