A study conducted last year by the University of São Paulo School of Physical Education and Sports (EEFE/USP) concluded that resistance exercises produce desired effects, even when practiced in polluted environments. has already adapted to such a scenario in recreationally trained individuals.
The first author of the paper, André Casanova Silveira, tells Agência FAPESP: “So we can say that in this case the benefits of exercise outweigh the harmful effects of the polluted environment.”
According to the study’s coordinator, professor Rômulo Bertuzzi, traditional fixed-load exercise models “cannot mimic” the effects of a real test. The team needed to create a long-term experiment of more than 60 minutes that could mimic this scenario..
How did scientists prove that athletes “get used to” pollution?
To prove the hypothesis that there may be a certain type of acclimatization in athletes accustomed to polluted environments, the scientists placed a camera in the parking lot of the School of Medicine at the USP, 20 meters from the street and 150 meters from a busy traffic intersection. . There are two ducts in the room through which the street air enters, one with a chemical filter and the other without a filter.
A group of ten male cyclists performed a 50 km virtual circuit (against time) on a roller on two different days, 48 hours apart. The tests were done randomly: one in a “dirty” environment and the other with filtered air.
Analysis of markers of inflammation found in the participants’ blood revealed that exercise was good for the participants. Regardless of whether it is applied in an unfiltered environment or scientifically aseptic environment.
ARTICLE: American Journal of Physiology – DOI: 10.1152/ajpregu.00305.2021.
Source: Tec Mundo
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