AskDefine | Define lefthanded

Dictionary Definition

left-handed adj
1 using or intended for the lefts hand; "left-handed golfers need left-handed clubs"; "left-handed scissors" [ant: ambidextrous, right-handed]
2 (of marriages) illicit or informal; "in Colonial America left-handed marriages between Frenchmen and Indians were frequent"
3 (of marriages) of a marriage between one of royal or noble birth and one of lower rank; valid but with the understanding that the rank of the inferior remains unchanged and offspring do not succeed to titles or property of the superior [syn: morganatic]
4 rotating to the left [syn: levorotary, levorotatory]
5 ironically ambiguous; "a left-handed compliment"
6 not skillful in physical movement especially with the hands; "a bumbling mechanic"; "a bungling performance"; "ham-handed governmental interference"; "could scarcely empty a scuttle of ashes, so handless was the poor creature"- Mary H. Vorse [syn: bumbling, bungling, butterfingered, ham-fisted, ham-handed, handless, heavy-handed]

User Contributed Dictionary



  1. Alternative spelling of left-handed

Extensive Definition

Left-handedness is the preference for the left hand over the right for everyday activities such as writing. Most left-handed people favor their right hand for some activities, and many exhibit some degree of ambidexterity. Left-handedness is relatively uncommon; over 90% of the adult population is right-handed. Being left-handed can be advantageous in some sports and games, although sometimes special equipment is required. Some everyday items such as scissors and other tools also have left-handed variants.


In 1998, a study suggested that approximately 7 to 10 percent of the adult population was left-handed. Studies indicate that left-handedness is more common in males than females. Left-handedness, in comparison to the general population, also appears to occur more frequently in both identical and fraternal twins, and several groups of individuals with neurological disorders (such as people with epilepsy, Down's Syndrome, autism, mental retardation and dyslexia). Statistically, the identical twin of a left-handed person has a 76 percent chance of being left-handed, identifying the cause(s) as partly genetic and partly environmental.

Causes of left-handedness

  • Hand orientation is developed in unborn children, most commonly determined by observing which hand is predominantly licked or held close to the mouth. Current genetic research suggests there is a genetic factor involved.
  • In 2007, researchers discovered LRRTM1, the first gene linked to increased odds of being left-handed. The researchers also claim that possessing this gene slightly raises the risk of psychotic mental illnesses such as schizophrenia.
  • Long-term impairment of the right hand: People with long-term impairment of the right hand are more likely to become left-handed, even after their right hand heals. Such long term impairment is defined as 8 months or more.
  • Testosterone: Exposure to higher rates of testosterone before birth can lead to a left-handed child. This is the Geschwind theory, named after the neurologist who proposed it, Norman Geschwind. It suggests that variations in levels of testosterone during pregnancy shape the development of the fetal brain. Testosterone suppresses the growth of the left cerebral hemisphere and so more neurons migrate to the right hemisphere. The highly developed right hemisphere is now better suited to function as the center of language and handedness. The fetus is more likely to become left-handed, since the right hemisphere controls the left half of the body. The theory goes on to tie the exposure to higher levels of testosterone and the resultant right-hemisphere dominance to auto-immune disorders, learning disorders, dyslexia, and stuttering, as well as increased spatial ability.
  • Ultrasound theory: Ultrasound scans may affect the brain of unborn children, causing higher rates of left-handedness in children born to mothers who have ultrasound scans compared to those who do not. This is probably based on a few studies where this relation is studied. In one of these the authors claim that "...we found a possible association between routine ultrasonography in utero and subsequent non-right handedness among children in primary school." However later in the same article the authors state that "Thus the association ... may be due to chance" and "The result was not significant, suggesting that the study had insufficient statistical power to resolve the relationship between ultrasonography and subsequent left handedness in the child"

Social stigma and repression of left-handedness

Negative associations of left-handedness in language

There are many colloquial terms used to refer to a left-handed person. Some are just slang or jargon words, while others may be offensive or demeaning, either in context or in origin. In more technical contexts, 'sinistral' may be used in place of 'left-handed' and 'sinistrality' in place of 'left-handedness'. Both of these technical terms derive from sinister, a Latin word meaning 'left'.
Some left-handed people consider themselves oppressed, even to the point of prejudice. Etymology often lends weight to the argument:
In Hebrew, as well as in other ancient Semitic and Mesopotamian languages, the term "hand" was a symbol of power or custody. The left hand symbolized the power to shame society, and was used as a metaphor for misfortune, natural evil, or punishment from the gods. This metaphor survived ancient culture and was integrated into mainstream Christianity by early Catholic theologians as Ambrose of Milan to modern Protestant theologians such as Karl Barth to attribute natural evil to God in explaining God's omnipotence over the universe.
Meanings evolved from use of these terms in the ancient languages. In many European languages, "right" is not only a synonym for correctness, but also stands for authority and justice: German and Dutch recht, French droit, Spanish derecho; in most Slavic languages the root prav is used in words carrying meanings of correctness or justice. Being right-handed has also historically been thought of as being skillful: the Latin word for right-handed is dexter, as in dexterity; indeed, the Spanish term diestro and the Italian's destro, mean both "right-handed" and "skillful". In Irish, "deas" means "right side" and "nice". "Ciotóg" is the left hand and is related to "ciotach" meaning "awkward"; in French, "gauche" means "left" and is also a synonym of "maladroit", meaning "clumsy". Same for the Italian "maldestro" and the Dutch word "links".
Meanwhile, the English word sinister comes from the Latin word sinister, which originally meant "left" but took on meanings of "evil" or "unlucky" by the Classical Latin era. Alternatively, sinister comes from the Latin word sinus meaning "pocket": a traditional Roman toga had only one pocket, located on the left side for the convenience of a right-handed wearer. The contemporary Italian word sinistra has both meanings of sinister and left. The Spanish siniestra has both, too, although the 'left' meaning is less common and is usually expressed by izquierda, a Basque word. In Portuguese, the most common word for left-handed person, canhoto, was once used to identify the devil, and canhestro, a related word, means "clumsy".
The left side is often associated with awkwardness and clumsiness. The Dutch expression "twee linkerhanden hebben" and the Bulgarian expression "dve levi ratse" ("to have two left hands") both mean being clumsy. The English phrase, to have "two left feet" means to be bad at dancing. As these are all very old words/phrases, they support theories indicating that the predominance of right-handedness is an extremely old phenomenon.
In ancient China, the left has been the "bad" side. The adjective "left" (左 Mandarin: zuǒ) means "improper" or "out of accord". For instance, the phrase "left path" (左道 Mandarin: zuǒdao) stands for illegal or immoral means.
In Norwegian, the expression venstrehåndsarbeid (left-hand work) means "something that is done in a sloppy or unsatisfactory way". Additionally, one of the Norwegian words for left-handed, "keivhendt", comes from Norwegian words meaning wrong handed or not straight handed.
The Hungarian word balfácán means twit. (Bal means left and fácán is for pheasant.) Other synonyms are balfék and balek. However all these are euphemistic versions of the original vulgar word balfasz, combining "bal" and the vulgar name of the male genitals fasz.
In Ireland left handedness is called a "ciotógach" (kitt-oog) which is Irish for left-handed. It is frequently used amongst native Irish people, eg. "she gave him a slap of the ciotógach after he insulted her at the bar" the word ciotógach is not derogatory and is held with affection amongst left handed people.
In some parts of the English-speaking world 'cack-handed' is slang for left-handed. The origin of this term is disputed, but some suggest it is derived from the Latin cacare, in reference to the habit of performing ablutions with the left hand, leaving the right hand 'clean'. However, other source suggest that it is derived from the Old Norse word keikr, meaning "bent backwards".
The common Australian slang for a left-handed individual is the term Molly-Dooker, whose origins cannot be ascertained for certain, but whose intention is overwhelming clear.
Amongst Muslims, and in some societies including India, it is customary to use the left hand for cleaning oneself with water after defecating. The right hand is commonly known in contradistinction from the left, as the hand used for eating.
Even the word "ambidexterity" reflects the bias. Its intended meaning is, "skillful on both sides". However, since it keeps the Latin root "dexter", which means "right", it ends up conveying the idea of being "right-handed at both sides". This bias is also apparent in the lesser-known antonym "ambisinistrous", which means "clumsy on both sides" and derives from the Latin root "sinister."
In Esperanto, the word "left" is rendered maldekstra, literally meaning "opposite of right." A left-handed person is a maldekstrulo. The prefix mal- does not mean "bad", but simply "opposite"; in fact, "generous" translates as malavara, meaning "opposite of greedy." A neologism liva was not accepted by the speakers.
In Russian, "to stray left" is a euphemism for being unfaithful to a spouse or partner.


A left-handed individual may be known as a southpaw, particularly in a sports context. It is widely accepted that the term originated in the United States, in the game of baseball. Ballparks are often designed so that right-handed batters are facing east, so that the afternoon or evening sun does not shine in their eyes. This means that left-handed pitchers are throwing with their south-side arm. However, the Oxford English Dictionary lists a non-baseball citation for "south paw", meaning a punch with the left hand, as early as 1848, just three years after the first organized baseball game.
In boxing, someone who boxes left-handed is frequently referred to as southpaw. The term is also used to refer to a stance in which the boxer places the right foot in front of the left, so it is possible for a right-handed boxer to box with a southpaw stance. Most boxers, southpaw or otherwise, tend to train with sparring partners who adopt an orthodox stance which gives southpaws an advantage.
Some left-handed persons may find the term offensive, especially if the term is not used in the context of a players preffered hand in sports. This is partially due to the modern obscurity of the term outside of the Southern United States, where it is used more frequently than other areas, thus causing a perception of slander by those unfamiliar with the term.

Accessibility of implements and skills

Left-handed people are sometimes placed at a disadvantage by the prevalence of right handed tools in society. Many tools and devices are designed to be comfortably used with the right hand. For example, (right-handed) scissors, a very common tool, are arranged so that the line being cut along can be seen by a right-handed user, but is obscured to a left-handed user. Furthermore, the handles are often molded in a way that is difficult for a left-hander to hold, and extensive use in such cases can lead to varying levels of discomfort. Most importantly, the scissoring or shearing action - how the blades work together (how they are attached at the pivot) - operates correctly for a right-hander, but a left-hander will tend to force the blades apart rather than shearing the target substance.
The computer mouse is sometimes made to fit the right hand better. Many computer installations have the mouse placed on the right side, making it awkward for left handers to use without moving the mouse to the other side of the keyboard. Some mouse drivers and operating systems allow the user to reconfigure the mouse buttons to reverse their functions. However, being left-handed does not always mean the person uses the mouse on a computer with the left hand; many left-handers can use the mouse right-handed because they learned it that way from the start. It can be said that this is an advantage as one can use the mouse with their non-dominant hand, leaving their left to do tasks such as taking notes uninterrupted.
While European-style kitchen knives are symmetrical, Japanese kitchen knives have the cutting edge ground asymmetrically, with ratios ranging from 70-30 for the average chef's knife, to 90-10 for professional sushi chef knives; left-handed models are rare, and usually must be specially ordered or custom made.
The lack of left-handed tools and machines in many workplaces is not only a nuisance to many left-handers, but has actually placed them at peril. One example is the band saw, whose standard design is convenient for right-handers but encourages left-handers to pass their arms dangerously close to the cutting blade with every pass of the saw. In fact, some factories have installed left-handed equipment after successful class-action lawsuits on behalf of left-handed employees.
Many well-intentioned companies have manufactured products with left-handers in mind, but have still failed to meet left-handers' needs. For instance, many companies have produced "left-handed scissors" by simply inverting the scissors' handles, making the grip work for the left-hander. Unfortunately, for scissors to function in a truly left-handed manner, their blades must also be mirror-inverted, without which the left-hander is forced to make a "blind cut" because the blade obscures the paper from view. Mundial and Fiskars are companies that have produced truly left-handed scissors, inverting both the blades and the handles.
Left-handed adaptations have even bridged the world of music; guitars are often made especially for lefties, and there have even been inverted pianos where the deepest notes correspond to the rightmost keys instead of the leftmost. Inverted trumpets are made, too, but at a considerably higher cost. The prevailing belief is that left-handed trumpeters aren't at a significant disadvantage; the French Horn, for example, is played with the left hand, yet most horn players are right-handed.
Left-handed golf clubs were one of the earlier, and well-accepted, manifestations of a special version of an implement; the most notable left-handed-playing participant being Phil Mickelson (he is naturally right-handed).


It can be difficult for left-handed children to learn to write if the teacher does not take the student's left-handedness into account. In fact, even in the later 20th century, some UK schools were discouraging children from writing with their left hand, often seriously affecting the child's development (Hansard 1998). When properly done, left-handed writing is a mirror image to that of the right-hander, making the teaching process confusing (if right-handed) for the teacher of a left-handed student. The result is that many left-handed children learn to write with their hand curled around the pen so that it can meet the paper at the same angle as the right hander, rather than simply tilt the paper the opposite way. Once this habit is formed, it is difficult to break. This curling of the hand results in the heel of the palm being placed behind the writing, forcing the writer to lift it off the paper and making the grip even more awkward. In addition, constantly lifting and replacing the hand over fresh ink often causes smudging, causing problems for many left-handed students, especially in exam situations. When the left hand is held correctly, it is below the writing, as is typical for right-handers.
However, left-handed people who speak Arabic, Persian, Urdu and Hebrew or any other right to left language, do not have the same difficulties with writing. The right to left nature of these languages prevents left-handers from running their hand on the ink as happens with left to right languages. Still, due to these alphabets being developed for right-handed people, the characters are still often more easily matched to a right-handed profile.


The vast majority of firearms are designed for right-handed shooters, with the operating handle, magazine release, and/or safety mechanisms set up for manipulation by the right hand, and fired cartridge cases ejected to the right. Also, scopes and sights may be mounted in such a way as to require the shooter to place the rifle against his or her right shoulder. A left-handed shooter must either purchase a left-handed firearm (which are manufactured in smaller numbers and are generally more expensive and/or harder to obtain), shoot a right-handed gun left-handed (which presents certain difficulties, such as the controls being improperly located for them or shell cases being ejected towards their body), or learn to shoot right-handed (which may pose additional problems, primarily that of ocular dominance). Fortunately for left-handed people, modern guns feature more ambidextrous or right/left-handed reversible operating parts than their predecessors. Bullpup rifles are particularly problematic for lefties unless they can be reconfigured, since empty shells would be ejected fast and straight into the shooter's face and cheek potentially causing injury. Lever action and pump action firearms present fewer difficulties for lefties than bolt action weapons do.

Left-handedness and intelligence

In his book Right-Hand, Left-Hand, Chris McManus of University College London, argues that the proportion of left-handers is rising and left-handed people as a group have historically produced an above-average quota of high achievers. He says that left-handers' brains are structured differently in a way that widens their range of abilities, and the genes that determine left-handedness also govern development of the language centers of the brain.
McManus also says that the increase in the 20th century of people identifying as left-handed could produce a corresponding intellectual advance and a leap in the number of mathematical, sporting, or artistic geniuses.
In 2006, researchers at Lafayette College and Johns Hopkins University in a study found that left-handed men are 15 percent richer than right-handed men for those who attended college, and 26 percent richer if they graduated. The wage difference is still unexplainable and does not appear to apply to women.

Prevalence with age

In Britain, a study in the 1970s found that around 11 percent of men and women aged 15-24 were left-handed, compared to just 3 percent in the 55-64 age category. The study suggests that 'cultural pressures' for right-hand use were prevalent in the industrial societies in the 18th and 19th centuries (with the advancement of mass literacy), and that those pressures were only significantly relaxed in the 'later decades' of the 20th century. The study also refers to tests on medieval skeletons that show evidence of hand-usage similar to today's, which suggests that hand-prejudice was not always part of UK society.
Right-Hand, Left-Hand author Chris McManus also suggests a number of factors that may have led to the modern increase in left-hand usage:
  • Left-handers suffered severe prejudice during the 18th and 19th centuries and it was often "beaten out" of people
  • In adulthood, left-handers were often shunned by society, resulting in fewer marrying and reproducing
  • As prejudice declined in the 20th century, the number of natural left-handers who stayed left-handed increased
  • The rising age of motherhood contributed as, statistically, older mothers are more likely to give birth to left-handed children.
Statistics show that older people are less likely to be left-handed than their younger counterparts — the percentages of left-handed people sharply drop off with increased age. In the U.S., 12 percent of 20 year olds are left-handed, while only 5 percent of 50 year olds and less than 1 percent of people over 80 are.
A study published in 1991 claimed that these statistics indicate that left-handed people's lifespans are shorter than those of their right-handed counterparts by as much as 9 years. The authors suggested that this may be the result of left-handed people being more likely to die in accidents as a result of their "affliction", which renders them clumsier and ill-equipped to survive in a right-handed world. Many subsequent studies have shown no evidence that left-handed people have reduced longevity compared to right-handed people
According to The Left-Hander Syndrome most people were only forced to write with their right hand and allowed to continue being left-handed in most other respects indicating that the decline in older left-handers is not from being forced or switching in later life.
Dory Previn wrote a song in which she explains that she was born left-handed but nuns in her school "broke her out of it"; later in life, she went back to using her left hand she said "I went back to using my left, my natural hand," and discovered her musical talent, among other things.
Nuns are often associated with training left-handers to write with their right hand. However, this practice was common in both religious and non-religious schools. The training was due to the difficulty left-handers had writing with liquid ink or fountain pens. When writing with these pens, the side of the left-hander's hand would smear the writing as it passed over the newly-written words. Fountain pens have widely been replaced by the ballpoint pens, although traditional teaching methods still stipulate the use of fountain pens.

Left-handedness in sports

There are many left-handers in sports; however, a written rule in polo states that one must not hold a stick in his or her left arm. There are very few left-handed professionals in polo; all are required to use their right hand. Jai-Alai is another sport where left-handed play is forbidden.
In field hockey, right-handed play is effectively required (though not explicitly so) because one rule states that the ball cannot be played with the back of the stick and left hand sticks are not allowed. The reason for this is because when attempting to tackle the opponent's stick, the left hander would have to go through his/her legs, while another specifies that the stick be flat on its left side, which would be the "natural" side for a right-handed player, but when playing with the stick in one hand (playing reverse), this can give an advantage back to the left-handers. Having all players play with the same handedness is essential to keeping field hockey a non-contact sport: a left-hander and a right-hander competing for the ball would tend to collide. Interestingly, in the sport of ice hockey, there are many more left- shooters. When shooting, the player's less dominant hand is in the middle of the stick, and the dominant hand is at the top of the stick. When skating fast, or stretching to reach a far away puck, a player will often use only the top hand on the stick. The majority of right-dominant players shoot left-handed, and likewise, the majority of left-dominant players shoot right, allowing them to use their dominant hand when wielding the stick one-handed. The majority of goaltenders also catch with their left hand. In Canada, left-handed children are encouraged to play with a right-handed shot, and this puts their dominant hand on the top of the stick, which strengthens stick-handling skills. However, in the United States, lefties are encouraged to play left-handed; this is because of a perceived advantage at shooting and vision on the ice.
In fencing, a right-handed fencer might be more accustomed to facing another right-handed fencer simply because being right-handed is more common. A left-handed fencer might also be more accustomed to facing a right-handed opponent for the same reasons. Therefore, when a right-handed fencer faces a left-handed opponent, the right-hander is not as used to fighting a left-hander as the left-hander is used to fighting a right-hander, causing a noticeable advantage. The same advantage may be present for most one-on-one or face-to-face sporting events.
Baseball is particularly suited to left-handed players for several reasons: left-handed batters are already a step or two closer to first base in their batter's box before they even hit the ball and are more likely to beat out close plays, although a left-handed hitter faces third base and has to pivot before running to first. Many baseball parks have shorter right field fences which gives left-handed sluggers a few more home runs that would otherwise be outs. And finally, most pitchers are right-handed which gives the left-handed hitter a better angle to see the ball and causes curve and sliding pitches to move towards them, rather than away (right-handed batters are similarly advantaged against left-handed pitchers.) That is why a good switch hitter is considered valuable. Also, it is generally preferred (but not required) that first-basemen be left-handed to give them a better tagging angle on pick-off moves and more so because on most balls hit in the field of play, their gloved right hand would be on its forehand as opposed to the backhand. Left-handed fielders almost never play third base, shortstop, or second base, however, because the throwing position towards first base is awkward for a lefty. Catchers are virtually always right-handed as well, because it is difficult to throw to third base in an attempt to catch a base-stealer since a southpaw would have to pivot to the left to get in position for the throw rather than deliver a quick snap with the right hand. The only career catcher to ever throw with his left hand was Jack Clements, who caught for 17 years in the 19th century. A left-handed pitcher naturally faces toward first base, and thus can easily keep an eye on a runner trying to steal second. However, a right-handed pitcher has a more natural body movement in throwing the ball towards first base, when attempting to pick off the runner. First-baseman Charlie Grimm was known as "baseball's only left-handed banjo player"--rare indeed when one considers how difficult it is to play most stringed musical instruments left-handed.
In football (soccer), left-handed players are often more skilled at playing with the left foot (though being left-handed does not necessarily result in being left-footed), which makes them valuable as they can play better on the left side of the field than right-handed players. A famous example of a left-handed football player, who also plays with his left foot is the Argentinian superstar Lionel Messi.
In tennis, left-handers impart spin on the ball that is opposite of that which a right hander would hit. As a result, right-handed players (who are accustomed to playing right handers) have difficulty dealing with a left-hander's shots which curve in a direction opposite to what they are accustomed to facing. Rafael Nadal, despite being right-handed, plays left-handed tennis after being encouraged to do so by his coach for this very reason.
In American football, the most famous left-handed players are usually quarterbacks, such as Kenny Stabler, Michael Vick, Mark Brunell, Steve Young, Boomer Esiason, Matt Leinart, and Jim Zorn. Vick may be an exception though, since he is normally right handed, but throws with his left, despite there being many right handed quarterbacks who have had much NFL success.Donovan McNabb is normally left-handed, but throws with his right.
In basketball, left handed players have a distinct advantage on both ends of the court. On defense, it easier to play against a right-handed player since the defender typically angles the left side of his body towards the dribbler to both force him to dribble with his left hand, and to raise his own left hand in the event of a jumpshot. Conversely if that offensive player is left handed, the standard defensive stance would favor them as they are not being forced to use their weaker hand. In fact, dribbling with the left hand is a highly valued skill in basketball for this very reason. When shooting, since the defender will typically raise his left hand to attempt the block the shot (since his left hand will be closer to the shooter's right-handed shot) a left-handed shooter will have more room to see the basket and attempt the shot.
In water polo, being left-handed allows a player to have an easier time shooting from the right side of the field, as having their shooting hand towards the middle of the field allows them to whip the ball around the keeper and into the upper left corner, a shot which a right-hander in the same position would find impossible. Also, when driving into the center from the right side, a left-handed player can take a dry pass and immediately shoot, whereas a right-handed player would require a wet pass and have to try and chip the goalie on a pop shot. This is why many teams like to have left-handed players, and why they tend to only play on the right (right-handed players have all similar advantages on the left side of the pool).
Boxing appears to be something of an exception to the rule that being a southpaw confers an advantage. Until Karl Mildenberger fought Muhammad Ali in 1966, there had not been a southpaw challenger for the heavyweight title since James J. Corbett, aka "Gentleman Jim" in 1892, and there have only been three southpaw heavyweight title holders since then: Michael Moorer, Corrie Sanders, and the current WBA heavyweight champion Ruslan Chagaev. However, it is worth distinguishing between the southpaw stance and being left-handed, because some trainers will train a naturally left-handed boxer to fight in an orthodox stance, not merely for convenience but because there may be an advantage in having the jab delivered with the stronger hand. Hence a number of boxers who fought in an orthodox stance may have been converted left-handers.
In cricket, left-handed players have thrived over the years. Many technically sound batsmen have been left-handed. As of mid 2006, each and every of the Test playing nations have at least one left-handed batsman in their side. One of the reasons for this is that having a mix of right and left-handers tends to disrupt the bowler's accuracy, because when both a right-handed batsman and a left-handed batsman are batting, the bowler must adjust the line he is bowling when the batsmen change ends. Some famous left-handed cricketers include yesteryear greats like Graeme Pollock, Allan Border, David Gower, Gary Sobers and Wasim Akram; and contemporary greats Brian Lara, Saeed Anwar, Sourav Ganguly, Sanath Jayasuriya, Adam Gilchrist, Graeme Smith, Mike Hussey and Matthew Hayden. It is also well-known that Sachin Tendulkar and Darren Gough both write left-handed. However, many of these players are actually right-handed but bat left-handed.
In ten-pin bowling, left-handed bowlers often need to buy bowling shoes with a sliding sole on the right shoe (the right foot is the one used for release), unless both right and left shoes have sliding soles. There is a stereotype that left-handers start from the outside of the lane and do a stroker style release. Left-handers also have a vast advantage during league and tournament play in ten-pin bowling. As many games are bowled on the same lanes, the oil is dried up and smeared around. This happens less on the left side of the lane as there are, typically, less bowlers bowling left-handed. Left-handed bowlers include Rafael Nepomuceno, Earl Anthony, Parker Bohn III, Jason Couch and Patrick Allen.
In Ultimate, being left-handed can throw off a defender who is more accustomed to defending a right-hander. This is more noticeable at the amateur level. The usual right-sided guard blocks a right-handed player's backhand, which can nullify beginners who have yet to develop a forehand or hammer throw. A lefty, however, can easily throw around a right-sided guard, as their backhand is wide open. Furthermore, a left-hander can be more readily able to throw around their marker's body (also known as 'breaking the mark') on the forehand side due to being able to throw from a more off-balanced position and the defense not setting a mark symmetrically on each side of the body. This has the result of opening up the pitch for their receivers.
Minor sports where left-handedness is a significant advantage include Eton Fives, where the buttress is on the left, the ideal serve placing the ball at the bottom corner - almost impossible for a right-handed player to reach. Another is Real (Royal) Tennis, in which the serve along the penthouse is far easier with the left hand than with the right.

Left-handedness in music

In music, guitar great Jimi Hendrix played a right-handed Fender Stratocaster strung upside down to accommodate his left-handedness. Upon meeting Robert Fripp, leader of King Crimson (of whose music Hendrix had become an avid fan), Hendrix asked him to shake his left hand. Although left-handed, Fripp plays guitar right-handed. Paul McCartney of The Beatles is left-handed; when he first played for John Lennon, he played Lennon's right-handed guitar upside-down. Mark Knopfler and David Knopfler are left handers who play regular right-handed guitars. Billy Ray Cyrus and Dan Seals are notable county music singers who play guitar left-handed. Freddie Mercury, pianist, song writer and lead singer of Queen was left-handed. In India where Freddie was educated during his early childhood, parents and educators discouraged the use of the left hand, so Mercury learned to write and perform other tasks equally well with his right hand. Nirvana front man Kurt Cobain was a well known left handed guitarist. Albert King and BB King are also left handed; however the latter plays right sided guitars while the former usually played a Flying V strung for a right hander but with a left handed stance (upside down). Niccolò Paganini, violinist and composer, was left-handed. The classical pianist Glenn Gould was left-handed. Ringo Starr of The Beatles is also left-handed, even though he plays a right-handed drum set, which gives him a distinct style of drumming. Oasis songwriter and vocalist Noel Gallagher is left handed. Despite this, Gallagher plays the guitar right handed as he says this is the 'only thing' his right hand is good at. Zacky Vengeance of Avenged Sevenfold, Dick Dale, Colie Brice, Doyle Brahmhall III plays guitar left-handed.


Studies show that left-handedness does not necessarily correspond with "left-sidedness" (such as using your left foot to kick with), though most left-handed people tend to have "left-sidedness". The same effect holds with ocular dominance. It has also been found that people have dominant sides of the body, such as the eye, foot, and ear.

Possible effects in humans on thinking

There are many theories on how being left-handed affects the way a person thinks. One theory divides left- and right-handed thinkers into two camps: visual simultaneous vs. linear sequential.
According to this theory, right-handed people are thought to process information using a "linear sequential" method in which one thread must complete its processing before the next thread can be started.
Left-handed persons are thought to process information using a "visual simultaneous" method in which several threads can be processed simultaneously. Another way to view this is such: Suppose there were one thousand pieces of popcorn and one of them was colored blue. Right-handed people—using the linear sequential processing style—would look at the popcorn one at a time until they encountered the blue one. The left-handed person would spread out the pieces of popcorn and look at all of them to find the one that was blue. A side effect of these differing styles of processing is that right-handers need to complete one task before they can start the next. Left-handers, by contrast, are capable and comfortable switching between tasks. This seems to suggest that left-handed people have an excellent ability to multi-task, and anecdotal evidence suggests that there are more creative stems due to this ability to multi-task.
Right-handed people process information using "analysis", which is the method of solving a problem by breaking it down to its pieces and analyzing the pieces one at a time. By contrast, left-handed people process information using "synthesis", which is the method of solving a problem by looking at the whole and trying to use pattern-matching to solve the problem., researchers Allen D. Bragdon and David Gamon, Ph.D., briefly described some of the current research on handedness and its significance. "Handedness researchers Coren and Clare Porac have shown that left-handed university students are more likely to major in visually-based, as opposed to language-based subjects. Another sample of 103 art students found an astounding 47 percent were left- or mixed-handed." [page 76]
Ultimately, being left-handed is not an all-or-nothing situation. The processing styles operate on a continuum where some people are more visual-simultaneous and others are more linear-sequential.


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