the effect on rein tension of different training methods ... · concord leader (ccl) ccl hard...
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The effect on rein tension of different training
methods for gymnastic neck flexion in base-level
trained sportshorses at the walk
Iris Veen
Department of Equine Sciences, Faculty of Veterinary Medicine,
Utrecht University
Introduction
“The object of dressage is the
development of the horse into a happy
athlete through harmonious education”
Aims of the study
• What makes a “happy athlete”?
• Objectively quantify rein tension
• Evaluate 2 training methods for obtaining
a desired head-and-neck position
Material & Methods
Draw Reins
• Surcingle Bit Surcingle
• Static method
Material & Methods
• Concord Leader
• 3 pressure points
– Withers
– Head
– Bit
• Pulley
• Dynamic method
Material & Methods
Utrecht University rein tension device
• Development and validation
• Reproducibility
• 10 Hz
• Newton
Material & Methods
• 11 Horses
• 6 straight lines of 25 meter
• <14,5 s and >15,5 s discarded
• Bridle and bit
• Concord Leader and Draw reins
• Hard and soft surface
Hard surface Soft surface
Concord Leader (CCL) CCL Hard surface CCL soft surface
Draw Reins (DR) DR Hard surface DR soft surface
Material & Methods
Head-and-neck position (HNP)
Results
0
5
10
15
20
25
New
ton
Rein tension
Left
Right
Results
CCL
DR
Results
• Statistical analysis and paired t-test
• Significant (p<0.05) lower mean rein
tension with CCL compared to DR.
• Significant (p<0.05) lower maximal rein
tension with CCL compared to DR.
• Percentages of 0 simulating “lightness”
Results
• No difference in percentage 0 ratio = 0
• The bigger the ratio the more difference in
percentage 0
• One-sample t-test
• Significant (p<0.05) higher percentage of 0
with CCL compared to DR
Conclusion
• CCL achieves a similar HNP with a lower
mean and maximal rein tension
• Greater part of lightness
• Objective data on rein tension and HNP
• UU Rein tension device is a valuable tool
in rein tension research
Veterinary relevance
• Not necessary to use a lot of rein tension
to obtain a desired HNP
• CCL useful in the rehabilitation of horses
• Rein tension awareness!
Thanks to
• Prof. Dr. Wim Back Department of Equine sciences, Faculty of Veterinary medicine, Utrecht University
• Dr. Dante Killian Manager Engineering at Scientific Instrumentation, Faculty of Science, Utrecht University
• Mieke Verdonk Professional horsetrainer and owner Verdonk Innovations
• Volunteers & Horses
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