ABSTRACT
This chapter presents a broad-brush treatment of the entire area of human factors engineering. Physiological responses of the eye and of the brain are probably the most important of the entire process as far as human factors engineering is concerned. Some products require an insignificant force or consumption of energy, but test human limitations in regard to speed of response and accuracy of motion. An automobile is one such product, especially when equipped with power steering. Regardless of the joint, all movements are controlled by systems of muscles which are attached to the bones by tendons. Muscle action, requires the expenditure of energy, which in turn produces waste products. When considering human-machine interactions, a number of considerations must be taken into account. These include: the "fit" between human and machine and when using some products, as on production lines, parts must be manipulated or moved, force must be applied, or work done.
