Relieve Tension, Strengthen Your Core, and Stay More Focused with a Balance Board from StrongTek! When you’re stuck sitting behind a desk all day, it can cause your back to hurt, it’s easier to lose focus, and your feet and legs can ache from not being able to move. That’s why we created the StrongTek Evolve Balance Board, a smart way to stand up, keep your mind and body engaged while you’re working, and help relieve stress and foot pain in the process.