Standing/Sitting Desk Converter, Dual Monitor Sit Stand Desk Riser for Tabletops – 35 Inch Width, Black : Office Products Ergotron – WorkFit-T

• Transform your existing desk into a sit-stand desk with medium-size worksurface and keyboard tray, plus 15 inches (38 centimeters) of smooth vertical lift
• Make your move for a better workday by sitting or standing with a comfortable, ergonomic fit that helps boost your productivity and focus
• Wide footprint gives you more room to spread out, with 125 additional square inches (317.5 square centimeters) of surface area to hold your laptop, two monitors, phone charger, tablet, and coffee; move up to 40 pounds (18.1 kgs) straight up and down
• Includes a tabletop desk converter with integrated keyboard tray; no assembly required – slide it out of the box onto a tabletop, and you’re ready to work
• Sturdy, professional-grade design includes a 5-year warranty

Dr. Nate’s Thoughts: We see long hours sitting as a huge cause of low back pain. There are a lot of different standing/sitting desks on the market. This one is a relatively inexpensive but well-made addition you can put right on top of your current desk.