Ключевые слова: activity, adulthood, aged, aging, assistance, assistant, baby boomer, barrier, community, device, disability, elderly, equipment, exceptional, exercise, fitness ball, full length, generation, gymnastics, health, healthcare, immobile, impairment, instructor, insurance, interaction, lifestyle, male, man, mature, medical, muscle, old, paralyzed, pensioner, physically, professional, rehab, rehabilitation, retired, retirement, social, social security, society, sport, trainer, training, traumatic, wellness,