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Movement Retraining using Real-time Feedback of Performance
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Jump performance and augmented feedback: immediate benefits and long-term training effects.

Martin Keller1, Benedikt Lauber2, Dominic Gehring2

  • 1Movement and Sport Science, Department of Medicine, University of Fribourg, Switzerland.

Human Movement Science
|May 31, 2014
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Summary

Augmented feedback (aF) significantly improves jump height during drop jumps, both immediately and long-term. High-frequency aF enhances training adaptations in stretch-shortening cycle performance.

Keywords:
Augmented feedbackDrop jumpKnowledge of resultStretch-shortening cycleTraining

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Area of Science:

  • Biomechanics
  • Motor Learning
  • Sports Science

Background:

  • Drop jumps and stretch-shortening cycle (SSC) adaptations are well-researched.
  • The impact of augmented feedback (aF) on SSC performance remains largely unexamined.
  • aF is known to positively influence motor performance and learning.

Purpose of the Study:

  • To investigate the immediate and long-term effects of aF on drop jump performance.
  • To evaluate how different frequencies of aF impact training adaptations.
  • To explore the role of aF in maximizing SSC performance.

Main Methods:

  • 34 participants were divided into three groups receiving 100%, 50%, or 0% augmented feedback (aF) on jump height during drop jump training.
  • Jump height was measured before and after training to assess within-session and long-term effects.
  • Training involved drop jumps with varying relative frequencies of aF.

Main Results:

  • A significant within-session increase in jump height was observed with aF (pre: +4.6%; post: +2.6%).
  • Long-term training resulted in the greatest jump height increase in the 100% aF group (+14%), followed by 50% (+10%) and 0% (+6%).
  • High-frequency aF appears beneficial for maximizing SSC performance, contrary to the guidance hypothesis.

Conclusions:

  • Augmented feedback (aF) is crucial for both immediate enhancement of drop jump performance and improved long-term training efficacy.
  • The frequency of aF influences the magnitude of training adaptations in SSC performance.
  • Objective technical measures are recommended for quantifying jump height in daily training.