Abstract
It was the objective of this research to study the functional parameters of endurance and performance and the brain electrobiological activity during local antebrachial muscle work performance among skilled athletes and unfit people aged 18-23. We examined performance and the brain bioelectrical activity changes at local muscle work by means of an ergograph until fatigue. Our results suggested that local performance increased the spectral power of slow alpha- and theta waves as the fatigue set in, but these changes developed slower and were manifested later in the athletes than in the unfit people. Besides, tired athletes' EEGs showed alpha waves synchronization and only demonstrated a decrease in low- and high frequency beta waves indexes. Athletes show higher performance and lower fatigability if compared to unfit people during local performance, also proved by the EEG bioelectrical changes.
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