Leg spin is a type of spin bowling in the sport of cricket. A leg spinner bowls right-arm with a wrist spin action, causing the ball to spin from right to left in the cricket pitch, at the point of delivery. When the ball bounces, the spin causes the ball to deviate sharply from right to left, that is, away from the leg side of a right-handed batsman. The same bowling action when performed by a left-arm bowler is known as left-arm orthodox spin bowling.

As with all spinners, leg spinners bowl the ball far slower (70–90 km/h or 45-55 mph) than fast bowlers. The fastest leg spinners will sometimes top 100 km/h (60 mph). Leg spinners typically use variations of flight by sometimes looping the ball in the air, allowing any cross-breeze and the aerodynamic effects of the spinning ball to cause the ball to dip and drift before bouncing and spinning (usually called "turning") sharply. While very difficult to bowl accurately, good leg spin is considered one of the most threatening types of bowling to bat against, since the flight and sharp turn make the ball's movement extremely hard to read and the turn away from the batsman (assuming he or she is right-handed) is more dangerous than the turn into the batsman generated by an off spinner.

A leg is a weight bearing and locomotive structure, usually having a columnar shape. During locomotion, legs function as "extensible struts" - the combination of movements at all joints can be modeled as a single, linear element capable of changing length and rotating about an omnidirectional "hip" joint.

As an anatomical animal structure it is used for locomotion. The distal end is often modified to distribute force (such as a foot). Most animals have an even number of legs.

As a component of furniture it is used for the economy of materials needed to provide the support for the useful surface, the table top or chair seat.

Many taxa are characterized by the number of legs:

In tetrapod anatomy, leg is used to refer to the entire limb. In human medicine its precise definition refers only to the segment between the knee and the ankle. This segment is also called the shank, and the front (anterior) of the segment is called the shin or pretibia.

In bipedal tetrapods, the two lower limbs are referred to as the "legs" and the two upper limbs as "arms" or "wings" as the case may be.

Spin or spinning may refer to:

Shane Keith Warne (born 13 September 1969) is a former Australian international cricketer widely regarded as one of the greatest bowlers in the history of the game. In 2000, he was selected by a panel of cricket experts as one of the five Wisden Cricketers of the Century, the only specialist bowler selected in the quintet and the only one still playing at the time. He is also a cricket commentator and a professional poker player.

Warne played his first Test match in 1992, and his 708 wickets was the record for the most wickets taken by any bowler in Test cricket, until it was broken by Sri Lanka's Muttiah Muralitharan on 3 December 2007. He took over 1000 international wickets (in Tests and One-Day Internationals)—he was the second bowler to reach this milestone after Muttiah Muralitharan. A useful lower-order batsman, Warne also scored over 3000 Test runs, and he holds the record for most Test runs without a century. His career was plagued by scandals off the field; these included a ban from cricket for testing positive for a prohibited substance, charges of bringing the game into disrepute by accepting money from bookmakers, and sexual indiscretions.

Jacques Henry Kallis (born 16 October 1975) is a South African cricketer. As an all-rounder he is a formidable right-handed batsman and fast-medium swingbowler. He is one of the greatest all-rounders of all time, being the only cricketer in the history of the game to hold more than 12,000 runs and 250 wickets in both one day and Test match cricket. He has played in 150 Tests, boasting a batting average of over 55. From October–December 2007 he produced a streak of five centuries in four Test Matches; with his century in the second innings of the third test against India in January 2011, his 40th in all, he moved past Ricky Ponting to become the second highest scorer of Test centuries, behind only Sachin Tendulkar who currently has 51 centuries. He was named Leading Cricketer in the World in the 2008 Wisden for his performances in 2007 in addition to being the "ICC Test Player of the Year" and ICC Player of the Year in 2005. He has been described by Kevin Pietersen and Daryll Cullinan as the greatest cricketer to play the game, and along with Walter Hammond and Sir Garry Sobers is one of the few Test all-rounders whose Test batting average is over 50 and exceeds his Test bowling average by 20 or more.