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Premium member Presentation Transcript PowerPoint Presentation: BASICS OF CRICKET BOWLINGPowerPoint Presentation: Fast bowling Seam bowling Swing bowling Medium pace bowling Spin bowling Finger spin Off spin Left-arm orthodox Wrist spin Leg spin Left-arm unorthodox Bowling TechniquesPowerPoint Presentation: Full toss / Beamer Fast bowling Bouncer Indipper Inswinger Leg cutter Off cutter Outswinger Reverse Slower ball Yorker Spin bowling Arm ball Chinaman Doosra Flipper Googly Carrom ball Leg break Off break Slider Topspinner DeliveriesPowerPoint Presentation: Abbreviations Bowling styles are often abbreviated in scorecards Bowling abbreviations Pace bowling RF Right-arm fast RFM Right-arm fast medium RMF Right-arm medium fast RM Right-arm medium LF Left-arm fast LFM Left-arm fast medium LMF Left-arm medium fast LM Left-arm medium Spin bowling OB Off break (right-arm) LB Leg break (right-arm) LBG Leg break googly (right- arm) SLA Slow left-arm orthodox SLC Slow left-arm chinaman Abbreviations Bowling styles are often abbreviated in scorecards (and in player profiles on the as follows :PowerPoint Presentation: Main article: Fast bowling Pace bowlers, or fast bowlers or pacemen , rely on speed to get a batsman out . This type of bowler can be further classified according to the speed at which they bowl the ball on average. For details see Fast bowling . Most pace bowlers are medium-fast to fast in top level cricket. In general, bowlers of this type are described as right arm or left arm "fast", or right arm or left arm "fast-medium", and so on. Though Jeff "Thommo" Thomson of Australia was long regarded as the fastest bowler in the world (with a fastest ball clocked at 99.7 mph and rumored to have broken the 100 mph barrier. The fastest delivery that has ever been officially recorded clocked in at 101.8 mph and was bowled by Mohammed Sami of Pakistan during a match against India. Pace bowlersPowerPoint Presentation: An off cutter is a type of delivery in the game of cricket . It is bowled by fast bowlers . A bowler releases a normal fast delivery with the wrist locked in position and the first two fingers positioned on top of the cricket ball , giving it spin about a horizontal axis perpendicular to the length of the pitch . For an off cutter, a right-handed bowler pulls his fingers down the right side of the ball (from his viewpoint), in an action similar to bowling an off break , only at higher speed. This changes the axis of spin to make it more like an off break, which makes the ball deviate to the right when it bounces on the pitch. From a right-handed batsman 's point of view, this deviation is to the left, or from the off side towards the leg side . This deviation is known as cut , and the delivery is called an off cutter because it moves away from the off side. What differentiates a genuine off cutter from a delivery that simply nips back off the seam is that it is deliberately bowled. Off cutterPowerPoint Presentation: A leg cutter is a type of delivery in the sport of cricket . It is bowled by fast bowlers . A bowler releases a normal fast delivery with the wrist locked in position and the first two fingers positioned on top of the cricket ball , giving it spin about a horizontal axis perpendicular to the length of the pitch . For a leg cutter, a right-handed bowler pulls his fingers down the left side of the ball (from his viewpoint), rolling the ball out of his hand over the little finger, in an action similar to bowling a leg break , only at higher speed. This changes the axis of spin to make it more like a leg break, which makes the ball deviate to the left when it bounces on the pitch. From a right-handed batsman 's point of view, this deviation is to the right, or from the leg side towards the off side . This deviation is known as cut , and the delivery is called a leg cutter because it moves away from the leg side. Leg cutterPowerPoint Presentation: Main article: Swing bowling Swing bowlers are pace bowlers who, apart from being fast, also use the seam of the ball to make it travel in a curved path through the air. This is further encouraged by systematically polishing one side of the ball while allowing the other side to become roughened and worn. The differing airflow around the two sides will cause the ball to swing in the air, towards the roughened side. By changing the orientation of the ball in his hand, a bowler may therefore cause the ball to swing into or away from the batsman. In addition to a well-polished ball, other factors help the ball to swing, notably damp or humid weather conditions. However balls which have been in play for some time do not tend to swing so much due to the deterioration of the seam. In addition, bowlers of express pace do not tend to get as much swing as the fast-medium-to-medium pace bowlers. Though younger pace bowlers tend to rely exclusively on speed, as bowlers age they tend to develop this more sophisticated art of swing bowling. Swing bowlers are more effective than sheer pace bowlers as the swing can confuse a batsman. Wasim Akram and Waqar Younis of Pakistan were masters of this skill, and were capable of causing an older, misshapen ball to swing the opposite way from normal, i.e. toward the shiny side. This is known as reverse swing and has become an increasingly important skill in the last 10 to 15 years. Swing bowlersPowerPoint Presentation: The cricket ball often moves in the air towards or away from a batsman when a pace bowler is bowling . It is this deviation most fast bowlers strive for because of the problems it causes to the batsmen . Swing is all about aerodynamics. Batsmen are used to facing orthodox swing, which happens when the ball is still relatively hard and new in the first 10 to 15 overs. However, over the past 20 years fast bowlers have developed a new method of making the ball move in the air with the older ball called ' reverse swing '. But to obtain any sort of movement, there are a number of factors to consider. Conventional swingPowerPoint Presentation: Fielders are often seen continually shining one side of a ball by rubbing it on their trousers. The rubbing helps to maintain a smooth, shiny side while the opposite is left to deteriorate through normal wear and tear. In simple terms, the aerodynamics of bowling means the air travels faster around the shiny side lowering the air pressure on the shiny side by the Bernoulli Principle causing the ball to deviate in that direction. Other factors also play a part. The ballPowerPoint Presentation: Tip for pace and rhythm 'If you are struggling to find a regular rhythm, try this exercise: to into an empty field with no obstacles nearby and from a marked point, do a full run-up with your eyes closed. Imagine you are an old steam engine looking to build momentum. Walk two or three paces, start to jog and gradually build up to about three quarter speed, thinking of the sound and action of a steam train as you are running. I have used this method many many times, and it still works wonders in bringing out smoothness.' (1955) 'Before you bowl your first ball, you must be mentally as well as physically set up. Making batsmen play is all important. If you bowl it at or just outside off stump, there is a genuine chance that he'll nick it, given that he's so keen to feel bat on ball.' Pace Bowling - The Outswinger with Dennis LilleePowerPoint Presentation: The out swinger delivered at pace is one of the most powerful deliveries. It swerves in the air from middle to off, begging for catches for the wicketkeeper or the slips. Hold the ball well out of the palm with the seam running vertically. At the point of delivery, the seam points towards first slip. The wrist is cocked and whipped through, with a powerful follow-up. The arm finishes well outside the body in the direction of mid-off.PowerPoint Presentation: Once the ball becomes older and more worn, it will begin to move in the opposite direction to where it would usually swing with no great change in the bowling grip. For example, an outswinger 's grip will move away from the batsman in the air while an inswinger will move towards the bat. All this tends to happen very late on in the delivery, making it difficult for the batsman to pp the changes in the air. Not every single bowler can obtain reverse swing - the ball needs to be propelled above 80 mph or thereabouts to make it move in the air. Reverse swingPowerPoint Presentation: There have been plenty of theories about why, but here's an explanation from former England bowling coach Troy Cooley : " Reverse swing is all to do with the deterioration of the ball and the seam position in flight. As the ball becomes rougher, it will take on a different characteristic as it deteriorates. So if you present the ball as an outswinger, the ball has deteriorated so much on the rough side that it takes on the characteristics of the shiny side. Which means a natural outswinger will become an inswinger and conversely, an inswinger into an outswinger." The defining point of swing is the separation point of the initial layer of air with the ball, whichever side has greater air coverage will have more lift and lower pressure, lifting and sucking the ball towards it. For greater detail on what causes separation-point differences see swing bowling . How does it work( Reverse Swing)?PowerPoint Presentation: Since reverse swing favors the older ball, it will usually start to move around the 40-over mark. However, England 's bowlers during the 2005 Ashes were able to make the ball reverse after just 15 to 20 overs. Brett Lee found his reverse swing in Adelaide on the 30-over mark. Also during the 2009 T20 World Cup Pakistani fast bowler Umar Gul managed to get reverse swing after just 11 overs.But how can bowlers manage to do this so early in the innings? The most important factor to consider is the pitch. The sub-continent pitches are rougher and dustier than pitches elsewhere in the world. Hence, sub-continent bowlers obtain reverse-swing after 5-over mark also. In Australia and New Zealand, pitches offer no or very little help and it all depends upon how the ball is variously played. South Africa presents the same picture, where the reverse-swing is seen little or none at all. England, however has seen some change in pitch conditions in the last decade and bowlers use that to reverse their deliveries earlier.Like footballs, each manufacturer's cricket balls are different. Some have more pronounced seams while others deteriorate slower, both of which have an influence on how the ball will move in the air. When does the ball start to reverse?PowerPoint Presentation: Pace bowlers frequently dismiss batsmen through variation and deception. A batter who has been "softened up" by a series of bouncers , which pitch nearer the bowler than normal and reach the batsman around head height, or even hit the batsman, may tend to play the next ball on the back foot, and thus be susceptible to a full length yorker delivery that bounces at his toes. Many bowlers also develop a " slower ball ;" these are bowled with the same arm action as their normal delivery, but come slower from the hand, usually due the bowler gripping the ball differently or cocking his wrist at the last moment. With luck, the batsman will misread the pace, and will have finished his shot before the ball arrives. Other common variations include the leg cutter and off cutter , medium pace deliveries bowled with a spinner's wrist action, which can sometimes "turn" just like deliveries from a spinner. Other tacticsPowerPoint Presentation: Main article: Spin bowling Spin bowlers or spinners impart rotation to the ball to get a batsman out. The spin on the ball makes its movement hard to predict, particularly when it bounces, hence spin bowlers try to deceive batsmen into making a mistake. Speed is not crucial in spin bowling, and spinners tend to bowl in the slow-medium to medium-slow range, around 45-55 mph. There are two broad categories of spin bowling: wrist spin and finger spin. Spin bowlersPowerPoint Presentation: Main article: Wrist spin Wrist spinners are bowlers who use their wrists to spin the ball. A right-handed wrist spinner is known as a leg spinner and his or her mode of bowling is known as leg break . A leg break will move from right to left from the bowler's point of view, or from the leg-side to the off-side for a right-handed batsman. Shane Warne of Australia, one of the most successful bowlers in Test cricket history, and Anil Kumble of India are two of the contemporary bowlers of this type. Left-handed wrist spinners, who are much rarer than right-handed wrist-spinners, are called chinaman bowlers, after an early left-arm finger spinner of Chinese descent, Ellis Achong, who sometimes bowled wrist spinners as a variation while playing for the West Indies . A ball delivered in this way will spin from the off-side to the leg-side for a right-handed batsman. Paul Adams of South Africa is the best-known current chinaman bowler, though he no longer features in his country's national side. Australian one-day all-rounder Brad Hogg is another current exponent of left-arm wrist-spin, as is his teammate, batsman Simon Katich . Wrist spinPowerPoint Presentation: Main article: Finger spin Finger spinners make use of their fingers to rotate the ball. A right-arm finger spinner is known as an off-spinner and their mode of bowling is known as off break . The ball will appear to move just as the chinaman does, from off to leg for a right-handed batsman. Muttiah Muralitharan of Sri Lanka, one of the most successful bowlers in Test and ODI cricket history, is an off-spinner, although his bowling style is unusual. Indian Harbhajan Singh also employs this bowling style. Almost all left-handed bowlers are finger spinners. As a result this style has no fixed name and the bowling mode is simply known as (slow) left-arm orthodox . The ball turns like a leg break, from leg to off. Monty Panesar of England and New Zealand's Daniel Vettori employ this bowling style. Finger spinPowerPoint Presentation: Depending on technique, a spin bowler uses either predominant wrist or finger motion to impart spin to the ball around a horizontal axis that is at an oblique angle to the length of the pitch. This sort of spin means it is also possible for the Magnus effect to cause the ball to deviate sideways through the air, before it bounces. Such deviation is called drift . The combination of drift and spin can make the ball's trajectory complex, with a change of direction at the bounce. This variety of trajectories achievable by a spin bowler can bewilder inexperienced or poor batsmen. Spin bowlers are generally given the task of bowling with an old, worn cricket ball. A new cricket ball better suits the techniques of fast bowling than spin bowling, while a worn one grips the pitch better and achieves greater spin. Spin bowlers are also more effective later in a game, as the pitch dries up and begins to crack and crumble. This again provides more purchase for the spinning ball and produces greater deviation. Spin bowling is divided into four different categories, depending on the particular physical technique used. There is virtually no overlap between the two basic biomechanical techniques of wrist spin and finger spin . Off spin - Right-handed with finger spin technique. (eg. Jim Laker ) Leg spin - Right-handed with wrist spin technique. (eg. Shane Warne ) Left-arm orthodox spin - Left-handed with finger spin technique. (eg. Daniel Vettori ) Left-arm unorthodox spin - Left-handed with wrist spin technique. (eg. Brad Hogg )PowerPoint Presentation: THE OFF SPIN Off spin - Right-handed with finger spin technique. (eg. Jim Laker ) Off spin is a type of bowling in the sport of cricket which is bowled by an off spinner, a right-handed spin bowler who uses his or her fingers and/or wrist to spin the ball from a right-handed batsman 's off side to the leg side (that is, towards the right-handed batsman, or away from a left-handed batsman). This contrasts with leg spin , in which the ball spins from leg to off and which is bowled with a very different action.PowerPoint Presentation: A doosra ( Urdu : دوسرا , Hindi दूसरा ) is a particular type of delivery by an off-spin bowler in the sport of cricket , popularised by Pakistani cricketer Saqlain Mushtaq .  The term means "(the) second (one)", or "(the) other (one)" in Urdu (and Hindi ).  Saqlain Mushtaq also invented a variant of the Doosra, a ball which he calls the Teesra, coming from the same language and meaning "(the) third (one)". Other bowlers have made considerable use of the doosra in international cricket, including Sri Lankans Muttiah Muralitharan and Ajantha Mendis , South African Johan Botha , Indian Harbhajan Singh and the Pakistanis Shoaib Malik and Saeed Ajmal . DoosraPowerPoint Presentation: The carrom ball is a style of spin bowling delivery used in cricket . The ball is released by flicking it between the thumb and a bent middle finger in order to impart spin. Though the delivery is known to date from at least the 1940s, it was re-introduced into mainstream international cricket in the late 2000s by Ajantha Mendis . Carrom ballPowerPoint Presentation: CRICKET BOWLING : From the beginning of cricket, bowling has since being the most skillful and difficult of cricket skills to acquire. It is a technique by which a person (bowler) runs up to the wickets and throws the ball to the batsman, with a full arm, trying to hit the wicket to get the batsman out. There are many types of bowlers, from fast to slow, spin to swing. Spinners are slow bowlers who manage to get the ball to hinge direction when hitting the ground. Swingers are those bowlers who manage to get the ball to move away or towards a batsman. Good bowlers can be terribly confusing because of the way they have perfected their bowling. Wrist Spin BowlingPowerPoint Presentation: In cricket , a googly is a type of delivery bowled by a right-arm leg spin bowler . It is occasionally referred to as a Bosie (or Bosey) after its inventor Bernard Bosanquet in Australia it is commonly referred to as a wrong'un (and in Pakistan as the wrong one, which led to the naming of the doosra , meaning "the other one" in Urdu Googly While a normal leg break spins from the leg to the off side , away from a right-handed batsman , a googly spins the other way, from off to leg, into a right-handed batsman (and is distinct from an off break delivery). The bowler achieves this change of spin by bending the wrist sharply from the normal leg break delivery position. When the ball rolls out of the hand (from the side near the little finger , as in a normal leg break), it emerges with clockwise spin (from the bowler's point of view). A googly may also be achieved by bowling the ball as a conventional leg break , but spinning the ball further with the fingers just before it is released.PowerPoint Presentation: It is a type of bowling in the sport of cricket . Left-arm orthodox spin is bowled by a left arm bowler using the fingers to spin the ball from right to left of the cricket pitch (from the bowler's perspective). Left arm orthodox spin bowlers generally attempt to drift the ball in the air into a right handed batsman, and spin away from the batsman (toward off-stump) upon landing on the pitch. The drift and turn in the air are attacking techniques. The major variations of a left arm spinner are the topspinner (which turns less and bounces higher or lower in the cricket pitch), the arm ball (which does not turn at all, drifts into a right handed batsman in the direction of the bowler's arm movement; also called a 'floater') and the left-arm spinner's version of a doosra (which turns the other way). The left-arm unorthodox spin like a leg break or leg spin is also a bowling action. Left-arm orthodox spin :PowerPoint Presentation: It is a type of bowling in the sport of cricket using the hand wrist.Left-arm unorthodox spin bowlers uses a wrist hand action to spin the ball which turns from off to leg side of the cricket pitch. The direction of turn is the same as that of a traditional right handed off spin bowler, however, the ball will usually turn more sharply due to the spin being imparted predominantly by the wrist. Some Left arm unorthodox bowlers bowl a leg spinner's " googly " (or "wrong'un"), which turns from right to left on the cricket pitch. The ball turns away from the batsman, as if the bowler were an orthodox left-arm spinner . The left-arm unorthodox bowling action is bowled in common with a leg spin or leg break . Very few highly skilled left arm wrist spinners have played at the international Test level. The South African , Paul Adams was known for his unusual bowling action, is perhaps one of the best known left arm wrist spinners. Another notable wrist spinner includes Michael Bevan from Australia , who was known for his speed and bounce. Other types of spiners include Brad Hogg , Garfield Sobers and Dave Mohammed of the West Indies . Left-arm unorthodox spinPowerPoint Presentation: The grip is two fingers up and two down, with the split between the second and third fingers, which are spread across the seam. The thumb rests on the ball and does not do anything. Shane says his grip is a little unusual because his first two fingers are closer than most leg-spinners. The delivery - The spin on the ball is roughly 30 degrees so that the ball both spins sideways and dips with the over spin. Closest variation is the top-spinner, where the seam points to the wicketkeeper and the ball over-spins straight down the pitch. The Leg Spinner A leg spin (right or left arm wrist spin) delivery.PowerPoint Presentation: The grip - The fingers are brought further forward on the ball and the thumb plays a part. Shane says his grip is not too tight as this can stop the ball fizzing out of his hand. The delivery - The trick is to not bowl it too fast. When he stays relaxed and squeezes the ball out through fingers and thumb (an instant after the centre picture), the under spin makes the ball slice through the air more quickly. The FlipperPowerPoint Presentation: The grip - Same as the leg-spinner. The delivery - The front shoulder has to drop a little to allow the wrist to come right over the top and the ball to come out with the opposite spin on it - off-spin rather than leg-spin. At the last moment you have to flick the ball out of the off-spin way with your fingers. The Wrong Un( Googly)PowerPoint Presentation: The grip - The ball is held much further back in the palm of the hand, which holds the ball back as you let it go. The delivery - The ball is pushed out the front of the hand, from the palm, and either floats or skids through the air, maybe swinging in a little. The seam is straight up and down and the zooter does not spin. An arm ball is a type of delivery in cricket . It is a variation delivery bowled by an off spin bowler or slow left-arm orthodox bowler. It is the finger spin equivalent of a wrist spinner 's slider or zooter . The Zooter( Arm Ball)PowerPoint Presentation: IN-SWING OUT-SWING LEG - BREAK The Grip: The grip will vary according to the type of bowler, but the broad principle is that the ball should be held in the fingers and not in the hand. There is no hard and fast rule about bowling grips and it is up to the bowler to find out what suits him best, but most swing bowlers will point the seam of the ball in the direction that they want it to swing to. CRICKET: BALL GRIPSPowerPoint Presentation: CRICKET: DIFFERENT BALL LENGTHSPowerPoint Presentation: This ball doesn't allow the batsman to play either forward or back with any certainty GOOD LENGTH DELIVERYPowerPoint Presentation: LONG-HOP Gives the batsman ample time to see any break which spin may impart to the ball and control his shot.PowerPoint Presentation: FULL-TOSS DELIVERY The ball lands on the bat without first touching the ground.PowerPoint Presentation: HALF-VOLLEY DELIVERY Pitched in such a position that it will strike the bat immediately after it begins to bounce.PowerPoint Presentation: YORKER DELIVERY The term applied to a ball which pitches on the ground exactly at the bottom of the batPowerPoint Presentation: IMPORTANT TIPS TO REMEMBER...PowerPoint Presentation: 1. Efficiency: Your body is as efficient as you make it. If you are stressed out by work/school and sit on the sofa in the evenings eating crisps you end up tired, overweight and hunched over. If you train regularly, activate your cricket playing muscles and feel relaxed about things you become an efficient athlete. 2. Time: There is never enough time unless we make some. Practice and train more than you play because it has a direct pay off on the pitch. Even hopelessly busy lives can find time for a couple of bodyweight training sessions a week or turning up an hour earlier on match day to get warmed up. 3. Capacity: Cricket is not an endurance sport. It's a power based game that lasts a long time. The difference is between endurance and work capacity. With the latter you are able to recover between spells and overs more quickly rather than just being able to jog miles. You train cricket specific work capacity with interval running. 4. Balance: Commentators often talk about bowlers having a balanced approach and action. Being able to balance in a dynamic situation (running, throwing, catching, batting) transfers directly to bowling performance. The better your dynamic balance the better your technique and that means faster and more accurate bowling. Bowling is the best way to gain balance, but you should also include plenty of single leg training, bodyweight training and balance drills in your workouts and training sessions.PowerPoint Presentation: 5. Specificity: Everyone agrees that training for cricket means playing cricket. Where there is controversy is how specific the rest of your training should be. Running, for example, has more crossover to cricket than swimming. The rule of thumb is this: you are specific enough if your training is in 3D, standing up and based on speed, power and strength. 6. Planning: There are a lot of factors that go into improving your bowling: speed, strength, power, technique, experience and the rest. That's why it's important to have a plan that you stick to throughout the year so you are doing the right training at the right time. Know your season, know your own strengths and plan around them. You also need to have regular checks to ensure your plan is moving you towards your aims. 7. Progression: Whatever you are working on you need to progress. That may mean more weight, faster sprint times or longer interval workout but you should always look to improve your fitness until you are the best you can be. The result of your work will be less injuries and a better performance.PowerPoint Presentation: HOPE YOU WILL ENJOY PREPARED BY; PM BCCI level1 umpire(State and junior National L evel ) You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.