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Sensorimotor Processing in Elite and Sub-Elite Adolescent Sprinters during Sprint Starts: An Electrophysiological
Yueh-Ling Hsieh1, Shiuk-Wen Yen1, Chia-Ming Chang1
1Department of Physical Therapy, Graduate Institute of Rehabilitation Science, China Medical University, Taichung 40402, Taiwan.
Elite adolescent sprinters show distinct central auditory processing and sensorimotor transmission compared to sub-elite athletes. These neurophysiological differences, particularly in brain activity during auditory cues, can inform training and talent identification for improved sprint performance.
Area of Science:
- Sports Science
- Neuroscience
- Human Performance
Background:
- Sprint performance research often overlooks central sensorimotor processes in adolescents.
- Understanding central auditory system and audiomotor transmission is crucial for adolescent sprinters.
Purpose of the Study:
- To investigate differences in central auditory and audiomotor transmissions between elite and sub-elite adolescent sprinters.
- To determine if these differences impact 100m sprint performance.
Main Methods:
- Assessed 29 adolescent sprinters (elite vs. sub-elite).
- Recorded visual and auditory evoked potentials (VEP, AEP), electroencephalography (EEG), and electromyography (EMG) during sprint starts.
- Analyzed electrophysiological responses to auditory cues ('ready', 'set', 'gunshot').
Main Results:
- Significant differences in central auditory transmission were found between elite and sub-elite groups, and between sexes.
- Elite male and female athletes exhibited distinct time-dependent EEG activity patterns following auditory cues.
- Electrophysiological findings correlate with sprint start performance.
Conclusions:
- Central auditory processing and sensorimotor transmission integrity differ between elite and sub-elite adolescent sprinters.
- Neurophysiological assessments can aid in talent identification and personalized training strategies.
- Sensorimotor neuroplastic training may enhance young sprinters' performance.
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