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HIIT May Best Moderate Exercise for Poststroke Fitness

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HIIT May Best Moderate Exercise for Poststroke Fitness

Repeated 1-minute bursts of high-intensity interval training (HIIT) are more effective than conventional moderate, continuous exercise for improving aerobic fitness after stroke, according to a multicenter randomized controlled trial.

“We hoped that we would see improvements in cardiovascular fitness after HIIT and anticipated that these improvements would be greater than in the moderate-intensity group, but we were pleasantly surprised by the degree of improvement we observed,” Ada Tang, PT, PhD, associate professor of health sciences at McMaster University in Hamilton, Ontario, Canada, told Medscape Medical News. “The improvements seen in the HIIT group were twofold higher than in the other group.”

Ada Tang, PT, PhD

The results were published on August 7 in Stroke.

Clinically Meaningful

Researchers compared the effects of 12 weeks of short-interval HIIT with those of moderate-intensity continuous training (MICT) on peak oxygen uptake (V̇O2peak), cardiovascular risk factors, and mobility outcomes after stroke.

They randomly assigned participants to receive 3 days per week of HIIT or traditional moderate exercise sessions for 12 weeks. Participants’ mean age was 65 years, and 39% were women. They enrolled at a mean age of 1.8 years after sustaining a mild stroke.

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A total of 42 participants were randomized to HIIT and 40 to MICT. There were no significant differences between the groups at baseline, and both groups exercised on adaptive recumbent steppers, which are suitable for stroke survivors with varying abilities.

The short-interval HIIT protocol involved 10 1-minute intervals of high-intensity exercise, interspersed with nine 1-minute low-intensity intervals, for a total of 19 minutes. HIIT intervals targeted 80% heart rate reserve (HRR) and progressed by 10% every 4 weeks up to 100% HRR. The low-intensity intervals targeted 30% HRR.

The traditional MICT protocol for stroke rehabilitation targeted 40% HRR for 20 minutes and progressed by 10% HRR and 5 minutes every 4 weeks, up to 60% HRR for 30 minutes.

The HIIT group’s cardiorespiratory fitness levels (V̇O2peak) improved twice as much as those of the MICT group: 3.5 mL of oxygen consumed in 1 minute per kg of body weight (mL/kg/min) compared with 1.8 mL/kg/min.

Of note, changes in V̇O2peak from baseline remained above the clinically important threshold of 1.0 mL/kg/min at 8-week follow-up in the HIIT group (1.71 mL/kg/min) but not in the MICT group (0.67 mL/kg/min).

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Both groups increased their 6-minute walk test distances by 8.8 m at 12 weeks and by 18.5 m at 20 weeks. No between-group differences were found for cardiovascular risk or mobility outcomes, and no adverse events occurred in either group.

On average, the HIIT group spent 36% of total training time exercising at intensities > 80% HRR throughout the intervention, while the MICT group spent 42% of time at intensities of 40%-59% HRR.

The study was limited by a small sample size of high-functioning individuals who sustained a mild stroke. Enrollment was halted for 2 years due to the COVID-19 lockdowns, limiting the study’s statistical power.

Nevertheless, the authors concluded, “Given that a lack of time is a significant barrier to the implementation of aerobic exercise in stroke clinical practice, our findings suggest that short-interval HIIT may be an effective alternative to traditional MICT for improving V̇O2peak after stroke, with potential clinically meaningful benefits sustained in the short-term.”

“Our findings show that a short HIIT protocol is possible in people with stroke, which is exciting to see,” said Tang. “But there are different factors that clinicians should consider before recommending this training for their patients, such as their health status and their physical status. Stroke rehabilitation specialists, including stroke physical therapists, can advise on how to proceed to ensure the safety and effectiveness of HIIT.”

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Selected Patients May Benefit

“Broad implementation of this intervention may be premature without further research,” Ryan Glatt, CPT, senior brain health coach and director of the FitBrain Program at Pacific Neuroscience Institute in Santa Monica, California, told Medscape Medical News. “The study focused on relatively high-functioning stroke survivors, which raises questions about the applicability of the results to those with more severe impairments.” Glatt did not participate in the research.

photo of Ryan Glatt
Ryan Glatt, CPT

“Additional studies are needed to confirm whether these findings are applicable to more diverse and severely affected populations and to assess the long-term sustainability of the benefits observed,” he said. “Also, the lack of significant improvements in other critical outcomes, such as mobility, suggests limitations in the broader application of HIIT for stroke rehabilitation.”

“While HIIT shows potential, it should be approached with caution,” Glatt continued. “It may benefit select patients, but replacing traditional exercise protocols with HIIT should not be done in all cases. More robust evidence and careful consideration of individual patient needs are essential.”

This study was funded by an operating grant from the Canadian Institutes of Health Research. Tang reported grants from the Canadian Institutes of Health Research, the Physiotherapy Foundation of Canada, and the Heart and Stroke Foundation of Canada. Glatt declared no relevant financial relationships.

Marilynn Larkin, MA, is an award-winning medical writer and editor whose work has appeared in numerous publications, including Medscape Medical News and its sister publication MDedge, The Lancet (where she was a contributing editor), and Reuters Health.

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‘You only need 2 sessions a week to get stronger’ – expert PT reveals the benefits of the 2-2-2 workout for busy women

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‘You only need 2 sessions a week to get stronger’ – expert PT reveals the benefits of the 2-2-2 workout for busy women

The 2-2-2 workout is more than an internet trend. It’s a full-body, time-saving, and strength training workout that can be done in the gym or with dumbbells at home, any time. It sounds too good to be true, but it’s backed by science and an expert PT.

Alain Gonzalez popularised the workout most recently, but the longevity perks for women are clear. Strength training offers women benefits, like reducing the risk of osteoporosis, sarcopenia, and cardiovascular disease. It also improves mobility and balance. However, we’re often the most time-stretched people in the gym, so anything we can do to shorten the time we need to spend there is appreciated, especially during the busy festive season.

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13 Strength-Training Moves That Taylor Swift Used to Prep for the ‘Eras Tour’

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13 Strength-Training Moves That Taylor Swift Used to Prep for the ‘Eras Tour’

In “The End of an Era,” Taylor Swift gives fans a behind-the-scenes look at the workout routine that helped her prepare for her “Eras Tour.”

Episode 3 of the six-part Disney+ docuseries follows Swift as she hits the gym throughout the tour, which ran for nearly two years.

Since each show lasted over three hours, Swift enlisted the help of personal trainer Kirk Myers to help her focus on endurance so she could maintain her energy throughout each concert.

“There are a lot of things that we pulled off on this tour that I’ve never even attempted on past tours. I think the longest show I ever did before was 2 hours and 15 minutes,” she said during the episode. “I never would have believed you if you would have told me we would be doing a 3.5 hour show. Now, saying that is one thing. Doing that physically is another.”

In order to dance and sing for that long, the 36-year-old had to make certain lifestyle changes.

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“I really had to up my game in terms of physical training,” she said.

While reflecting on her workout routine, Swift joked that it wasn’t for the faint of heart. “I’ve never worked out this much in my life. It’s horrible,” she added.

Here are just a few of the exercises Swift focused on as part of her “Eras Tour” workout routine.

She Prioritized Strength Training

Episode 3 of the docuseries shows Swift in the gym prioritizing strength training. She can be seen doing the following moves:

  • Battle waves and wave slams
  • Ski machine
  • Resistance band-assisted pull-ups
  • Medicine ball sit-up throws
  • Overhead hammer slam
  • Assisted reverse crunch
  • Hanging knee raise
  • Medicine ball slams
  • Medicine ball Russian twists
  • Reformer plank pikes
  • Crossover crunch with ankle weights
  • Medicine ball side throws
  • Bosu ball squat and press

She Did Lots of Pull-Ups But Hated Them

Swift can be seen doing pull-ups assisted by a resistance band and revealed that she has a “strong dislike” for them.

“In no way do I ever apply this at any point in the show. I just want to flag that as I do every time I have to do pull-ups,” she quipped.

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Swift’s personal trainer encouraged her and said she’s gotten “stronger” throughout the years while performing the exercise.

“It’s from all the pent up rage and resentment I have for them,” she joked.

She Started Training 6 Months Before the Tour Began

While reflecting on her workout routine, Swift said she started planning for the tour early on.

“Six months ahead of my first rehearsal, (I was) running on the treadmill every single day at the tempo of the songs that I was playing while singing them out loud,” she said. “You just don’t want them to see you panting.”

Swift previously spoke about her intense treadmill workout in an interview with Time.

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“Every day I would run on the treadmill, singing the entire set list out loud,” she told Time. “Fast for fast songs, and a jog or a fast walk for slow songs.”

She Did a LOT of Cardio

Dancing and singing for over three hours is a killer workout, especially when you’re running around the stage all night long. In the docuseries, Swift noted that two of her songs are particularly difficult to perform.

“‘1989’ and ‘Reputation’ are very high cardio. Anything’s hard when you’re scaling a stage that goes the entire length of an NFL stadium,” she said. “I think I run like 8 miles in the show.”

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5 top-rated exercise bikes for home to stay active, burn calories, and boost fitness in 2026

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5 top-rated exercise bikes for home to stay active, burn calories, and boost fitness in 2026

We are inching towards the end of 2025, and it’s time for New Year fitness resolutions. Staying active during the year-end can be tough. Cold weather, holiday celebrations, and packed schedules often push workouts to the back, leaving many feeling sluggish or stressed. But you don’t have to wait for the new year to get moving. An exercise bike offers a simple, no-excuses solution, bringing effective workouts right into your home. It eliminates travel, weather, and time barriers, making it easy to stay consistent.

No gym. No excuses. End the year fitter with a home exercise bike. (Adobe Stock)

Beyond convenience, cycling is a low-impact exercise that improves cardiovascular health, boosts mood through the release of endorphins, and helps manage holiday weight without straining the joints. Even short, daily rides can maintain energy, strengthen the heart, and support overall wellness, helping you finish the year fitter, healthier, and more active.

Why choose an exercise bike?

Exercise bikes offer a low-impact cardio that works. Here are some key reasons why an exercise bike may be better than doing no exercise at all!

Joint-friendly cardio

A report by the Scandinavian Journal of Rehabilitation Medicine Supplement states that cycling delivers an effective cardiovascular workout without the high-impact stress on knees and joints that comes with running, making it ideal for year-round use.

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Metabolic boost

Regular pedalling helps keep your metabolism active, supporting calorie burn even on lighter or rest days. Consistent cycling can help maintain an energy balance and assist in managing holiday weight gain.

Mental clarity

Beyond physical benefits, cycling serves as a form of active recovery. A short ride after a long day can help reduce stress, improve focus, and boost your mood, thanks to the release of endorphins and gentle movement that relaxes both your body and mind, reports Health Shots.

Helps you keep lifestyle diseases at bay

According to a study published in the journal PLOS Medicine, cycling can help prevent diseases like heart attacks, hypertension, and type 2 diabetes, which stem from living a sedentary lifestyle. If practised regularly, cycling can even help you manage or control pre-existing lifestyle diseases as well.

5 top-rated exercise bikes for home to stay active

If low-impact, joint-friendly workouts are your goal, HT Shop Now has shortlisted 5 exercise bikes for home based on user ratings, reviews, and overall feedback. Ideal for beginners or those returning to fitness, they support knee-friendly cardio, help maintain stamina, and make home workouts convenient and effective.

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The Sparnod SAB-05 Air Bike Exercise Cycle is perfect for a full-body, low-impact workout at home. Its dual-action arms and legs provide simultaneous upper and lower body engagement, while adjustable resistance allows beginners and advanced users to tailor the intensity. Ideal for anyone looking to boost stamina, burn calories, or rehabilitate joints safely, the back support provides added comfort for longer sessions.

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The PowerMax Fitness BU‑201 Dual Action Air Bike stands out with its adjustable cushioned seat and moving handles, making it comfortable and versatile for users of different heights. The dual action design engages both upper and lower body for a more effective workout. Non‑slip pedals ensure secure footing, while adjustable resistance lets you tailor intensity. Ideal for home workouts, it supports up to 120 kg and enhances overall cardiovascular fitness.

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Looking for an exercise bike that keeps you motivated? The Lifelong Fit Pro Spin Fitness Bike features a clear LED display, a smooth 7 kg flywheel, and adjustable resistance, allowing for fully customizable cardio workouts. Its cushioned, adjustable seat and non-slip pedals ensure comfort and stability, while supporting up to 120 kg. Perfect for home workouts, it helps track progress, burn calories, and stay consistent with daily fitness goals.

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Looking for a cardio machine that’s easy on your joints? The Reach AB 110 Upright Air Bike provides a smooth, low-impact workout with adjustable resistance and both moving and stationary handles, offering varied exercise options. Its cushioned seat adds comfort for longer sessions, and the design minimises knee and joint strain. Ideal for home gym cardio, it supports up to 110 kg and helps you stay active safely.

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Many users love the Cardio Max JSB HF175 Exercise Cycle for its ease of use and versatility in home workouts. The dual-action design allows you to work both your upper and lower body, while adjustable height and resistance make it suitable for all fitness levels. Easy DIY installation means you can start exercising quickly. Its sturdy build and smooth motion help users enjoy low-impact cardio sessions without straining their joints.

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