Ключевые слова: active, back exercise, back training, body, class, course, elderly, exercise, fit, fitness, group, gymnastics, happy, health, healthy, man, movement, nature, old, outside, park, pensioner, people, pilates, rehab, rehabilitation, relaxation, retired, retiree, senior, senior citizen, senior citizens, seniors, sport, sporty, stretch, stretching, together, training, vital, wellness, woman, yoga,