Ключевые слова: activity, african american, athletes, athletic, black man, caucasian, elderly, exercise, exercising, female, fit, fitness, fitness mats, friends, friendship, grey hair, gym, indoors, male, mature, men, middle aged, multicultural, multiethnic, old, people, selective focus, senior, sport, sporting, sportive, sports hall, sportsmen, sportspeople, sportswear, sportswomen, sporty, synchronous, together, training, women, working out, workout,