Relationship between infection,physical and mental health and exercise habits of some Chinese residents after recovery from COVID-19

This study aimed to determine the infection status,exercise habits,anxiety levels,and sleep quality in Chinese residents who recovered from infection during the period of coronavirus disease 2019(COVID-19)period.It also aimed to investigate the influencing factors of recovery status and aid in improving intervention measures for COVID-19 recovery.This study is a sub-study nested within a cross-sectional investigation of infection and physical and mental health among partially recovered residents in all 34 provincial areas of China during the COVID-19 pandemic.A total of 1013 participants(374 males and 639 females)completed the study.Cardiopulmonary endurance was significantly lower after infection than before infection(p<0.001).Women(3.924.97)exhibited higher levels of anxiety than men(3.334.54,p?0.015).The sleep score was significantly higher after infection(8.277.05)than before infection(4.174.97,p<0.001).The active and regular exercise groups exhibited significantly shorter durations of fever than the sedentary and irregular groups(p?0.033;p?0.021).Additionally,the active group demonstrated significantly fewer recovery days([7.323.24]days)than the sedentary group([7.663.06]days,p?0.035).We found a correlation between age and the recovery time of symptoms after COVID-19.We noted that a greater number of symptoms corresponded to poorer cardiopulmonary fitness and sleep quality.Individuals who engage in sedentary lifestyles and irregular exercise regimens generally require prolonged recovery periods.Therefore,incorporating moderate exercise,psychological support,sleep hygiene and other health interventions into post-COVID-19 recovery measures is imperative.

Consensus statement of Chinese experts on exercise prescription(2023)

Exercise prescriptions play a vital role in the prevention and treatment of chronic diseases.A consensus regarding exercise prescription is important for physical health.The“Consensus statement of Chinese experts on exercise prescription”(hereinafter referred to as“Expert Consensus”)divides exercise prescription into two categories:fitness exercise prescription and medical exercise prescription.Traditional Chinese fitness exercises,exercise risk,exercise prescription,and basic precautions for exercise prescription are explained.

Effect of exercise on inhibitory control is dose-dependent for adolescents

Adolescence is an important stage for brain maturation.To investigate the effect of different exercise doses on inhibitory control in adolescents aged 12 to 14-year old,an after-school exercise program was offered 5 days per week for 12 weeks during a school semester.Thirsty-four adolescents(17 boys)from the first six classes were randomly divided into low-dose exercise group(LE group,one 30-min aerobic exercise bout per day,n=16)and high-dose exercise group(HE group,two 30-min aerobic exercise bouts per day,n=18),while 23 adolescents(10 boys)in the control group(CON,zero 30-min exercise bout,n=23)were from the last two classes.All the participants in different classes received the same physical education with the same contents,duration,and intensity at class.All the participants completed flanker tests and cardiorespiratory tests before and after exercise intervention.The HE group showed more significant improvements on inhibitory control and VO_(2peak)than CON(p<0.05).Changes in physical activity(PA)were significantly correlated with changes in interference scores(Spearman rho=-0.30,p<0.05),VO_(2peak)(Spearman rho=0.31,p<0.05),and BF percentage(Spearman rho=-0.32,p<0.05).This study demonstrated that effect of exercise on inhibitory control in adolescents is dose-dependent,which highlights the need to focus on the exercise dose in daily life for improving cognition among adolescents.