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Related Experiment Videos

Analysis of the equine jumping technique by accelerometry

E Barrey1, P Galloux

  • 1INRA Station de Génétique Quantitative et Appliquée, Groupe cheval, Jouy-en-Josas, France.

Equine Veterinary Journal. Supplement
|May 1, 1997
PubMed
Summary

Horse jumping technique significantly impacts sternum acceleration, with poor jumpers showing distinct patterns. These findings offer insights into equine biomechanics and jumping performance optimization.

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Area of Science:

  • Equine Biomechanics
  • Animal Locomotion
  • Sports Science

Background:

  • Understanding equine jumping technique is crucial for performance and injury prevention.
  • Objective measurement of kinematic parameters during jumping is essential.

Purpose of the Study:

  • To investigate the relationship between jumping technique and dorsoventral acceleration at the sternum in saddle horses.
  • To identify biomechanical differences between good and poor jumpers.
  • To analyze acceleration patterns associated with knocking over obstacles.

Main Methods:

  • Eight saddle horses of varying abilities were studied on an experimental show jumping course.
  • Dorsoventral acceleration was continuously measured using an accelerometric belt on the thorax.

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  • Locomotor parameters were derived from acceleration-time curves, and Morlet's wavelet analysis was used for time-frequency analysis.

    • Main Results:

    • Obstacle type significantly affected hindlimb and landing acceleration peaks.
    • Poor jumpers exhibited higher forelimb acceleration peaks, a higher forelimb/hindlimb acceleration ratio, and lower approach stride frequency.
    • Knocking over obstacles correlated with low hindlimb acceleration and a high forelimb/hindlimb ratio.
    • Wavelet analysis revealed distinct time-frequency patterns for cleared versus knocked-over obstacles.

    Conclusions:

    • Jumping technique and obstacle interaction are reflected in sternal acceleration patterns.
    • Biomechanical markers can differentiate between jumping abilities and predict errors.
    • Wavelet analysis provides a novel method for assessing dynamic changes in jumping horses.