# Acceleration In The First Three Phases Of Linear Kinematics

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Linear Kinematics. Fielding a backhand requires acceleration and deceleration. The fielder must accelerate towards the ball and decelerate when approaching the ball to field it. Acceleration occurs in the first three phases of the backhand and deceleration occurs in the critical phase, drive phase, when the fielder picks up the ball with their glove. Acceleration helps the athlete gain distance between the fielding positon and the ball. This allows the fielder to get their glove in front of the ball and field the ball quickly. Rotary or Angular Kinematics. A significant amount of force is placed on the right, non-glove side, knee during the drive step. This is classified as torque on the knee because of the amount of force being placed

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