Fitness
Even Minutes-Long Exercise 'Bursts' Can Help Women's Hearts
WEDNESDAY, Dec. 4, 2024 (HealthDay News) — Take the stairs. Tote heavy shopping bags. Walk up that hill. Play tag with a kid or a pet.
Weaving these tiny bursts of vigorous physical activity into everyday life can halve a woman’s risk of a heart attack, a new study shows.
An average of four daily minutes of this sort of activity appears to protect the heart health of women who don’t otherwise exercise, researchers reported Dec. 3 in the British Journal of Sports Medicine.
“We found that a minimum of 1.5 minutes to an average of four minutes of daily vigorous physical activity, completed in short bursts lasting up to one minute, were associated with improved cardiovascular health outcomes in middle-aged women who do no structured exercise,” said lead researcher Emmanuel Stamatakis, a professor of physical activity, lifestyle and population health at the University of Sydney in Australia.
Specifically, women were 51% less likely to have a heart attack and 67% less likely to develop heart failure if they engaged in these short bursts of activity, compared to women who were completely sedentary, researchers found.
“Making short bursts of vigorous physical activity a lifestyle habit could be a promising option for women who are not keen on structured exercise or are unable to do it for any reason,” Stamatakis said in a university news release.
For the study, researchers analyzed data on nearly 22,400 adults ages 40 to 79, 58% of whom were women, participating in the long-term U.K. Biobank health research project.
All these participants said they did not engage in regular structured exercise, but they wore physical activity trackers for a week so researchers could gauge the bits of exercise they might get in their regular daily lives.
Results showed the more these tiny bursts of activity stacked up in a woman’s life, the lower her risk of a major heart-related health emergency.
Women who got an average 3.4 minutes daily were 45% less likely to experience any type of heart health problem, such as heart attack, stroke and heart failure, researchers found.
Even a minimum of 1.2 to 1.5 minutes a day was associated with a 33% lower risk of heart attack and 40% lower risk of heart failure.
However, men didn’t get the same benefit from short bursts of activity. Men who averaged 5.6 minutes daily were only 16% less likely to experience heart-related health problems, and a minimum of 2.3 minutes produced just an 11% reduction in risk.
More research is needed to understand why these short bursts of activity make such a difference in heart health for women, Stamatakis said.
“Importantly, the beneficial associations we observed were in women who committed to short bursts of [physical activity] almost daily,” Stamatakis said. “This highlights the importance of habit formation, which is not always easy.”
These short daily bursts of activity “should not be seen as a quick fix—there are no magic bullets for health,” Stamatakis added. “But our results show that even a little bit higher intensity activity can help and might be just the thing to help people develop a regular physical activity — or even exercise — habit.”
More information
The U.S. Centers for Disease Control and Prevention has more about the benefits of physical activity.
SOURCE: University of Sydney, news release, Dec. 3, 2024
From the teeth-gritting clench of a bicep curl to the dip of a squat, we tend to think of upwards movements as the most beneficial part of strength training.
The “lifting” motion in which our muscles shorten – known as concentric exercise – is important. But what happens on the way down, when we lower a weight and our muscles lengthen – known as eccentric exercise – can be just as beneficial, according to a new article published in the Journal of Sport and Health Science.
Professor Ken Nosaka, director of exercise and sports science at Edith Cowan University and the article’s author, has been researching eccentric exercise, which includes movements such as chair squats, wall sit-ups and walking downhill, for decades.
What is eccentric exercise and who is it for?
There are three different ways our muscles contract: concentrically (lifting), eccentrically (lowering) and isometrically (staying static). Many common exercises combine all three.
But Nosaka believes we often overlook this second type of movement. His research suggests can be just as beneficial as concentric movement for building strength and muscle size, as well as less fatiguing.
“Eccentric movement is a more powerful stimulus for muscles to get stronger,” he says.
This includes findings that the same strength gains can be achieved with half the reps if you lower instead of lift, while a 2023 study of his found even a single, three-second eccentric arm contraction each day can improve strength.
Given that eccentric exercises require less metabolic energy and oxygen to perform, Nosaka thinks they are particularly beneficial for older and/or sedentary adults.
However, Dr Lewis Ingram, a physiotherapy lecturer at the University of South Australia says purely focusing on just one component of exercise can be a little reductionist.
“I think that the general population should just do the whole exercise. Breaking the exercise down and just doing the eccentric component is a lot more work to do in terms of the feasibility of it,” he says.
A bicep curl, for example, needs to involve an upwards movement for it to be repeated.
But Nosaka says one way to focus on eccentric movement is with the “2:1 method”, which involves using both limbs to lift a weight, and just one to lower it.
He adds that this style of exercise can be just as beneficial for bone density.
“When you are doing eccentric contractions, the tendon is more stretched. The stretch signal is going to the bone, which is getting stronger,” he says. “When you are descending stairs, you have put more weight on one leg, right? So then that can increase bone mineral density.”
While Ingram points out many studies referenced in the paper don’t rely on robust enough evidence – small sample sizes, for example – he says it is important to slow down and focus on eccentric movement to build muscle (around three seconds, according to Nosaka).
He says solely focusing on eccentric movement can be beneficial for elite athletes, and exercises in which someone is not strong enough to perform an “upwards” concentric movement, such as a pull-up.
What muscle soreness after exercise means
Another common belief about exercise is “no pain, no gain”, the idea that muscle soreness correlates to effort and results.
“Eccentric contraction can cause muscle soreness, especially the first time you do it or after a long time without exercising,” says Nosaka.
“But the important thing is that muscle damage or muscle soreness is not necessary if you want to get strong or get a bigger muscle size.”
To prevent the muscle soreness that can come from eccentric exercise, he recommends performing fewer reps at lower loads to start with.
However, hypertrophy or skeletal muscle building does require increasing load over time, says Nosaka.
Ingram agrees that soreness is generally most attributed to eccentric contractions, but is not necessarily an indicator of a good workout, and tends to dissipate with repetition over time.
Keep it simple
One of Nosaka’s favourite eccentric exercises is one we do daily.
“We normally sit down on the chair maybe 20 times a day – at mealtimes, for example, and when you watch TV or you go to the toilet. So whenever you sit down, try to lower yourself more slowly,” he says.
Ultimately, Ingram says the general population should just keep it simple, particularly given most adults fail to meet benchmarks for physical activity.
He says most people should aim to follow the World Health Organisation’s guidelines, which recommend 150 minutes of moderate-intensity physical activity or at least 75 minutes of vigorous-intensity physical activity throughout the week, and at least two strength training sessions per week.
“If we can just get people to do the basics right, then that’s a lot more effective.”
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Christine Lampard swears by one low-pressure and realistic approach to staying fit: NEAT exercise. Standing for Non-Exercise Activity Thermogenesis, NEAT exercise refers to any movement you do that isn’t planned. For Christine, that means being on her feet doing chores around the house, walking her children to school, or dog walking – it keeps her active, without the pressure of a formal routine.
‘I don’t go to the gym but I’m always moving and I think that keeps me fit,’ she explained in an interview with Woman and Home magazine. ‘Frank is very good with gym stuff but I find that general activeness and not sitting around for too long is pretty good for me. I was up at 5.45 this morning preparing breakfast, making lunches and getting the kids ready.
‘I walked my daughter to school while she rode along on her little scooter and then I took our dog out. I’m also active around the house and it gets my steps up without trying.’
The 47-year-old Loose Women host strongly believes you don’t need a gym membership – or formal workouts – to stay healthy, but walking (a form of NEAT exercise) is a big part of her routine.
In a separate TikTok video for Woman and Home magazine, she explained how it can be so effective: ‘I can be very lazy when it comes to exercise. But actually, I’ve always said this, I walk. I walk and I walk. I don’t do any classes or anything like that. I’d love to get into Pilates but that’s something I’ve talked about for about 20 years and never acted on it. But walking for me, I get the dog and the children out, we go to the park, no matter what the weather is. And I’ve found walking the absolute perfect exercise for me, it gets the heart pumping, keeps everything together, keeps you just generally fit.’
Why is NEAT exercise so effective?
Non-intentional exercise like this makes up significantly more of your TDEE (Total Daily Energy Expenditure – how many calories you burn across each day), compared to the time you spend exercising in a gym doing a planned workout. NEAT makes up 50% of your TDEE, while a planned workout typically counts for roughly 10%. The more you fit movement into your day, whether that be doing household chores, walking instead of taking public transport, using a standing desk instead of sitting down, or carrying shopping instead of using a trolley, the more energy you expend and the bigger the fitness benefits.
Examples of NEAT exercise
Some other examples of NEAT include:
- Walking upstairs
- Walking the dog
- Carry grocery shopping
- Washing the car
- Fidgeting
- Playing with children or pets
- Using a standing desk
- Walking to the gym, shops, office instead of taking public or private transport
- Gardening
Christine’s underlying value is consistency over intensity – you don’t need formal workouts for results if that doesn’t work for you. Research consistently shows that regular, moderate exercise delivers meaningful health and fitness benefits, and sometimes the equivalent of fewer but more intense workout sessions. What matters most is showing up repeatedly.
As Women’s Health UK’s fitness director and a qualified Pilates and yoga instructor, Bridie Wilkins has been passionately reporting on exercise, health and nutrition since the start of her decade-long career in journalism.
After earning a first-class degree in journalism and NCTJ accreditation, she secured her first role at Look Magazine, where she launched the magazine’s health and fitness column, Look Fit, before going on to become Health and Fitness writer at HELLO!
Since, she has written for Stylist, Glamour, Cosmopolitan, Marie Claire, Elle, The Metro, Runner’s World and Red. Today, she oversees all fitness content across Women’s Health online and in print, spearheading leading cross-platform franchises, such as ‘Fit At Any Age’, which showcases the women proving that age is no barrier to exercise.
She has also represented the brand on BBC Radio London, plus various podcasts and Substacks – all with the aim to encourage more women to exercise and show them how. Outside of work, find her trying the latest Pilates studio, testing her VO2 max for fun (TY, Oura), or posting workouts on Instagram.
Regular exercise can help to manage blood pressure, because it makes our hearts stronger.
But according to a huge 2023 study, which looked at 270 trials from 1990-2023, “isometric” exercises might be the most effective at the job, with “wall sits” the best performer among these.
Researchers found that isometric exercise was more likely, on average, to lower blood pressure than aerobic exercise training, dynamic resistance training, combined training, and high-intensity interval training, though all forms were still immensely helpful.
What is isometric exercise?
It involves keeping your body still while you tense specific muscles for a set period of time. You don’t move your joints during the movement.
“Isometric exercise” is sometimes called “static” exercise.
It is the opposite of “dynamic,” or “isotonic” exercise, which involves little load and consistent pressure on various muscles. For example, running and swimming.
Most forms of exercise involve a combination of isometric and isotonic exercise, though some are 100% one or the other.
What are some examples of isometric exercises?
- Wall sits
- Planks
- Glute bridges
- Side planks
- V-holds
- Calf raises
- Hollow holds
- Copenhagen planks.
In the 2023 study we mentioned earlier, published in the BMJ, wall sits (placing your back against a wall with your thighs parallel to the ground) were the most effective of the isometric exercises for lowering blood pressure.
Does that mean I should only do isometric exercises?
The best approach to exercise seems to be a mixture of weight training and aerobic training. This has been linked to increased longevity compared to sticking to one or the other.
Speaking to the British Heart Foundation, senior cardiac nurse, Joanne Whitmore, said: “Exercise is good for your heart health and health in general. It can reduce the risk of heart and circulatory diseases by up to a third.
“Aerobic exercise in particular can help the heart and circulatory system work better through lowering blood pressure. Current guidelines also encourage muscle-strengthening exercises, like yoga or Pilates.
“It’s encouraging to see other forms of exercise explored in this research as we know that those who take on exercise they enjoy, tend to carry on for longer, which is key in maintaining lower blood pressure.
“However, there are other lifestyle choices that can benefit your blood pressure. These include keeping to a healthy weight, eating a balanced diet, cutting down on salt, not drinking too much alcohol and taking any prescribed medication”.
Speak to your doctor if you have a heart condition and want to take up new exercise, she added.
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