Stress raises the heart rate as seriously
Matthew Stork is a postdoctoral fellow in the School of Health and Exercise Sciences. He recently published a study examining how the right music can help less-active people get more out of their workout - and enjoy it more.
High-intensity interval training (HIIT) - brief, repeated bouts of intense exercise separated by periods of rest - has been shown to improve physical health over several weeks of training. But, cautions Stork, it can be perceived as gruelling for many people, especially those who are less active.
"While HIIT is time-efficient and can elicit meaningful health benefits among adults who are insufficiently active, one major drawback is that people may find it to be unpleasant. As a result, this has the potential to discourage continued participation," he says.
Previous research led by Stork and UBC Okanagan's Kathleen Martin Ginis has examined the effects of music during HIIT with recreationally-active people. Their latest study tested the effects of music with participants who were insufficiently-active, used a more rigorous music selection process and implemented a HIIT regimen that is more practical for less-active adults.
The study took place at Brunel University London and Stork worked with Professor Costas Karageorghis, a researcher who studies the effects music has on sport and exercise. First, Stork gathered a panel of British adults to rate the motivational qualities of 16 fast-tempo songs. The three songs with the highest motivational ratings were used for the study.
"Music is typically used as a dissociative strategy. This means that it can draw your attention away from the body's physiological responses to exercise such as increased heart rate or sore muscles," says Stork. "But with high-intensity exercise, it seems that music is most effective when it has a fast tempo and is highly motivational."
Next, a separate group of 24 participants completed what has been referred to as the 'one-minute workout' - three 20-second all-out sprints, totaling 60 seconds of hard work. A short rest separated the sprints, for a total exercise period of 10 minutes including a warm-up and cool-down. Participants completed these HIIT sessions under three different conditions - with motivational music, no audio or a podcast that was devoid of music.
Participants reported greater enjoyment of HIIT. They also exhibited elevated heart rates and peak power in the session with music compared to the no-audio and podcast sessions.
"The more I look into this, the more I am surprised," he says. "We believed that motivational music would help people enjoy the exercise more, but we were surprised about the elevated heart rate. That was a novel finding."
Stork believes the elevated heart rates may be explained by a phenomenon called 'entrainment.'
"Humans have an innate tendency to alter the frequency of their biological rhythms toward that of musical rhythms. In this case, the fast-tempo music may have increased people's heart rate during the exercise. It's incredible how powerful music can be."
Stork's research indicates that for people who are deemed insufficiently active, music can not only help them work harder physically during HIIT but it can also help them enjoy HIIT more. And because motivational music has the power to enhance people's HIIT workouts, it may ultimately give people an extra boost to try HIIT again in the future.
"Music can be a practical strategy to help insufficiently active people get more out of their HIIT workouts and may even encourage continued participation."
The study was published this week in the Psychology of Sport and Exercise. Stork received financial support from the Social Sciences and Humanities Research Council of Canada and the Michael Smith Foundation for Health Research over the course of this project.
Materials provided by University of British Columbia Okanagan campus. Note: Content may be edited for style and length.
- Matthew J. Stork, Costas I. Karageorghis, Kathleen A. Martin Ginis. Let's Go: Psychological, psychophysical, and physiological effects of music during sprint interval exercise. Psychology of Sport and Exercise, 2019; 45: 101547 DOI: 10.1016 / j.psychsport.2019.101547
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