Ключевые слова: ache, adult, back, backache, background, body, bone, care, caucasian, chair, chronic, cramp, discomfort, disease, female, health, illness, indoors, lumbar, medical, muscle, office, orthopedic, osteoporosis, pain, painful, person, physical, pose, posture, pressure, problem, ridge, scoliosis, shoulder, sick, sickness, sitting, sore, spinal, spine, strain, suffering, symptom, syndrome, table, touching, woman, workplace, young,