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Line and length in cricket refers to the direction and point of bouncing on the pitch of a delivery. The two concepts are frequently discussed together. ==Line== The line of a delivery is the direction of its trajectory measured in the horizontal plane. More simply, it is a measure of how far to the left or right the ball is travelling, compared to a line drawn straight down the pitch. It is usually referred to in terms of the directions off (away in front of the batsman) and leg (in towards or behind the batsman), rather than left and right, however. Line controls how much room the batsman has to play various shots, and sometimes dictates what shot he must play. A line directed at the wicket, for example, must be defended with the bat, as failing to hit the ball will result in the batsman being out bowled, whilst a batsman blocking the ball with the body is likely to be out leg before wicket. Despite this most direct method of getting the batsman out, bowlers often concentrate their line outside off stump, where the batsman does not necessarily have to hit the ball to avoid being out. A line just outside off stump is sometimes referred to as the corridor of uncertainty, as the batsman may be in two minds whether or not he needs to hit the ball to prevent it hitting his wicket. In this state, the batsman has little choice but to attempt to hit the ball, as not doing so could be disastrous. By thus forcing the batsman to play at the ball with some element of uncertainty, the bowler's goal is to induce a poorly executed shot that may offer a catch to a fielder, or ricochet the ball into the wicket. Line can also be used strategically to restrict run scoring. One method is to stack the fielders predominantly on either the leg or off side of the field, and then bowl consistently with a matching line, to make it difficult for the batsman to hit the ball to the opposite side of the field. A deliberate policy of aiming the line of the ball at the batsman's body was employed by England during their 1932-1933 tour of Australia. This dangerous tactic has since been outlawed. See Bodyline for full details. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「line and length」の詳細全文を読む スポンサード リンク
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