Health
Why Covid is likely to spread in the gym
Scientists expected that the aerosol output of the exerciser would increase as the intensity increased. As we work hard, we all breathe deeper and faster. However, the extent of the increase “surprised us,” said Henning Wackerbage, a professor of exercise biology at the Technische Universität München and senior author of the new study.
The increase in aerosol emissions began slowly when the rider warmed up and began to pedal harder. However, the increase in emissions became exponential when the threshold for markedly intense exercise was reached, such as when jogging became a run or when the spin class switched to an interval. Riders began to exhale about 10 times more air per minute than at rest, but as the rider approached fatigue, the number of particles per minute surged more than 100 times (varies considerably from person to person).
Benedict Mucci, a graduate student at the Institute of Fluid Mechanics and Aerodynamics at the German Military University, said in a room full of spin bike riders, treadmill runners, or boot campers, “the concentration of aerosol particles increased significantly. I will do it. ” Research co-author in Munich. The more particles you have, the more likely you are to have a Covid-19 infection if your exerciser is infected.
“This study provides mechanistic data to support the assumption that indoor exercise is a higher-risk activity for Covid-19 infection than outdoor exercise,” said Lindsey Marr, a professor at Virginia Tech. “. Expert in virus transmission in the air.
However, these risks can be mitigated. Chris Kappa, a professor of civil engineering and environmental engineering at the University of California, Davis and an expert in airflow dynamics, said:
“Open windows, especially with fans, are often as effective as active ventilation systems,” he said. If the gym window is closed, ask your manager to widen the window and crank up the fan. If the weather is harsh and air conditioning is required, allow the gym unit to draw in air from the outside. This will replace the air filled with aerosol emissions from you and your classmates with fresh ones.
Also, Jim may suggest installing an indoor air filter in each workout area, Dr. Cappa said. “These are very effective in reducing the risk of infection by removing the virus from the air.” They can. Buy commercially or Made at homeHe said.
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Sources 2/ https://www.nytimes.com/2022/05/24/well/move/covid-gym-air.html The mention sources can contact us to remove/changing this article |
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