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Related Experiment Videos

Coordination Patterns in Ball Bouncing as a Function of Skill.

Michael P. Broderick1, Karl M. Newell

  • 1120 East George Street, Apt. 522, Bensenville, IL 60106, USA. mbrode1@uic.edu

Journal of Motor Behavior
|February 15, 2001
PubMed
Summary

Learning to bounce a basketball involves reducing movement variability and refining coordination. Skill acquisition progresses from proximal and distal joints toward the central body, enhancing motor control.

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Area of Science:

  • Motor control and coordination
  • Developmental psychology
  • Biomechanics

Background:

  • Understanding how motor skills develop is crucial for fields like sports science and rehabilitation.
  • Previous research has explored motor learning but often lacks a developmental perspective.
  • The role of degrees of freedom in motor learning and development requires further investigation.

Purpose of the Study:

  • To investigate how the organization of degrees of freedom changes with skill acquisition in ball bouncing.
  • To examine the developmental trajectory of coordination patterns from childhood to adulthood.
  • To test hypotheses about the relative increase/decrease of degrees of freedom during learning.

Main Methods:

  • Cross-sectional study comparing participants aged 4-22 years across different skill levels.

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  • Video analysis and digitization of arm and basketball movements.
  • Statistical analysis of kinematic data, including variability, phase relations, and coherency.

    • Main Results:

    • Less skilled individuals exhibited more variable movement patterns compared to more skilled individuals.
    • Coordination changes occurred directionally, originating from proximal and distal joints and converging centrally with increased skill.
    • Skill acquisition demonstrated a progressive organization of movement patterns.

    Conclusions:

    • Motor learning involves a systematic reduction in movement variability and an increase in coordination efficiency.
    • The developmental progression of motor control follows a pattern of centralizing joint coordination.
    • Studying changes in system organization is key to understanding motor control and coordination development.