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Published byJulia Glenn Modified over 9 years ago
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OVERARM THROW PATTERN 1. Step forward 2. Pelvis/trunk forward 3. Pelvis rotates 4. Trunk rotates 5. Shld. protraction 6. Shld. Trans. Adduct 7. Shld. Medial rotate 8. Elbow extension 9. Forearm pronation 10. Wrist/Hand flexion
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Step Forward with contra-lateral leg
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Pelvis and Hip Rotation toward target
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Trunk Rotation toward target
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Transfer L to arm by reducing/stopping L in shoulders
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Shoulder Protraction and Transverse Adduction
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Shoulder Medial Rotation
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Elbow Extension and Forearm Pronation
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Motion Analysis 1. Segments involved 2. Movements involved 3. Sequence of movements 4. Muscles causing movements
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General Principles Smaller/lighter projectiles allow a greater number of segments to contribute to the performance Smaller/lighter projectiles allow for a larger k Smaller/lighter projectiles allow the smaller segments to give greatest contribution [e.g. Shld. medial rotation + Forearm pronation] Larger/heavier projectiles get greatest contribution from larger segments
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Performance Errors: Kinetic Link 1. Segmental Positioning 2. Sequence of Movements/Timing 3. Lack of Power/Strength
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