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Sitting on a fastball.

R Cañal-Bruland1, M A Filius, R R D Oudejans

  • 1a MOVE Research Institute Amsterdam, Faculty of Human Movement Sciences, VU University Amsterdam , the Netherlands.

Journal of Motor Behavior
|November 27, 2014
PubMed
Summary
This summary is machine-generated.

Baseball batters miss change-up pitches because they initiate movements too early, anticipating a faster fastball. This study confirms the "sitting on a fastball" strategy negatively impacts performance against slower pitches.

Keywords:
baseballbiaskinematicsmovement

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Area of Science:

  • Sports Science
  • Biomechanics
  • Human Motor Control

Background:

  • Baseball batters often struggle with change-up pitches.
  • A common but unproven strategy is
  • sitting on a fastball,
  • anticipating high-velocity pitches.

Purpose of the Study:

  • To investigate the biomechanical basis of why batters miss change-up pitches.
  • To provide the first experimental evidence for the
  • sitting on a fastball
  • strategy in baseball.

Main Methods:

  • Analysis of movement patterns in highly talented baseball batters.
  • Comparison of kinematic data during at-bats involving randomly presented fastballs and change-ups.

Main Results:

  • Batters failing to hit change-ups exhibited movement initiation patterns similar to those used for fastballs.
  • Movement initiation was not adjusted for the slower velocity of change-ups, leading to misses.

Conclusions:

  • The study provides the first behavioral evidence that the
  • sitting on a fastball
  • strategy exists.
  • This strategy leads to premature movement initiation, impairing performance against change-up pitches.