Take the stairs – your heart will thank you


Take the stairs – your heart will thank you

Climbing stairs for a few minutes at short intervals throughout the day can boost heart health – new study.

It just got harder to avoid exercise. A few minutes of stair climbing, at short intervals throughout the day, can improve cardiovascular health, according to new research from kinesiologists at McMaster University and UBC Okanagan.

The findings, published in the journal Applied Physiology, Nutrition and Metabolism, suggest that virtually anyone can improve their fitness, anywhere, any time – much like fitness snacking: short periods of exercise dotted throughout the day, rather than doing it all in one go.

Researchers set out to determine if SIT “exercise snacks,” or vigorous bouts of stair climbing performed as single sprints spread throughout the day, would be sufficient to improve cardiorespiratory fitness (CRF). CRF is a health marker linked to longevity and cardiovascular disease risk, as well as a critical clinical risk factor in people with severe mental illness.

One group of sedentary young adults vigorously climbed a three-flight stairwell three times per day, separated by one to four hours of recovery. They repeated the protocol three times each week over the course of six weeks. The researchers compared the change in their fitness to a control group which did not exercise.

Previous studies had shown that brief bouts of vigorous exercise, or sprint interval training (SIT), even HIIT, are effective when performed as a single session, with a few minutes of recovery between the intense bursts, requiring a total time commitment of 10 minutes or so.

“We know that sprint interval training works, but we were a bit surprised to see that the stair snacking approach was also effective,” says Jonathan Little, an assistant professor at the University of British Columbia in Canada.

“Vigorously climbing a few flights of stairs on your coffee or bathroom break during the day seems to be enough to boost fitness in people who are otherwise sedentary,” Little says.

“The findings make it even easier for people to incorporate ‘exercise snacks’ into their day,” says Dr. Martin Gibala, a professor of kinesiology at McMaster and senior author on the study.

“Those who work in office towers or live in apartment buildings can vigorously climb a few flights of stairs in the morning, at lunch, and in the evening and know they are getting an effective workout.”


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