Even Short Bursts of Exercise Can Lower the Risk of Mortality: Research

By  ,  Onlymyhealth editorial team
Mar 26, 2018
Quick Bites

  • Whether done in a concentrated session or short bursts, physical activity may reduce the chances of mortality
  • Researchers suggest that a person should get their heart rate up for at least 10 minutes of exercise
  • The findings were published in the Journal of the American Heart Association

A study conducted by researchers at the National Cancer Institute and the National Institutes of Health has revealed the benefits of physical activity may reduce the chances of mortality, regardless of whether done in a concentrated session or short bursts.

Researchers suggest that a person should get their heart rate up for at least 10 minutes of exercise, for it to be beneficial.

For the study, data was collected from 4,840 adults of  40 years and older for over 6 years.  As part of the National Health and Nutrition Examination Survey (NHNES), the adults wore a device on their waist called accelerometers – this device could track their movements and the duration of their physical activity.



According to the study, the scientists reviewed the number of bouts or bursts that were at least 5‐minutes long, the total number of minutes, and the number of bursts or bouts that were at least 10 minutes long along with the available death records through 2011.

All this information helped the researchers determine the total amount of physical activity and death. The study successfully figured out a correlation between getting more moderate-to-vigorous physical activity and a lower likelihood of death.

William K. Kraus, an author of the research said, “For about 30 years, guidelines have suggested that moderate-to-vigorous activity could provide health benefits, but only if you sustained the activity for 10 minutes or more.”

According to the finding, getting 60 minutes of moderate-to-vigorous physical activity reduced the risk of mortality over the period by half, while 100 minutes of exercise per day cut the risk to approximately 75 %.

It is a known fact that a certain amount of physical activity is beneficial for health and could help prevent numerous life-threatening diseases.

The findings were published in the Journal of the American Heart Association.

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