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2013-10-18 07:34:21
Housework and DIY are not strenuous enough to count towards people's activity
targets, a paper has found.
It had been thought they could count towards the recommended 150 minutes of
moderately intense activity per week.
But the BMC Public Health study, which surveyed over 4,500 adults, found those
who counted housework were heavier than those who did other activities.
Experts said activities only counted when they made breathing more rapid and
the heart beat faster.
NHS recommendations do say housework does not count towards the 150-minute
goal.
But the researchers in this paper say there has been a move towards promoting a
"lifestyle approach" to physical activity - encouraging "domestic" activities
in people who may not take part in sports or go to the gym.
And they warn that, while any activity is better than none, people should be
aware that they still need to meet the moderate activity target on top.
Eating too much?
Participants completed a detailed interview about their activity levels,
whether they played any sports or did formal exercise as well as their diet and
smoking and drinking habits.
They were particularly asked about activity linked to looking after their
homes.
Start Quote
Your exercise should make you breathe harder, feel warmer, and make your heart
beat faster than usual.
Chris Allen, British Heart Foundation
Domestic housework in 10 minute bursts or more accounted for 36% of the
reported moderate to vigorous physical activity people said they did.
But when weight and height were taken into account, researchers found that
those who counted housework as exercise were heavier than people doing other
exercise for the same amount of time.
Among women, just a fifth reached the weekly exercise target if housework was
discounted.
The research team, which included experts from the Universities of Ulster,
Sheffield Hallam and Wolverhampton as well as Sport Northern Ireland concluded:
"Domestic physical activity accounts for a significant proportion of
self-reported daily moderate to vigorous physical activity particularly among
females and older adults.
"However such activity is negatively associated with leanness, suggesting that
such activity may not be sufficient to provide all of the benefits normally
associated with meeting the physical activity guidelines."
Eating too much?
Prof Marie Murphy, from the University of Ulster, who led the study, said:
"Housework is physical activity and any physical activity should theoretically
increase the amount of calories expended.
"But we found that housework was inversely related to leanness, which suggests
that either people are overestimating the amount of moderate intensity physical
activity they do through housework, or are eating too much to compensate for
the amount of activity undertaken."
She added: "When talking to people about the amount of physical activity they
need to stay healthy, it needs to be made clear that housework may not be
intense enough to contribute to the weekly target and that other more intense
activities also need to be included each week."
Chris Allen, senior cardiac nurse at the British Heart Foundation, said: "Your
exercise should make you breathe harder, feel warmer, and make your heart beat
faster than usual.
"So, unless your household chores tick all these boxes, they won't count.
"If you're daunted by the prospect of a 150-minute target, think of it in
10-minute chunks.
"It doesn't necessarily mean forking out for a gym membership either - try a
brisk walk on your lunch break or make a resolution to take the stairs rather
than the lift each morning."