Selected parameters of explosive strength of young elite soccer players

Title Alternative:Wybrane parametry siły eksplozywnej u młodych elitarnych piłkarzy
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dc.contributor.authorHanuš, Milan
dc.contributor.authorZahálka, František
dc.contributor.authorMalý, Tomáš
dc.contributor.authorGryc, Tomáš
dc.contributor.authorHráský, Pavel
dc.contributor.authorMalá, Lucia
dc.date.accessioned2017-11-03
dc.date.available2017-11-03
dc.date.issued2011
dc.description.abstractVětšina pohybových činností ve sportovních hrách je prováděna pomocí dolních končetin a jejich činnost je i podmínkou pro účinný a efektivní pohyb hráče během utkání.Jedním z kritérií pro hodnocení explosivní síly je vztah mezi silou svalstva a provedeným pohybem, a to tak, že svaly jsou přímo odpovědné za vzrůstající rychlost (Cabri, 1988). Dokonalejší svalová koordinace umožňuje účinnější průběh rychlostní činnosti, zejména frekvenčního charakteru, a její delší trvání (Zenricke, 1978). Pro studii bylo využito 11 hráčů vrcholové úrovně (věk 18,4±0,9; výška 183,9±5,9 cm; váha 74,2±7,7 kg). Pro hodnocení explozivní síly dolních končetin při vertikálním výskoku bylo využito silových desek (Kistler, Switzerland). Pro evaluaci vnějších projevů síly při švihu dolní končetiny během kopu do míče bylo využito on-line prostorového kinematického analyzátoru CODA Motion.cs
dc.description.abstractWiększość czynności ruchowych w grach sportowych wykonywana jest przy pomocy kończyn dolnych a ich aktywność stanowi także warunek skutecznego i efektywnego ruchu gracza w trakcie meczu. Jednym z kryteriów oceny siły eksplozywnej jest stosunek pomiędzy siłą mięśni a wykonanym ruchem, przy czym mięśnie są bezpośrednio odpowiedzialne za rosnącą szybkość (Cabri, 1988). Doskonalsza koordynacja mięśni umożliwia skuteczniejszy przebieg szybkiej czynności, szczególnie o charakterze frekwencyjnym, oraz jej dłuższy czas trwania (Zenricke, 1978). Badania przeprowadzano na 11 graczach wyczynowych (wiek 18,4±0,9; wysokość 183,9±5,9 cm; waga 74,2±7,7 kg). Do oceny siły eksplozywnej kończyn dolnych przy wyskoku pionowym wykorzystano płyty siłowe (Kistler, Szwajcaria). W ewaluacji zewnętrzych objawów siły przy wykopnięciu kończyny dolnej w czasie opnięcia w piłkę wykorzystano on-line przestrzenny kinematyczny analizator CODA Motion.pl
dc.description.abstractRelationship between muscle strength and movement realization is one of the criteria for explosive strength evaluation. Muscles are producing higher velocity of the body segment (Cabri, 1988). Better muscles coordination enables more effective increase in the movement activity with regard to its length (Zernicke, 1978). There were 11 young elite football players in this study (age 18,4±0,9 years; height 183,9±5,9 cm; weight 74,2±7,7 kg). Force platforms (Kistler, Switzerland) were used for explosive strength assessment. Kinematic analyser CODA was used for lower limb’s 3D movement evaluation. The velocity of the ball was measured by radar equipment Stalker ATS. The main parameters of explosive strength during the vertical jump were: height of the jump (cm), breaking impulse (Ns-1), acceleration impulse (Ns-1) and time phases duration. The movement of the lower limbs and velocity of the ball were evaluated as kinematics parameters. The study confirmed that players with higher vertical jump achieved a higher speed when kicking a ball. There was a significant correlation between explosive strength of lower limbs and the speed of the ball (r = 0,739; p < 0,01). There was also a significant correlation between height of countermovement jump free arms and weight of players (r = 0,812; p < 0,01).en
dc.description.abstractDie meisten Bewegungstätigkeiten in Sportspielen werden mit Hilfe der unteren Gliedmaßen durchgeführt und ihre Tätigkeit ist zugleich die Bedingung für eine wirkungsvolle und effiziente Bewegung des Spielers beim Match. Eines der Kriterien für die Bewertung der explosiven Kraft ist das Verhältnis zwischen der Kraft der Muskulatur und der durchgeführten Bewegung und zwar so, dass die Muskeln für die sich erhöhende Geschwindigkeit direkt verantwortlich sind (Cabri, 1988). Eine perfektere Muskelkoordination ermöglicht einen effektiveren Verlauf der Geschwindigkeitstätigkeit, besonders der Geschwindigkeitstätigkeit von Frequenzcharakter, und auch ihre längere Dauer (Zenricke, 1978). Für die Studie wurden 11 Spieler von Spitzenniveau untersucht (Alter 18,4± 0,9 Jahre, Größe 183,9± 5,9 cm, Gewicht 74,2 ± 7,7 kg). Für die Bewertung der explosiven Kraft der unteren Gliedmaßen bei vertikalem Absprung wurden Kraftsensoren benutzt (Kistler, Schweiz ). Für die Evaluation von äußeren Krafterscheinungen beim Schwung der unteren Gliedmaßen während des Ballstoßes wurde der kinematische Raumanalysator CODA Motion online benutzt.de
dc.formattextcs
dc.format.extent7 stran
dc.identifier.eissn1803-9790
dc.identifier.issn1803-9782
dc.identifier.otherACC_2011_2_06
dc.identifier.urihttps://dspace.tul.cz/handle/15240/21169
dc.language.isoen
dc.licenseCC BY-NC 4.0
dc.publisherTechnická univerzita v Liberci, Česká republikacs
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dc.relation.ispartofACC Journalen
dc.relation.isrefereedtrue
dc.subjectexplosive strengthen
dc.subjectspeed of ballen
dc.subjectsoccer, dynamicen
dc.titleSelected parameters of explosive strength of young elite soccer playersen
dc.title.alternativeWybrane parametry siły eksplozywnej u młodych elitarnych piłkarzypl
dc.title.alternativeVybrané parametry výbušné síly u mladých elitních fotbalistůcs
dc.title.alternativeAusgewählte Parameter der Sprungkraft von jugendlichen Elitefussballspielernde
dc.typeArticleen
local.accessopen
local.citation.epage59
local.citation.spage53
local.fulltextyesen
local.relation.issue2
local.relation.volume17
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