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Motion
Motion is the movement of the body from one position to another
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Motion itself can be divided into 3 categories:
Linear
Angular
General
Linear Motion
Linear motion takes place when a body and all parts connected to it travel the same distance in
the same direction and at the same speed
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If the line remains in the same position
when the body moves from one position to another the motion is linear
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We will focus on
linear motion in a range of sporting activities and apply the principle to enhancing performance
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Displacement
Displacement is the movement of a body from one location to another in a particular direction,
or an ‘as the crow flies’ measurement
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An example is a runner in a cross country race
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General Motion
General motion is a mix of linear and angular, which we simply call general motion
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Even those sport skills that require an athlete to hold a ser position involve various amounts of
linear and angular motion
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In maintaining
balance on the beam, the gymnast still moves, however slightly
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Perhaps the most visible
combination of angular and linear motion occurs in a wheelchair race
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The motion of the wheels carries both
the athlete and the chair along the track
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At the same time the wheels and the athlete’s arms exhibit angular
motion
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Angular movement
plays the dominant role because most of an athlete’s movements result from the swinging,
turning action of the athlete’s limbs as they rotate around the joints
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Movements include rotating, spinning,
swinging, circling, turning, rolling, pirouetting, somersaulting and twisting
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