Ключевые слова: active, adult, athlete, caucasian, dumbbell, elderly, equipment, exercise, fit, fitness, gym, health, healthy, instructor, job, lifestyle, looking, male, man, mature, medical, modern, motivation, muscular, old, pensioner, person, personal, physiotherapist, player, professional, recovery, retirement, senior, sport, standing, strong, teamwork, therapist, therapy, trainer, training, two, wellness, worker, working, workout, young,