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Study aim
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Increasing health and prevention
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Design
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Exercise program: including high-intensity interval training for 2 and 4 weeks with an intensity of 80 to 90% of maximum heart rate, three sessions per week, three times in each session in three groups, interval training (6 subjects), interval training + surgical mask (6 subjects) , exercise Interval + N95 mask (6 subjects) was done. Heart rate variability indices were evaluated before and after the training period.
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Settings and conduct
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The project in the sports clinic of the University of Mazandaran used a treadmill with a 12-lead electrocardiogram, a body composition device, a pulse oximeter and scales, exercises and sports tests with and without masks performed from 8 am to 2 pm.
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Participants/Inclusion and exclusion criteria
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Inclusion criteria:20-40 years old, with no history of chronic illness, including; arthritis, diabetes, high blood pressure, cancer, heart attack, chronic cough and bronchitis, no orthopedic injury, and no smoking history.
Exit criteria: have Spo2 less than 95%, have at least one sign/symptom of fever or acute respiratory illness, history of travel to another country/state within 14 days before experience and close contact with confirmed COVID-19 patient by RT-PCR test.
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Intervention groups
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surgical and N95 mask, high-intensity interval training
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Main outcome variables
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Increase cardiac autonomic function by decreasing sympathetic activity and increasing parasympathetic heart rate variability