Ключевые слова: activity, adult, aerobic, arm, background, body, care, caucasian, contagious, corona, coronavirus, covid 19, danger, disease, environment, exercise, exercising, fitness, germ, gymnastics, hand, health, healthy, human, infected, infection, infectious, lifestyle, looking, male, man, mask, muscle, muscular, people, physical exercise, position, practicing, protection, protective, recreation, sick, sport, sporty, stretching, training, virus, young,