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OVERARM THROW PATTERN

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. Step Forward with contra-lateral leg.

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OVERARM THROW PATTERN

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  1. 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

  2. Step Forwardwithcontra-lateral leg

  3. Pelvis and Hip Rotationtoward target

  4. Trunk Rotationtoward target

  5. Transfer L to arm by reducing/stopping L in shoulders

  6. Shoulder Protraction and Transverse Adduction

  7. Shoulder Medial Rotation

  8. Elbow ExtensionandForearm Pronation

  9. Motion Analysis 1. Segments involved 2. Movements involved 3. Sequence of movements 4. Muscles causing movements

  10. 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

  11. Performance Errors: Kinetic Link 1. Segmental Positioning 2. Sequence of Movements/Timing 3. Lack of Power/Strength

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