Ambidexterity
From Wikipedia, the free encyclopedia
Ambidexterity is the state of being equally adapt in the use of both right and left appendages (such as the hands). It is one of the most famous varieties of cross-dominance.
Although ambidexterity is rare, ambidextrous people may still gravitate towards performing certain types of tasks with a specific hand. The degree of versatility with each hand is generally the qualitative factor in determining a person's ambidexterity.
In modern times, it is more common to find people considered ambidextrous who were originally left handed, and who learned to be ambidextrous either deliberately or during childhood in institutions such as schools where right-handed habits are often emphasized. Also, since many everyday devices are designed to be only ergonomic for right-handed people, many left-handed people choose to use the device with the right hand (good examples are can openers or scissors). As a result, left-handed people are much more likely to develop motor skills in their non-dominant hand than right-handed people (who are not subjected to left-favouring devices). Ambidexterity is often encouraged in activities requiring a great deal of skill in both hands, such as juggling, swimming, percussion or keyboard music, word processing, surgery, body boxing, and combat
So I'm thinking that any drummer who has close to equal ability in either hand should be considered ambidextrous, drumming definitely requires it (to sound good anyway)