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Facta universitatis - series: Physical Education and Sport
2011, vol. 9, br. 3, str. 239-254
jezik rada: engleski
vrsta rada: originalan članak

Postoji li odnos između maksimalne i eksplozivne sile ekstenzora nogu?
aRepublic Institute for Sport, Belgrade
bUniverzitet u Beogradu, Fakultet sporta i fizičkog vaspitanja

e-adresa: jelenaiv77@yahoo.com

Projekat

Efekti primenjene fizičke aktivnosti na lokomotorni, metabolički, psiho-socijalni i vaspitni status populacije R Srbije (MPNTR - 47015)

Sažetak

Cilj rada bio je utvrditi relacije maksimalne izometrijske sile i različitih pokazatelja izometrijske eksplozivne sile (iRFD) ekstenzora nogu. Uzorak je činilo 83 ispitanika podeljenih u 2 grupe u odnosu na pol, muškarci N=53 i žene N=30. Za procenu F-t karakteristika izometrijske sile ekstenzora nogu korišćena je standardizovana oprema, tenziometrijska sonda i standardizovan test u sedećoj poziciji. Merni opseg je definisan na osnovu 6 varijabli u odnosu na kontraktilne karakteristike izometrijske sile ekstenzora nogu - 1) nivo ostvarene maksimalne sile - FmaxLEGEXTISO, 2) opšti ili bazični pokazatelj razvijenosti eksplozivne sile - RFDBASICLEGEXTISO, 3) specifični pokazatelj razvijenosti eksplozivne sile - RFD50%LEGEXTISO, i tri indikatora za procenu specijalnog nivoa razvijenosti eksplozivne sile tj. eksplozivnosti opružača nogu 4) izmeren na 250ms - RFD250msLEGEXTISO, 5) izmeren na 180ms - RFD180msLEGEXTISO, 6) izmeren na 100ms - RFD100msLEGEXTISO. Rezultati linearne regresije su pokazali pozitivnu korelaciju između FmaxLEGEXTISO i skoro svih praćenih varijabli sem kod RFDBASICLEGEXTISO kod muškaraca i RFD100msLEGEXTISO kod žena. Rezultati ove studije su pokazali da je sa aspekta tehnologije sportskog treninga, kombinacija metoda maksimalnog naprezanja, u svrhu razvoja maksimalne sile ili snage, sa pliometrijom, u svrhu razvoja intenziteta kontrakcije u ranim fazama iste, apsolutno poželjna i opravdana, što može imati važne praktične implikacije pri programiranju treninga snage za specifične sportske grane.

Ključne reči

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