Surprising differences: How walking affects your body at 5, 10, 30, 40, 60 minutes
Don’t underestimate the power of walking. Studies show that just two minutes a day is enough for considerable benefits. But between boosting your mood, regulating blood sugar levels, and reducing blood pressure (to name a few), the gains you get will depend on how long – or short – your walks are. Here’s how a 2, 5, 10, 30, 40 and 60-minute walk will affect your body.
Effects of 2-5-minute walks
Regulates blood sugar (and aids weight loss)
A meta-analysis published in Sports Medicine analysed seven studies which compared the impact of sitting, standing and walking on blood sugar regulation. The participants in the studies included were asked either to stand or walk for two to five minutes every 20-30 minutes throughout the day. The results showed that a short walk after eating caused the participants’ blood sugar levels to rise and fall more gradually than standing or sitting. The participants’ insulin levels also remained more stable.
The study didn’t investigate how this might affect weight loss, but we caught up with sports and exercise medicine consultant Dr Rebecca Robinson to explain. ‘Walking straight after a meal appears to be more effective at reducing both blood sugar [glucose] and the level of glucose in your interstitial fluid [the thin layer of fluid surrounding your body’s cells]. If you don’t walk straight away, excess glucose in your bloodstream will be stored by insulin and may be stored as fat,’ she says.
‘The contractions of your muscles during walking increase glucose uptake as the glucose is metabolised by your muscles for energy. This reduces the amount of sugar in your bloodstream. Digestion also uses glucose for energy, but walking boosts the total metabolic cost on your body after eating.
‘Spikes in your blood sugar will naturally occur after eating. If a diet is high in refined sugar and high glycemic index carbohydrates, this can increase the amount of insulin needed to store the excess blood sugar, which you may not have. If you don’t have enough insulin and are then left with excess blood sugar levels, this may be stored as fat, and this type of fat is often stored in your abdominal area and around your organs, which can cause heightened inflammation and conditions like heart disease.
‘A blood sugar spike also often leads to a crash, whereby your sugar levels rise, and your insulin response rises to store glucose quickly. This can make you crave more high sugar food and an increased calorie intake, leading to weight gain.
‘Walking after a meal rich in sugars or refined carbohydrates can help reduce the amount of insulin needed and may reduce the amount of glucose that gets stored as fat.’
Effects of 10-minute walks
Reduces blood pressure
According to a study published in The Journal of Human Hypertension, ten minutes of walking could be enough to reduce blood pressure. The study’s participants completed three 10-minute walking sessions at moderate intensity over a three-hour period, and the results showed a significant reduction in systolic blood pressure after the third session.
Improves mood
A study published in Psychology of Sport and Exercise analysed the emotional responses of participants after 10-minute and 30-minute walks, including an analysis of their future intentions for walking. The authors found that all walking sessions improved the participants’ mood – including just 10 minutes – while those who walked for 10 minutes also reported higher self-efficacy and intentions for future exercise.
Reduces illness risk
A meta-analysis published in the British Journal of Sports Medicine analysed data of over 30 million people in 196 peer-reviewed studies and found that just 11 minutes a day of brisk walking was enough to reduce the risk of stroke, heart disease, and some cancers, while reducing inflammation.
Effects of 30-minute walks
Reduces feelings of depression
Researchers for the journal, Medicine and Science in Sports and Exercise, found that people suffering from depression who walked on a treadmill for 30 minutes reported feeling more vigorous and had a greater sense of psychological wellbeing for up to an hour after completing their walks. Those patients also reported reductions in negative feelings such as tension, depression, anger and fatigue.
Boosts bone density
A 2022 study published in PLOS ONE found that long-term brisk walking is an efficient way to improve bone density. Specifically, taking brisk walks for 30 minutes per day three or more times per week is recommended to prevent bone loss in premenopausal women.
Effects of 40-minute walks
Improves memory
Researchers at Colorado State University recruited 180 adults over 60 who were generally healthy but inactive. One group walked for 40 minutes three times a week, while the second group danced three times a week, and the third did stretching three times a week. The results analysed the brain’s white matter, which acts as the wiring that connects and supports billions of neurons and enables memory. MRI scans after six months showed improvements in this white matter in the brains of the people who walked, while these people also scored higher on memory tests. Those who remained sedentary did not show such improvements.
Boosts heart health
According to a 2018 observational study in the Journal of the American College of Cardiology analysing over 90,000 participants, walking at least 40 minutes two or three times a week was associated with a reduced risk of developing heart failure in postmenopausal women.
Effects of 60-minute walks
Improves sleep
A 2019 study from Sleep found that postmenopausal women who do 60 minutes of light- to moderate-intensity physical activity, like walking, per day have longer, more restful sleeps than those who are sedentary.
Reduces risk of depression
Walking for an hour a day can reduce your risk of depression, according to a 2019 JAMA Psychiatry study. Researchers saw a 26-percent decrease in odds of developing depression with increased physical activity, like walking. 'Intentionally moving your body in more gentle ways throughout the day – like walking, stretching, taking the stairs, doing the dishes – can still add up in good ways for your mood,' study author Karmel Choi told Harvard Health.
Reduces stress
Any amount of walking reduces the stress hormone cortisol, which helps you feel less stressed and more relaxed, says Joyce Shulman, co-founder and CEO of 99 Walks and Jetti Fitness and author of Walk Your Way to Better. But a 2022 study published in Molecular Psychiatry found that a 60-minute walk in nature decreases activity in brain regions involved in stress processing. In contrast, brain activity in those regions remained stable after a 60-minute walk in an urban environment.
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