Ключевые слова: ache, adult, aged, arthritis, background, bad, bed, bedroom, body, bone, care, caucasian, concept, depressed, disease, elderly, emotion, expression, feeling, gentleman, gonalgia, health, home, indoors, inflammation, injury, joint, knee, leg, male, mature, medic, medical, medicine, middle, pain, painful, person, problem, rheumatism, room, senior, sick, suffering, tired, unhealthy, unwell, weak man, white,