Ключевые слова: ache, african, american, b, back, backpain, bad, black, business, chair, chart, dealing, desktop, ergonomic, fear, female, full, girl, growth, human, injuries, lady, neck, office, pain, pc, posture, public, r, sit, sitting, skeleton, slouch, sore, speaking, travail, using, woman, women, work, young,