Handedness
Overview
Handedness is a human attribute defined by unequal distribution of fine motor skills between the left and right hands. An individual who is more dexterous with the right hand is called right-handed and one who is more skilled with the left is said to be left-handed
Left-handed
Left-handedness is the preference for the left hand over the right for everyday activities such as writing. In ancient times it was seen as a sign of the devil, and was abhorred in many cultures...

. A minority of people are equally skilled with both hands, and are termed ambidextrous
Ambidexterity
Ambidexterity is the state of being equally adept in the use of both left and right appendages . It is one of the most famous varieties of cross-dominance. People that are naturally ambidextrous are rare, with only one out of one hundred people being naturally ambidextrous...

. People who demonstrate awkwardness with both hands are said to be ambilevous or ambisinister. Ambisinistrous motor skill
Motor skill
A motor skill is a learned sequence of movements that combine to produce a smooth, efficient action in order to master a particular task. The development of motor skill occurs in the motor cortex, the region of the cerebral cortex that controls voluntary muscle groups.- Development of motor skills...

s or a low level of dexterity may be the result of a debilitating physical condition.

There are four main types of handedness:
  • Right-handedness is most common.
 
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