As office work affects the metabolism

Everyone has long known that long sitting is bad for health. But the new data, the situation is much more serious. You may be at risk, even if the exercise. Researchers from the University of Texas at Austin have provedInactivity Induces Resistance to the Metabolic Benefits Following Acute ExerciseThat after four days of reduced physical activity brings a state of "resistance training".

10 volunteers tested the impact of a sedentary lifestyle. During the first four days they were on 13 hours a day and were less than 4000 steps. A week later they again spent so four days, but the last day actively in the evening workout on a treadmill.

Normally hours of training has a positive effect on metabolism and the effect of it is stored at least for a day. Insulin sensitivity and glucose tolerance - the signs of a healthy heart - improved immediately. A fat levels in the blood after a meal is reduced.

But training is not helped study participants. The next day, they ate greasy sweet mixture of ice cream with cream and donated blood for analysis. sugar levels, insulin and lipid levels rose, as if these people are not engaged in activities the night before. It establishes the connection between a sedentary lifestyle with metabolism.

Those who sit most of all, get a workout from the least benefit.

This work does not address the emergence of such a connection. However, previous studies in rats have shownMetabolomic analysis of long-term spontaneous exercise in mice suggests increased lipolysis and altered glucose metabolism when animals are at restThat the metabolism changes when the muscles do not contract a long time. For example, reduced levels of lipase enzyme that regulates fat.

"It is unclear whether there is resistance to training after a sedentary day", - says Edward Coyle (Edward Coyle), lead author of the study. But just do not look that training weekends will save you from the harm of a sedentary lifestyle during the week. Coyle advises held 8-10 thousand steps a day. That should be enoughProlonged sitting negatively affects the postprandial plasma triglyceride-lowering effect of acute exerciseTo benefit from exercise.

Unfortunately, it is impossible to say exactly what hurts: lack of physical activity or self sitting position. Scientists advise not to consider them in isolation. one good training (Or its omission) does not greatly change the deal, but one day too sedentary. What matters is how you live in general. Try to be at least minimally active during the day, then you will get more benefit from going to the gym.