Ключевые слова: advice, arthritis, assistance, clinic, customer, disability, disease, doctor, effort, elderly, encouragement, examining, exercising, expertise, gym, health care, help, horizontal, hospital, hygiene, illness, indoors, japan, learning, lifestyles, medicine, mid adult, nurse, nursing home, pain, patient, person, physician, professional, recovery, relaxation, retirement, satisfaction, senior, senior adult, sick, specialist, stethoscope, support, therapy, treatment, two people, usa, walking,