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The impact of making-weight on cognitive performance in apprentice jockeys
Sarahjane Cullen1, Eimear Dolan, Adrian McGoldrick
1a Applied Sports Performance Research Group, School of Health and Human Performance , Dublin City University , Dublin , Ireland.
Journal of Sports Sciences
|January 14, 2015
Summary
Rapid weight loss in apprentice jockeys did not impair cognitive function in simulated or competitive settings. Further research is needed to understand why making-weight has no adverse effects on jockey cognitive performance.
Area of Science:
- Sports Science
- Human Physiology
- Cognitive Neuroscience
Background:
- Jockeys often use rapid weight-loss methods before races.
- Concerns exist about potential cognitive impairment from these practices.
- Existing evidence on weight-loss effects on jockey cognition is inconclusive.
Purpose of the Study:
- To investigate the impact of making-weight on cognitive function in apprentice jockeys.
- To assess cognitive performance in both simulated and competitive racing environments.
- To determine if typical weight-loss practices affect reaction time, attention, and memory.
Main Methods:
- 12 apprentice jockeys underwent a simulated 4% body mass reduction over 48 hours.
- Cognitive functions (reaction time, attention, memory) were tested before and after weight loss.
- 10 apprentice jockeys were assessed in a competitive environment at normal and reduced body mass.
Main Results:
- Simulated weight loss averaged 4.2%, with no observed changes in cognitive function.
- Competitive environment testing showed no cognitive decline after a 5.7% body mass loss.
- Hydration status and body mass were monitored throughout the trials.
Conclusions:
- Making-weight practices in apprentice jockeys do not appear to negatively affect cognitive function.
- Cognitive performance remained stable despite significant body mass reduction.
- Further investigation into the physiological mechanisms is warranted.
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