2013
DOI: 10.1590/s1517-86922013000600015
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Abstract: RESuMoIntrodução: Assimetrias na capacidade de produção de força entre músculos dos membros inferiores e fadiga muscular podem favorecer a ocorrência de lesões em atletas de futebol. Considerando-se que existem diferenças individuais determinadas pelas diversas funções exercidas pelos jogadores, é possível que a presença de assimetrias de força e fadiga muscular esteja relacionada ao posicionamento em campo. Objetivos: 1) Investigar diferenças na assimetria de pico de torque (PT), na assimetria de trabalho (T)… Show more

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Cited by 15 publications
(5 citation statements)
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“…1 In relation to fatigue, a higher index was observed in the hamstring muscles when compared to the quadriceps (femoris muscle). Similar results were observed by Weber et al 11 and Carvalhais et al, 18 who found a higher percentage decrease in the torque in the hamstrings compared to the quadriceps during the fatigue protocol. The fatigue index indicates the individual's ability to perform the same movement over and over again with certain resistance.…”
Section: Discussionsupporting
confidence: 89%
See 1 more Smart Citation
“…1 In relation to fatigue, a higher index was observed in the hamstring muscles when compared to the quadriceps (femoris muscle). Similar results were observed by Weber et al 11 and Carvalhais et al, 18 who found a higher percentage decrease in the torque in the hamstrings compared to the quadriceps during the fatigue protocol. The fatigue index indicates the individual's ability to perform the same movement over and over again with certain resistance.…”
Section: Discussionsupporting
confidence: 89%
“…Previous studies have also not observed this difference and state that although some football-specific skills are usually performed with the preference of one limb, the results observed in the isokinetic tests suggest that the evaluated athletes are functionally and bilaterally balanced. 11,18 This balance can be justified by the active participation of the non-dominant limb in passing actions and their function as a support member during kicks. 15 Table 1.…”
Section: Discussionmentioning
confidence: 99%
“…Contradictorily to other published researches [5,7,10,11,36], no statistically significant difference were found between all playing positions. We believe that, as some studies do not mention it, normalization of raw isokinetic peak moment by body mass was crucial to our results; as a further analysis, of non-normalized data from our sample, revealed significant statistical differences and large effect sizes between all playing positions.…”
Section: Discussionmentioning
confidence: 49%
“…Therefore, the moment of the season in which they were evaluated must be considered. 3,5,12,13,[15][16][17] In this study, the analyzed variables of the isokinetic test showed that the peak torque adjusted by body mass at velocities of 60º/sec and 300º/ sec was higher in the knee flexors of the dominant side of the athletes suggesting asymmetry in muscle strength and endurance between the dominant and non-dominant knee flexors. Total work was also evaluated, where the sum of the repetitions that the athlete performed during the test occurred, and no significant differences were found.…”
Section: Discussionmentioning
confidence: 57%