bio mechanics of pushing
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Biomechanics
of Pushlike Pattern
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Pushlike Mechanical Objectives
Force activities Power activities
Accuracy activities
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Force Activities
To manipulate a resistance Creating the highest possible velocity of object
Associated with force production throughoutROM without regard to velocity of moving
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Power Activities
To generate maximum power Similar to force activities
Produce great force to accelerate resistance ina limited amount of time Peak power occurs after peak force in time
Peak velocity of body occurs after peak powerrecord
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Power Activities
There are 4 categories of activities : Jumping activities Takeoffs for aerial events Starts in events that moving body over a
prescribed distance as fast as possible Continuous events with intermittent application of
force
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Accuracy Activities
To maximize the accuracy of projection The Throw-Push Continum
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The Throw-Push Continum
Require blending of throw-push pattern into acombination
Skill performs with sequential rotations onone end and performs with simultaneousrotations on the opposite end
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The Throw-Push Continum
Constraints that influence the location of skillon the continum
Massiveness of object to be projected Size of object to be projected Shape of object Strength of performer Skill of performer
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Simultaneous Segmental Rotation
Pushlike pattern moves the point of contact inrectilinear path
To control hand to move in straight line High-accuracy skill Govern performance of accuracy events
Require precision in the direction of projection Guide object in an accurate path
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Pushlike Characteristics
Segments are positioned behind object to beprojected
Segmental rotations occur silmultaneously otproduce high accuracy or force or both
Object kept close to rectilinear path beforecontact or release
Leverlike movements