Most people are inclined to use one hand over the other. Repeated use of the preferred hand leads to hand dominance. Your dominant hand is your skilled hand, the hand that is better at performing intricate tasks like drawing, handwriting, and using a fork or a spoon. Try writing a note or spreading peanut butter on a piece of bread using your non-dominant hand. You will quickly see how one hand is more skilled than the other. This post explains how to help children who have difficulty establishing hand dominance.
Fun Strokes 