Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/45276
Title: Analysis of the response speed of musculature of the knee in professional male and female volleyball players
Authors: Rodríguez-Ruiz, D. 
Diez-Vega, I.
Rodríguez-Matoso, D.
Fernandez-Del-Valle, M.
Sagastume, R.
Molina, J. J.
UNESCO Clasification: 241106 Fisiología del ejercicio
Keywords: Muscle Contractile Properties
Vastus Medialis Oblique
Gender-Differences
Noninvasive Estimation
Jump, et al
Issue Date: 2014
Journal: BioMed Research International 
Abstract: The aim of this study was to evaluate the normalized response speed (Vrn) of the knee musculature (flexor and extensor) in high competitive level volleyball players using tensiomyography (TMG) and to analyze the muscular response of the vastus medialis (VM), rectus femoris (RF), vastus lateralis (VL), and biceps femoris (BF) in accordance with the specific position they play in their teams. One hundred and sixty-six players (83 women and 83 men) were evaluated. They belonged to eight teams in the Spanish women’s superleague and eight in the Spanish men’s superleague. The use of Vrn allows avoiding possible sample imbalances due to anatomical and functional differences and demands. We found differences between Vrn in each of the muscles responsible for extension (VM, RF, and VL) and flexion (BF) regardless of the sex. Normalized response speed differences seem to be larger in setters, liberos and outside players compared to middle blockers and larger in males when compared to females. These results of Vrn might respond to the differences in the physical and technical demands of each specific position, showing an improved balance response of the knee extensor and flexor musculature in male professional volleyball players.
URI: http://hdl.handle.net/10553/45276
ISSN: 2314-6133
DOI: 10.1155/2014/239708
Source: BioMed Research International[ISSN 2314-6133],v. 2014 (239708)
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