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Spencer Platt - Higher intensity group exercise may increase COVID-19 infection risk, study says - fox29.com - New York - Germany - state New York - city Brooklyn, state New York
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Higher intensity group exercise may increase COVID-19 infection risk, study says
People run on treadmills at a New York Sports Club in Brooklyn, New York (Photo by Spencer Platt/Getty Images) Previous studies have identified indoor group exercise as a situation where COVID-19 outbreaks can occur, but new research shows this can be exacerbated by the level of fitness intensity.In a study, published last month in the Proceedings of the National Academy of Sciences (PNAS), researchers in Germany designed a method for measuring aerosol particle emission (exhaled breath) at rest and during different exercise intensities among eight men and eight women. "By measuring aerosol particle concentration and ventilation in one individual, we were able to calculate aerosol particle emission that is a more direct measure of the risk of pathogen transmission by aerosol particles by one individual than the aerosol particle concentration in exhaled air or in room air," the study authors wrote.RELATED: New study reveals best time of day to work out for fat loss, muscle strengthResearchers found that people undertaking strenuous exercise produced on average 132 times more aerosol particles than when they are at rest, with no significant difference between women and men.In addition, fitter, endurance-trained subjects exhaled 85% more particles during maximal exercise than untrained subjects which was considered a significant difference, according to the team. "This finding can be used to design improved mitigation strategies for indoor group exercise," the study’s authors added, noting that the data has important implications for infection control during indoor group exercise.
Spencer Platt - New study reveals best time to work out for fat loss, muscle strength - fox29.com - New York - state New York - city Brooklyn, state New York - county Frontier
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New study reveals best time to work out for fat loss, muscle strength
ideal time to work out? Is it best to hit the gym in the morning? Or, should you wait until the evening to pump some iron?Well, according to new research, it depends. In a new study, published Tuesday in "Frontiers in Physiology," 36 women and 26 men were randomized to workouts in the morning or evening for 12 weeks. Participants were nonsmoking, healthy, trained women and men with no known cardiovascular or metabolic diseases as assessed by a medical history and a comprehensive medical examination. In addition, all participants were highly active, middle-aged (25–55 years old) and had a lean body mass index and stable weight for at least 6 months prior to the beginning of the study.People run on treadmills at a New York Sports Club in Brooklyn, New York (Photo by Spencer Platt/Getty Images) The men and women were required to do multimodal workouts — a combination of physical exercises requiring different components, such as cardiorespiratory, muscular strength and flexibility — for a total of four training sessions per week.RELATED: Exercise after COVID-19 vaccine may increase antibodies, study findsThe people were then analyzed for their muscular strength, endurance, power, body composition, respiratory exchange ratio, behavioral mood changes and dietary intake.
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