The science of ergonomics is an integral part of our designers? and engineers? process of creating a new mouse. Ergo Series mice offer more natural postures, superior ergonomic benefits, and reduced movement or muscle strain and striking form factors. Ergo products like Lift for Business place fingers and hands in a more natural posture, helping to relax the upper body. This leads to a quantifiable reduction in muscle activity, so work is more productive with less strain and forearm muscle fatigue.