Sitting for more than 13 hours a day can take away from the benefits of exercise
Sitting for more than 13 hours a day can take away from the benefits of exercise
Sitting for more than 13 hours a day can take away from the benefits of exercise
Sitting for more than 13 hours a day can take away from the benefits of exercise

Sitting for more than 13 hours a day could undo the benefits of exercise, study finds


Sophie Prideaux
  • English
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Sitting at a desk all day could undo all the hard work you put in at the gym, claims a new study.

Researchers at the University of Texas found that people who sit for up to 13 hours a day and take fewer than 4,000 steps on average were more likely to develop problems with their metabolism – even if they exercise.

The study, published in the Journal of Applied Physiology, asked 10 fit and healthy participants to spend 13 hours a day sat down, limiting their steps to no more than 4,000, for a period of four days. At the end of those four days, participants were given a high-sugar, ice-cream drink, before scientists monitored how their metabolisms handled the food.

They repeated the experiment with the same participants, but at the end of the next four-day period, they instead took part in an hour of vigorous exercise, before returning the following morning to eat the same sugary breakfast and to have their vitals checked again.

Researchers found that despite the physical activity, participants displayed the same high levels of triglycerides, blood sugar and low insulin sensitivity as they did after four days without working out.

The results suggest that staying still for extended periods of time may create conditions within our bodies that “make us resistant to the usual metabolic improvements after acute exercise”, Dr Edward Coyle, professor of kinesiology and lead author of the study, says.

Effectively, the results show that despite regular exercise, long levels of inactivity, such as sitting at a desk all day for work, could limit the benefit any activity you do take part in has on your metabolism.

While the study was only carried out on a small, active group of participants, Coyle adds that it is a “very good idea not to sit all day”, and plans to research the matter more with his team.

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Always use only regulated platforms

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Report to local authorities

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Mia Man’s tips for fermentation

- Start with a simple recipe such as yogurt or sauerkraut

- Keep your hands and kitchen tools clean. Sanitize knives, cutting boards, tongs and storage jars with boiling water before you start.

- Mold is bad: the colour pink is a sign of mold. If yogurt turns pink as it ferments, you need to discard it and start again. For kraut, if you remove the top leaves and see any sign of mold, you should discard the batch.

- Always use clean, closed, airtight lids and containers such as mason jars when fermenting yogurt and kraut. Keep the lid closed to prevent insects and contaminants from getting in.