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Relationship between accuracy and complexity when learning underarm precision throwing.

Maria Stella Valle1, Luciano Lombardo1, Matteo Cioni1,2,3

  • 1a Neuro-Biomechanics Laboratory, Department of Biomedical and Biotechnological Sciences , University of Catania , Catania , Italy.

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|June 13, 2018
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Summary
This summary is machine-generated.

Motor learning involves adaptive strategies in ball throwing, even after initial accuracy improvements stabilize. Release parameters like speed and height are key to refining throwing accuracy over time.

Keywords:
Motor controlperformanceskill

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Area of Science:

  • Motor Learning
  • Biomechanics
  • Human Movement Science

Background:

  • Previous research on precision ball throwing focused on early accuracy gains.
  • Adaptive processes influencing throwing accuracy after initial learning phases received less attention.

Purpose of the Study:

  • To investigate adaptive strategies in ball release parameters (angle, speed, height) during later stages of learning.
  • To determine if motor control strategies evolve after performance stabilization.

Main Methods:

  • Participants performed underarm tennis ball throws towards a target.
  • A multivariate linear model analyzed the relationship between release parameters and accuracy changes.
  • Two training sessions and a retention test were conducted.

Main Results:

  • Performance accuracy improved during the first training session and stabilized in the second.
  • The relationship between accuracy and release parameters became stable in the second session, with speed and height explaining significant variance.
  • Both throwing and orthogonal axes contributed to performance changes throughout learning and consolidation.

Conclusions:

  • Accuracy improvements and reduced throwing complexity follow distinct temporal patterns during motor skill acquisition.
  • Motor strategies for precision ball throwing can be refined even after performance appears to stabilize.
  • Release parameter adjustments play a crucial role in long-term motor skill consolidation.