Small and big persons, disabled and elderly, expectant mothers and children. Everyone will fall into one of these categories at least once in their lifetime. In fact, demographics show that at least two of every five people vary from the norm in height, width, and weight at any given time. Yet customarily, designers design for adults of regular size with standard abilities. Written by an expert in human factors and ergonomics, Extraordinary Ergonomics explores designing for population groups that do not meet the customary standards in age, size, and abilities.

Underscoring the need for...