The modern worker exists in a paradox. We've engineered convenience to such extremes that our bodies have become casualties of our own efficiency. We sit in climate-controlled rooms, staring at glowing rectangles, our spines slowly curving into question marks, our muscles atrophying from disuse. And we call this "work."Somewhere along the way, we forgot that humans were designed for motion, not stillness. We were meant to walk, to shift, to stretch, to perch, to wander. Our ancest…