Abstract
Purpose
The elite athlete is fine-tuned all around to deliver favorable results in sporting events. In this study, we address the question of whether basic movements—such as reflexes—and heterogeneous attentional modulation components—such as sensorimotor gating mechanisms—are also tuned up to maximize the results of middle-distance runners in physical conditioning tests.
Methods
We selected an array of professional middle-distance runners and healthy counterparts that were submitted to measurement of (1) physical conditioning parameters, including somatotype, jump, strength, and flexibility tests; and (2) sensorimotor gating mechanisms, including acoustic startle reflex, prepulse inhibition, and habituation.
Results
Our results showed athletes scored better on the athletic tests compared to controls, as expected. They also exhibited a lower startle amplitude, while maintaining higher prepulse inhibition values. They reacted faster to the acoustic stimuli, and sex-related differences—found in controls—were not present in athletes. Our data also pointed out to substantial correlations between sensorimotor gating and physical conditioning parameters.
Conclusions
All in all, these data may point to physical conditioning-driven neural plasticity of brain sensorimotor gating circuits in charge of triggering involuntary movements to harness control and efficiency over reflexed muscle activity.
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Abbreviations
- ASR:
-
Acoustic startle reflex
- BMI:
-
Body mass index
- CMJ:
-
Counter-movement jump
- DJ:
-
Drop jump
- EMG:
-
Electromyography
- PPI:
-
Prepulse inhibition
- SJ:
-
Squat jump
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Acknowledgements
We would like to express gratitude to Laboratory 2 of the INCYL, especially Ana Alves and Peter Johannesen for helping with the calibration of the startle sound source; Juan Carro for assistance with bio-statistics; and Kristiina M. Hormigo for language editing services.
Funding
This study was partially funded by the Spanish Ministry of Science and Innovation, MICINN # BFU2010-17754. The funders did not take part in this study whatsoever.
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SH and CM conceived and designed research. SH and AC conducted experiments. CS contributed new reagents or analytical tools. SH, DEL, and CM analyzed data. SH wrote the manuscript. All authors read and approved the manuscript.
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Communicated by Toshio Moritani.
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Hormigo, S., Cardoso, A., Sancho, C. et al. Associations between sensorimotor gating mechanisms and athletic performance in a variety of physical conditioning tests. Eur J Appl Physiol 119, 921–932 (2019). https://doi.org/10.1007/s00421-019-04081-1
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DOI: https://doi.org/10.1007/s00421-019-04081-1