Handedness

Handedness is the dominance of one hand over the other. The fine motor skills of humans are not equally distributed between both hands, and there is a strong preference for one hand. Humans efficiently perform manual tasks with the dominant hand. Fine motor skills are related to precision daily manual tasks requiring accuracy, such as throwing objects, threading a needle, modeling clay, sewing, cutting, and handwriting, among others. A person’s handedness refers to the hand most commonly used to perform these activities. In a broad sense, it is the part of the body the person uses to carry out specific activities. All fine motor skills are related to high-quality hand–eye coordination. For example, throwing a spear is a complex activity involving the efficient movement of ...