Why the gym could be a COVID-19 hotspot?

Sample studies have been carried out in various parts of the world and steps have been taken to quantify

at gyms and fitness clubs. This study was published in the journal

Professor Christian Kähler at the Institute of Mechanics and Aerodynamics at the Universityität der Bundeswehr München and co-author of the study. Their production of aerosol particles was measured during rest and self-activity.

The study found that participants inhaled about 580 particles per minute at rest and 76,200 particles per minute during sleep. skill exercises. People with more exercise and endurance training experience inhaled 85% more aerosols than those without such training ().


This information should be used to develop more data-driven mitigations for indoor group exercise, the study authors said.

They recommend increasing ventilation in the gym, keeping a safe distance between people and controlling time in the gym. ().

In addition, 15-minute broadcast breaks between classes, exercise checks before participants exercise, protective shielding between exercisers, air filters and Wear a mask when exercising introduced ().

“These data not only explain transmission of SARS-CoV-2 during indoor group exercise, but can also be used to design better targeted mitigations for physical activity.” indoors such as physical education in schools, dance events at weddings or intense fitness classes, as the study shows.

The researchers say there are some limitations to their study. There were only 16 participants and none of them had COVID, so the real distribution of Aerosol particles COVID not calculated ().

Research in Korea

A study out of Korea examined the number of aerosol particles emitted by humans during rest and exercise. These small airborne objects – several hundred micrometers in diameter or the width of a hair and suspended in mist from our lungs – can carry mild COVID-19 in the air if anyone becomes infected from the lungs. from one lung to another.

Research shows that men and women breathe about 500 particles per minute at rest. But when they exercised, the total increased 132-fold, averaging more than 76,000 ppm during the hardest work ().

In general, obstructing the breathing organs in the intimate area is not a good way to prevent spread COVID-19 or other respiratory diseases. In 2020, 54 Koreans developed COVID after taking Zumba classes with affected instructors and then passing it on to their family members and acquaintances. Later that year, all 10 members of a Hawaiian spin class taught by the affected coach tested positive, and 11 had close contact with one of the class members, a personal trainer. personal and a kickboxing coach.

Scientists who have studied these and similar eruptions have speculated that ventilation was inadequate and high respiratory rate among exercisers may have contributed to the spread of COIVD ‘wildfires’ in affected gyms. But scientists can only guess to what extent exercising in gyms increases the amount of aerosol particles. It is difficult to accurately measure the height of particles floating during exercise.

More aerosol emissions during intense exercise

“We previously knew that when you exercise, more air comes out of a person,” said Professor Henning Wackerhage at Technische Universität München and co-author of the study. He added, “But we didn’t know before, and what I didn’t expect, was when we exercised hard: there were more particles per liter of air.”

The study authors were able to determine the number of particles that were released at rest and during an exercise routine.

For another study, researchers asked 16 participants to breathe in clean air from a silicone mask and then exhale into a plastic bag. According to GS Kähler, this has led to more accurate results.

People who are physically fit emit 85% more aerosol particles than those who are not physically fit. People who train and exercise regularly are more likely to release large amounts of aerosol particles, which may indicate a higher risk of infection.

How to reduce the risk of exercise?

Since the COVID-19 pandemic started Experts have repeatedly emphasized the importance of wearing a mask, maintaining social space and being respectful Proper hand hygiene. This is suitable for people who go to the gym and handle the equipment.

Here are six ways to protect your health as well as the health of those you hit the gym with.

Don’t go to the gym during rush hour

COVID-19 is mainly spread from person to person through respiratory droplets. This means one of the best ways to Avoiding COVID-19 is through social distancing which includes avoiding crowds.

The best way to reduce your chances of coming into contact with someone with COVID-19 while at the gym is to go at times when there are fewer people. If you don’t know your gym’s peak hours, give them a call. Additionally, some smartphone map apps list the location’s popular times and whether it’s currently busy ().

Avoid crowded equipment areas

Social exclusion is also avoiding close contact with others. Remember, “near” may be further away than you initially think. To protect yourself from COVID-19, the CDC recommends keeping a distance of about 6 feet between yourself and others.

You may want to use equipment that provides enough space between you and other gym users – this can be difficult at times. Also, keep in mind that the CDC discourages participation in high-intensity, indoor exercise classes unless you’ve been vaccinated ().

Wipe down every device you use

Evidence suggests that the new COVID-19 virus can live anywhere on surfaces for hours to days. This means it’s important to clean and disinfect every piece of equipment you use.

If you’re unvaccinated, you might consider avoiding commonly used equipment like dumbbells, barbells, treadmills, ellipticals, yoga, and stretch mats – especially if they seem difficult to wipe and wipe.).

Wash your hands and avoid touching your face

Practice frequent hand washing before and after your workout. You may also want to consider using hand sanitizer over time throughout your workout.

Finally, while it can be difficult to do this when you’re sweating, avoid touching your face – especially your eyes, nose, and mouth. These are the three main entry points for respiratory viruses such as the new COVID-19 virus and its variants ().

Stay home if you are sick

As with any contagious disease, you should stay home as much as possible if you suspect you’re sick – even if you’ve been vaccinated.

Alternatives to Fitness Hobby

During the COVID-19 pandemic, the government has issued guidance that gyms and fitness centers must follow. You can turn your house into a gym.

Get your own workout equipment and train at home. Also you can enjoy bodybuilding exercises almost the same benefits but with less risk. Also, take regular walks in the fresh air and Yoga can improve your overall health.

To avoid the risk of contracting COVID-19, you can also use exercises at home.

Presenter :

  1. Why gyms have a higher risk of COVID – (
  2. Coronavirus disease cluster linked to gymnastics classes, South Korea – (
  3. COVID-19: Is it safe to go back to the gym? – (

Source: Medindia

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