Аяқ үстемдігі: табиғи қалау және спорттағы маңызы

Natural preference of one's left or right foot for various purposes
In human biology, footedness is the natural preference of one's left or right foot for various purposes. It is the foot equivalent of handedness. While purposes vary, such as applying the greatest force in a certain foot to complete the action of kick as opposed to stomping, footedness is most commonly associated with the preference of a particular foot in the leading position while engaging in foot or kicking related sports, such as association football and kickboxing. A person may thus be left footed, right footed or ambipedal (able to use both feet equally well).

In association football, the ball is predominantly struck by the foot. Footedness may refer to the foot a player uses to kick with the greatest force and skill. Most people are right footed, kicking with the right leg. Capable left footed footballers are rare and therefore quite sought after. As rare are "two footed" players, who are equally capable with both feet. Such players make up only one sixth of players in the top professional leagues in Europe. Two footedness can be learnt, a notable case being England international Tom Finney, but can only be properly developed in the early years. In basketball, a sport composed almost solely of right handed players, it is common for most athletes to have a dominant left leg which they would use when jumping to complete a right hand layup. Hence, left handed basketball players tend to use their right leg more as they finish a left handed layup (although both right and left handed players are usually able to use both hands when finishing near the basket). In the National Football League, a disproportionate, and increasing, number of punters punt with their left leg, where punting is the position in play that receives and kicks the ball once it leaves the line of scrimmage. At the end of the 2017 NFL season, 10 out of the league's 32 punters were left footed, up from four out of 31 (not counting dual footed punter Chris Hanson, who left the league in 2009) at the beginning of the millennium; in contrast, placekickers were almost exclusively right footed. The only apparent advantage to punting with the left foot is that, because it is not as common, return specialists are not as experienced handling the ball spinning in the opposite direction.

In boardsports (e. g., surfing, skateboarding and snowboarding), one stands erect on a single, lightweight board that slides along the ground or on water. The need for balance causes one to position the body perpendicular to the direction of motion, with one foot leading the other. As with handedness, when this task is repetitively performed, one tends to naturally choose a particular foot for the leading position.

Boardsport riders are "footed" in one of two stances, generally called "regular" and "goofy". Riders will generally quickly choose a preferred stance that becomes permanently preferred. A "regular" stance indicates the left foot leading on the board with the right foot pushing, while a "goofy" stance leads with the right foot on the board, pushing with the left. Professionals seem to be evenly distributed between the stances. Practice can yield a high level of ambidexterity between the two stances, such that even seasoned participants of a boardsport have difficulty discerning the natural footedness of an unfamiliar rider in action. To increase the difficulty, variety, and aesthetic value of tricks, riders can ride "switch stance" (abbreviated to "switch"). For example, a goofy footed skateboarder normally performs an ollie with the right foot forward, but a "switch ollie" would have the rider standing with the left foot at the front of the board. In sports where switch riding is common and expected, like street skateboarding, riders have the goal of appearing natural at, and performing the same tricks in, both regular and goofy stances. Some sports like kitesurfing and windsurfing generally require the rider to be able to switch stance depending on the wind or travel direction rather than rider preference. Each time direction is changed, the stance changes. Snowboarders who ride switch may adopt a "duck stance", where the feet are mounted turned out, or pointed away from the mid line of the body, typically at a roughly 15 degree angle. In this position, the rider will have the leading foot facing forward in either regular or switch stance.

When a rider rolls backwards, this is called "riding fakie". A "fakie" trick is performed while riding backwards but taking off on the front foot. Although it is the same foot that jumps in one's traditional stance, it is normally the back foot. A rider can also land in the fakie position. While there are some parallels between switch stance and fakie, riding switch implies opening the shoulders more to face the direction headed, though not as much as in traditional stance, while fakie stance implies a slightly more backwards facing, closed shoulder posture. " Nollie (nose ollie) is when the front foot takes off when one is riding in their normal stance, the same foot that jumps when doing tricks switch. In nollie position, the body and shoulders are facing forward as much as when riding in normal stance. Generally fakie and normal are done off the tail, whereas nollie and switch are done off the nose. In skateboarding, most tricks that are performed riding backwards — with respect to the rider's preferred stance — are exclusively categorized as "switch" (in a switch stance) or as fakie, with the general rule that tricks off the tail are almost always described as fakie, and those off the nose are nollie. For example, a jump using the tail rolling backwards is a "fakie ollie" (not a "switch nollie"), and a jump off the nose is a "nollie" (not a "fakie nollie").

Mongo foot refers to the use of the rider's front foot for pushing. Normally, a skateboarder will feel more comfortable using their back foot to push, while their front foot remains on the board. In the minority case of mongo footed skateboarders, the opposite is true. Some skateboarders who do not push mongo in their regular stance may still push mongo when riding in switch stance, rather than push with their weaker back foot. Some well known skaters who change between mongo and normal when pushing switch include Jacob Vance, Stevie Williams, and Eric Koston. Although its origins remain uncertain, it is widely believed that the term derives from the pejorative use of "mongoloid".