Ключевые слова: active, activity, adulthood, age, aged, aging, athletic, baby boomer, biceps, close up, elderly, energy, exercise, fit, fitness, friends, generation, group, gym, gymnasium, gymnastics, health, healthcare, interest, leisure, life span, lifestyle, lifting, mature, old, pensioner, retired, retirement, selective focus, senior, social, social security, society, sport, trainer, training, waist up, weight, wellness, workout,