Ключевые слова: adult, alone, angle, back, backache, backgrounds, black, care, dorsal, female, health, healthcare, human, individual, indoor, injury, inside, interior, job, lonesome, lower, lumbago, man, massage, medical, medicine, myself, office, old, oneself, pain, painful, person, physical, position, posture, problem, profile, profiles, seated, side, sideview, single, sit, view, white, women, work, worker, young,