Ключевые слова: active, aqua aerobics, aqua fitness, back, back exercise, back training, bath, bathing, blue, class, course, exercise, exercises, fitness, fitness center, group, gymnastics, health, health club, health resort treatment, healthy, hydrotherapy, man, old, pensioner, people, physical therapy, physiotherapy, pool, rehab, retiree, senior, senior citizen, senior citizens, seniors, spa, sport, sporty, swim, swim noodle, swimming pool, therapy, training, water, water aerobics, woman,