dc.creator | Kojić, Filip | |
dc.creator | Ranisavljev, Igor | |
dc.creator | Ćosić, Dušan | |
dc.creator | Popović, Dejana | |
dc.creator | Stojiljković, Stanimir | |
dc.creator | Ilić, Vladimir | |
dc.date.accessioned | 2021-09-03T08:06:54Z | |
dc.date.available | 2021-09-03T08:06:54Z | |
dc.date.issued | 2021 | |
dc.identifier.issn | 0860-021X | |
dc.identifier.uri | https://farfar.pharmacy.bg.ac.rs/handle/123456789/3945 | |
dc.description.abstract | The aim of the study was to compare the effects of two different training protocols, which differ in the duration of the eccentric phase, on the one-repetition maximum (1RM), thickness and contractile properties of elbow flexors. Twenty untrained college students were randomly divided into two experimental groups, based on the training tempo: FEG (Faster Eccentric Group: 1/0/1/0) and SEG (Slower Eccentric Group: 4/0/1/0). Training intervention was a biceps bending exercise, conducted twice a week for 7 weeks. The intensity (60–70% RM), sets (3–4) and rest intervals (120 s) were held constant, while repetitions were performed until it was not possible to maintain a set duration. In the initial and final measurements, 1RM, muscle thickness and tensiomyography parameters – contraction time (Tc) and radial deformation (Dm) – were evaluated. An ANCOVA model (using baseline outcomes as covariates) was applied to determine between-group differences at post-test, while Pearson’s product-moment correlation coefficient was used to investigate the relationship between absolute changes in muscle thickness and Dm. Muscle strength increase was greater for SEG than for FEG (6.0 ± 1.76 vs. 3.30 ± 2.26 kg, p < 0.01). In both groups muscle thickness increased equally (FEG: 3.24 ± 2.01 vs. SEG: 3.57 ± 1.17 mm, p < 0.01), while an overall reduction in Dm was observed (FEG: 1.99 ± 1.20 vs. SEG: 2.26 ± 1.03 mm, p < 0.01). Values of Tc remained unchanged. A significant negative relationship was observed between changes in muscle thickness and Dm (r = -0.763, Adj.R² = 0.560, p < 0.01). These results indicate that the duration of the eccentric phase has no effect on muscle hypertrophy in untrained subjects, but that slower eccentric movement significantly increases 1RM. | |
dc.publisher | Institute of Sport | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/47015/RS// | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by-sa/4.0/ | |
dc.source | Biology of Sport | |
dc.subject | Training tempo Muscle thickness Muscle stiffness 1RM Tensiomyography | |
dc.title | Effects of resistance training on hypertrophy, strength and tensiomyography parameters of elbow flexors: Role of eccentric phase duration | |
dc.type | article | |
dc.rights.license | BY-SA | |
dcterms.abstract | Којић, Филип; Поповић, Дејана; Стојиљковић, Станимир; Илић, Владимир; Ранисављев, Игор; Ћосић, Душан; | |
dc.citation.volume | 38 | |
dc.citation.issue | 4 | |
dc.citation.spage | 587 | |
dc.citation.epage | 594 | |
dc.citation.rank | M21 | |
dc.identifier.wos | 000680506500011 | |
dc.identifier.doi | 10.5114/biolsport.2021.99323 | |
dc.identifier.scopus | 2-s2.0-85113141709 | |
dc.type.version | publishedVersion | |