November 12, 2023

The health benefits of short bursts of activity

Research has shown that short bursts of activity derived from simple, household tasks are tied to lower risks of heart attack, stroke, and death.  Publishing their work in the journal The Lancet Public Health, scientists out of Australia and the U.K. looked at data from over 25,000 adults aged 42-78 who wore fitness trackers every day for two years. They linked that data to participants’ medical records over the better part of a decade to study how the activity affected their health statuses. 

None of the adults in the study engaged in leisure-time exercise or played any sports: The exertion measured came from common tasks like gardening, taking out the trash, walking to get the mail, and other chores. The study authors determined that brief bouts of moderate to vigorous activity about 10 minutes or under “were associated with a steep decrease in major cardiac events (heart attack/stroke) and death by any cause,” per a press release from the University of Sydney. And the greater level of physical exertion in each burst the better: “Those who huffed and puffed for at least 15% of the bout (roughly 10 seconds per minute) saw the greatest benefit.”

1 comment:

Anonymous said...


OK, I’m an independent observer, but I do have doubts about this Study.

“Between June 1, 2013, and Dec 23, 2015, 103 684 UK Biobank participants agreed to wear an Axivity AX3 accelerometer (Axivity, Newcastle, UK) on their dominant wrist for 24 h per day for 7 days.”

Really? They only wore the instrument for 7 days during that 30 month period? And… for that week, they only required Three Valid Wear Days (one day had to be on a weekend) to be included in this Study.

Then, the Study participants were merely assumed to follow with similar behavior until November 2022.

Also:
“25 241 adults (mean age 61·8 years [SD 7·6])”

The AVE age, and RANGE, might have been interesting numbers, for each two separated groups (1. Men and 2. Women) rather than merely stating the Mean and showing what signifies One Standard Deviation from the Mean.

14 178 (56·2%) were women

11 063 (43.8) must have been men

Life Expectancy in UK (Ave = 81. years in between 2013 and 2022), but the difference between males and females had an approximate Four year difference (Range approx: 79 for males and 83 for females). I didn’t want to bore you with numbers from each year.

Also, for males in 2019, Ischaemic Heart Disease was the leading cause of Death at 128/100,000 population. For females in 2019, the leading cause of Death of Death was Alzheimer Disease and other dementias at 185/100,000 population while Ischaemic Heart Disease lagged at 84/100,000 population.

And, while ‘my type’ always generalizes, it seems that Male and Female characteristics are quite different, both in young and old, and that might be a very important fact. Why combine them? Why bother about a person’s seven years of life based upon their activities during a One Week’s date that occurred over a 30 month period?

So… it seems, with male's behavior, during any particular year of the almost Seven years following that Study period, it seems more men might die. More often at an earlier age, and more from Ischaemic Heart Disease.

Did I miss something? Was this data important?