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Stroke: HIIT may be more effective than steady, moderate exercise

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Stroke: HIIT may be more effective than steady, moderate exercise
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A new study compared HIIT and steady, moderate exercise for stroke recovery. RZCREATIVE/Stocksy
  • Stroke is a condition where blood and oxygen are not able to get to the brain.
  • Exercise is an important part of stroke recovery.
  • Researchers from McMaster University have found that repeated one-minute bursts of high intensity interval training (HIIT) were more effective in improving aerobic fitness after a stroke than traditional, continuous moderate exercise.

Each year, about 15 million people around the world have a stroke — a condition where blood and oxygen is not able to get to the brain.

While stroke is treatable, researchers estimate that more than two-thirds of stroke survivors will require rehabilitation, which depending on the person’s needs can include speech, occupational, and physical therapies.

Previous studies show that exercising after a stroke offers several health benefits, including reduced risk of stroke recurrence and improved overall recovery.

A recent study found that repeated one-minute bursts of high-intensity interval training (HIIT) was more effective in improving aerobic fitness after a stroke than traditional, continuous moderate exercise.

“Stroke is a leading cause of death and disability worldwide, but there is strong evidence to support exercise as a key component of rehabilitation programs to promote recovery and reduce long-term impacts of stroke and lower risk of future recurrent stroke,” said Ada Tang, PT, PhD, physiotherapist, professor, and assistant dean of Rehabilitation Science at McMaster University and corresponding author of the study.

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“Research has shown that aerobic fitness levels are low in people with stroke, often at levels that are inadequate to perform activities we might do every day such as climbing stairs or walking fast,” Tang explained to Medical News Today. “We know that there are challenges to participating in exercise after stroke, however, such as finding time to fit it into their day.”

“We also know that therapists can be hesitant to push patients with stroke to higher intensities of exercise despite research that suggests that more intense exercise may be beneficial. Instead, they are more likely to keep exercise intensities lower. We felt that HIIT would be an important, feasible, and time-efficient option for exercise after stroke,” she added.

The study is published in the journal Stroke.

For this study, researchers recruited 82 stroke survivors who were in the period between six months and five years after a stroke.

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Study participants were randomly grouped to either receive HIIT or moderate exercise sessions for three days of the week over 12 weeks.

“Both groups exercised three times per week on non-consecutive days for 12 weeks,” Tang detailed. “Both groups included three minutes of warm-up and two minutes of cool down. All exercise was performed on a recumbent stepper machine (NuStep).”

“For participants in the HIIT group, the exercise protocol was 10 one-minute intervals of high-intensity exercise (80-100%) interspersed with nine one-minute intervals of lower intensity recovery (30%),” she continued. “Exercise time, not including warm-up and cool-down, was 19 minutes. The moderate-intensity continuous exercise sessions were 40-80% intensity for 20-30 minutes.”

At the study’s conclusion, scientists found that the cardiorespiratory fitness levels — the maximum amount of oxygen a person can take in during exercise — of participants in the HIIT group improved twice as much as those in the moderate exercise group.

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“We expected to observe greater improvements in fitness levels in the HIIT group but were excited to see how much they did improve,” Tang said. “The improvements in fitness levels in the HIIT group were within the range of values associated with lower risk of hospitalization and stroke.”

Additionally, researchers found that this improvement stayed above clinically important thresholds in the HIIT group eight weeks after the end of the study, which was not the same case for the moderate exercise group.

“This finding is important as it means that the gains made after HIIT were maintained to a greater extent than after moderate-intensity continuous training. Nonetheless, it is important that regular exercise becomes part of a lifelong healthy lifestyle after stroke given that people with stroke are at higher risk of having another one in the future.”
— Ada Tang, PT, PhD

“We believe that the higher intensities achieved (are the) key difference. By using an interval training format where bursts of high-intensity exercise is interspersed with recovery intervals of lower intensity, we can achieve the benefits of more intense exercise without risk of over-fatigue.We will continue to examine innovative ways to promote exercise and physical activity after stroke to reduce the global burden of this condition,” Tang said.

After reviewing this study, Christopher Yi, MD, a board certified vascular surgeon at Memorial Orange Coast Medical Center in Fountain Valley, CA, told MNT he found it to be of interest and excitement.

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“This study shows that high-intensity aerobic exercise can significantly improve cardiovascular fitness in stroke patients, which is a substantial long-term benefit for stroke recovery,” Yi explained.

“Patients who [experience] strokes are often severely debilitated, with poor (quality) of life and decreased longevity. Finding better ways to enhance the recovery of strokes will improve the quality of these patient’s lives, reduce the risk of recurrent strokes and cardiovascular events, and ultimately increase survival rates.”
— Christopher Yi, MD

“I would like to see how patients with more severe physical impairments after a stroke perform with HIIT. I would also like to see long-term outcomes of this study beyond eight weeks, including overall quality of life. Lastly, I would like to understand the underlying biological mechanisms from HIIT, including cardiovascular function and neuroplasticity,” he added.

MNT also spoke with Ryan Glatt, CPT, NBC-HWC, senior brain health coach and director of the FitBrain Program at Pacific Neuroscience Institute in Santa Monica, CA, about this study.

“The study is intriguing but raises questions about the generalizability of HIIT benefits for a broader stroke population,” Glatt said. “Improving aerobic fitness is essential to reduce the risk of secondary strokes, but the study’s participant pool limits the broader application of its findings. Future research should include more diverse and severely impaired stroke survivors to truly validate HIIT’s effectiveness and long-term impact.”

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How much exercise is enough? A local doctor says you only need 15 minutes a day – WTOP News

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How much exercise is enough? A local doctor says you only need 15 minutes a day – WTOP News

Exercise is part of a healthy lifestyle and its benefits are well known and have been for a long time. What is only recently proven by doctors is just how much exercise makes a difference for one’s longevity.

By now, most people understand that exercise is part of a healthy lifestyle; its benefits are well known and have been for a long time. What is only recently proven by doctors is just how much exercise makes a difference for one’s longevity.

For most people who sit at desks or behind the wheel all day, the problem is often finding time to work out. The good news, according to Dr. Julie Chen, an internal medicine and lifestyle medicine doctor at Kaiser Permanente in Gaithersburg, is that a daily exercise routine can be broken down into brief segments.

“The general recommendation is for 150 minutes of moderate activity per week,” Dr. Chen said. “So that is roughly about 30 minutes a day, five days a week. But the important point is it does not have to all be done at once. You can break it up into shorter segments of exercise and still get the same great benefits.”

And those benefits can be tremendous. Chen said that studies have shown going from no exercise a day to only 15 minutes of total exercise a day can “can actually decrease their risk of death, death from all causes, by about 14%.”

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“Any movement is actually better than being sedentary,” she said.

Movement can be divided up into short segments throughout the day instead of in one long, strenuous workout and it can still offer the same reductions in the risk of certain diseases.

Now, you might understand there are benefits of exercising for short periods of time, several times per day; but you might be wondering how you can get in the gym several times a day.

Chen advocates for what she calls “exercise snacks” — “small bursts of physical activity that you can get in, two to three minutes at a time throughout the day.”

For example, taking the stairs or doing squats while putting groceries away, walking around the office on a phone call or planking while your dinner is in the microwave. Chen said try to do whatever it takes to get a few minutes of movement in a few times a day.

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Chen is also a big fan of fitness apps, including the ones that come built into our smartphones and watches: “Studies have shown that that is really motivating that you can actually track your progress in your app. You can see your trends.”

“Consistency is a really big goal of this effort, and so if you look at your trends over time, that’s going to be a really rewarding aspect of trying to improve your health,” she added.

Beginning an exercise regimen doesn’t need to be complicated or time-consuming. You don’t need to splurge on workout clothes or a gym membership; you just need a few minutes, several times a day, to start reaping the benefits.

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Adults hop on viral ‘rebounding’ trend to make exercise fun again — ‘I feel like a kid’

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Adults hop on viral ‘rebounding’ trend to make exercise fun again — ‘I feel like a kid’

Forget boring home workouts, on-demand HITT classes and cold winter runs.

The latest wellness trend bouncing around TikTok involves a workout you might not even realize you’re doing, and that’s the point. It’s called rebounding. This low-impact exercise involves jumping on a mini fitness trampoline — called a rebounder — to get your heart pumping and support lymphatic drainage.

On Amazon, this best-selling model is currently on sale for just $129. It measures in at just 40 inches, making it ideal for small spaces while still offering room for an adult to jump, squat and jog in place. Users swear it gives them a seriously effective full-body workout, and many remark that it’s “so much fun” to use.

Clinical trials also back the benefits: a 12-week rebounding program for overweight women showed significant improvements in body composition as well as a decrease in diastolic blood pressure.

Ready to jump on the rebounding trend, too? You’d better hop on this Amazon deal fast.

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Amazon

This sleek rebounder by BCAN is sturdy and easy to set up, thanks to pre-assembled bungees and simpel video tutorial.

Reviewers say it’s completely changed their workouts, with one remarking they “feel like a little kid again.” Others have also noted it’s much easier on their joints than higher-impact exercises.

“It absorbs impact well and allows for a nice, smooth rebound that is gentle on the joints, making it perfect for a low-impact cardio workout,” one person explained. “Whether I’m doing high-intensity intervals or simply bouncing for fun, the movement feels fluid and responsive.

The BCAN model features an upgraded handlebar for added stability. It’s 8mm premium bungee — with a durable woven outer layer and a 350-strand natural latex core — delivers smooth, quiet bounces, so you can enjoy your workout without disturbing others.



This article was written by Miska Salemann, New York Post Commerce Writer/Reporter. As a health-forward member of Gen Z, Miska seeks out experts to weigh in on the benefits, safety and designs of both trending and tried-and-true fitness equipment, workout clothing, dietary supplements and more. Taking matters into her own hands, Miska intrepidly tests wellness products, ranging from Bryan Johnson’s Blueprint Longevity Mix to the viral Oura Ring to Jennifer Aniston’s favorite workout platform – often with her adorable toddler by her side. Before joining The Post, Miska covered lifestyle and consumer topics for the U.S. Sun and The Cannon Beach Gazette.

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Fitness trainer with 18 years of experience shares why exercise is crucial for kids: ‘Not just about health and fitness’

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Fitness trainer with 18 years of experience shares why exercise is crucial for kids: ‘Not just about health and fitness’

Exercise is often spoken about in the context of physical fitness – stronger muscles, better stamina and improved overall health. But its value, especially for children, extends far beyond the body. Regular physical activity can quietly shape character, teaching lessons about effort, patience, discipline and resilience that mirror how the real world works. From learning to cope with discomfort to understanding that progress takes time, exercise can become a powerful training ground for life itself.

Exercise is important for kids. (Image generated via Google Gemini)

Also Read | Chennai fitness trainer with 18 years of experience shares 5 simple things to focus on for long-term fitness

Chennai-based fitness trainer with 18 years of experience, Raj Ganpath – founder of the Slow Burn Method, co-founder and head coach at Quad Fitness, and author of Simple, Not Easy – is shedding light on why exercise is important for kids, with the benefits going beyond health and fitness. In an Instagram video shared on February 27, he explains how the impact of exercise extends far beyond physical wellness, shaping resilience, discipline and long-term character development.

Embracing discomfort

According to Raj, exercise is one of the healthiest ways to help children learn how to sit with discomfort in a safe, structured and sustainable way. Life inevitably brings challenges and unease – something adults understand well – but many children today are shielded from situations that test their resilience.

He explains, “Exercise is a great way to experience this discomfort in a safe and sustainable manner. Lifting weights, holding a plank, doing cardio, repping till it burns, all of these things are opportunities to embrace discomfort, opportunities to put themselves in a place where they’re not comfortable and learn from it, opportunities to practice physical and mental resilience.

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Learning hardship

The fitness trainer emphasises that hardship is an inevitable part of life, and meaningful success often requires pushing through moments of difficulty. While most adults recognise this truth through lived experience, children may not always have the same exposure to challenge. Raj believes exercise can bridge that gap.

He elaborates, “It will teach them that they need to do hard things if they want to accomplish something. Getting through a very hard workout, setting a goal and achieving it, completing a task. All of these things are not just random chores. These are incredible opportunities – opportunities to experience hardship and build fortitude.”

Delayed gratification

In today’s fast-paced world, the desire for instant gratification is stronger than ever – and children are growing up at the centre of it. With technology, streaming platforms and 10-minute delivery services, almost everything is available at the tap of a screen. As a result, the ability to wait, persist and work steadily towards a long-term goal can easily take a back seat. Exercise, notes Raj, offers a powerful counterbalance.

He explains, “Everyone wants everything right away today. This is true for us adults too, but it is even more true for our kids because this is the only world they know. A world where everything happens right then and right there, whenever they want it, wherever they want it. Exercise will teach them to wait, to be patient, to trust the process, to fail and still keep going, to work towards something larger that they will get much later. This is a very important character building quality and will serve them well for many, many years to come.”

The fitness trainer concludes, “Exercise is not just about health and fitness. It is a simulation of life itself. A ready-made character building tool available to you to help prepare your kids for life, the raw and real life that they’re going to have to deal with no matter what. So make sure they build the habit and make sure they embrace it.”

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Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. It is based on user-generated content from social media. HT.com has not independently verified the claims and does not endorse them.

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