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Factors infuencing bilateral defcit and inter-limb asymmetry of maximal and explosive strength [Elektronski vir] : motor task, outcome measure and muscle groupŠarabon, Nejc ...Purpose The purpose of the present study was to investigate the influence of strength outcome [maximal voluntary contraction (MVC) torque vs. rate of torque development (RTD)], motor task (unilateral ... vs. bilateral) and muscle group (knee extensors vs. flexors) on the magnitude of bilateral deficits and inter-limb asymmetries in a large heterogeneous group of athletes. Methods 259 professional/semi-professional athletes from different sports (86 women aged 21%%%6 years and 173 men aged 20%%%5 years) performed unilateral and bilateral %fast and hard% isometric maximal voluntary contractions of the knee extensors and flexors on a double-sensor dynamometer. Inter-limb asymmetries and bilateral deficits were compared across strength outcomes (MVC torque and multiple RTD measures), motor tasks and muscle groups. Results Most RTD outcomes showed greater bilateral deficits than MVC torque for knee extensors, but not for knee flexors. Most RTD outcomes, not MVC torque, showed higher bilateral deficits for knee extensors compared to knee flexors. For both muscle groups, all RTD measures resulted in higher inter-limb asymmetries than MVC torque, and most RTD measures resulted in greater inter-limb asymmetries during unilateral compared to bilateral motor tasks. Conclusions The results of the present study highlight the importance of outcome measure, motor task and muscle group when assessing bilateral deficits and inter-limb asymmetries of maximal and explosive strength. Compared to MVC torque and bilateral tasks, RTD measures and unilateral tasks could be considered more sensitive for the assessment of bilateral deficits and inter-limb asymmetries in healthy professional/semi-professional athletes.Source: European journal of applied physiology [Elektronski vir]. - ISSN 1439-6327 (Vol. , iss. , 2020, str. [1-8])Type of material - e-article ; adult, seriousPublish date - 2020Language - englishCOBISS.SI-ID - 17454595
Author
Šarabon, Nejc |
Kozinc, Žiga |
Bishop, Chris, kineziolog |
Maffiuletti, N.A.
Topics
athletes |
limb asymmetry |
strength |
knee |
dynamometry |
športniki |
spodnje okončine |
koleno |
navor |
dinamometrija
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Šarabon, Nejc | 21495 |
Kozinc, Žiga | 51596 |
Bishop, Chris, kineziolog | |
Maffiuletti, N.A. |
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