An adjustable chair, ergonomic keyboard, footstool, document holder, and adjustable monitor stand can help prevent strain and muscle pain for office workers. An adjustable chair allows leaning forward or reclining to avoid strain. An ergonomic keyboard and footstool are designed to minimize muscle strain. A document holder positions materials for easy viewing without neck craning. An adjustable monitor stand places the screen at a comfortable distance and height to prevent issues like RSI and headaches.