Ключевые слова: ache, adult, back, back ache, back pain, backache, background, body, care, caucasian, computer, cramp, disease, female, health, healthcare, home, hurt, ill, illness, indoors, injury, interior, lower, lumbago, male, man, medical, medicine, muscle, office, old, pain, painful, people, person, problem, sick, sickness, sitting, sore, spine, suffering, symptom, tired, touching, woman, work, worker, young,