A Different Insight into Neuromuscular Performance Evaluation: The Influence of Fatigue in Hamstrings:Quadriceps Ratio
Abstract
The purpose of this investigation was to evaluate the differences among fatigue index and hamstrings-to-quadriceps (H/Q) peak moment ratios subsequent to an exhaustive running (TLimvVO2max) trial performed at maximum individual fatigue intolerance point using an alternative H/QFatigue approach rather than other conventional (H/QCR) methods of determining the hamstrings-to-quadriceps ratio under non-fatigued conditions. Thirty-seven male athletes from different sports participated to determine if there are differences due to the influences of fatigue and sports modality. VO2max, vVO2max, and TLimvVO2max were measured to determine maximum individual fatigue intolerance point with two preliminary test sessions. H/Q data analyzed were for angular velocities of 180°/s. H/QFatigue calculated using the moment developed in repetitions 48-50 was significantly greater than other conventional methods (p<0.001). Significant differences were apparent among new and conventional methods (H/QRight48,49,50:1.20–1.24 vs. H/QCR: 0.57–0.62; p<0.05) and (H/QLeft48,49,50:1.17–1.34 vs. H/QCR: 0.53–0.55; p<0.001), respectively. H/QFatigue ratios following an exhaustive exercise offer different information compared to conventional methods of determining the hamstrings-to-quadriceps ratio under non-fatigued conditions.
Keywords
References
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Details
Primary Language
English
Subjects
Sports Medicine
Journal Section
Research Article
Publication Date
January 13, 2021
Submission Date
April 18, 2020
Acceptance Date
November 30, 2020
Published in Issue
Year 2020 Volume: 31 Number: 4