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Fizička kultura
2016, vol. 70, br. 1, str. 34-45
jezik rada: srpski, engleski
izvorni naučni članak
doi:10.5937/fizkul1601034T

Creative Commons License 4.0
Neuromehaničke funkcionalne kontraktilne karakteristike mišića butine merene metodom tenziomiografije kod sportista i nesportista muškog pola
aUniverzitet u Beogradu, Fakultet sporta i fizičkog vaspitanja
bPolicijska akademija

e-adresa: lazartoskic@gmail.com

Projekat

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

Sažetak

Nevoljne neuromehaničke kontraktilne karakteristike mišića, naročito mišića opružača i pregibača zgloba kolena kao najvećih mišićnih grupa kaudalnog dela tela, imaju važnu ulogu kako u svakodnevnom kretanju tako i u sportu. Na osnovu tih podataka mogu se dobiti važne informacije o funkcionalnim karakteristikama mišića. Osnovni način za procenu funkcionalnih nevoljnih neuromehaničkih kontraktilnih karakteristika mišića jeste neinvazivna metoda tenziomiografije (TMG). Cilj ovog istraživanja je da se utvrdi razlika nevoljnih neuromehaničkih kontraktilnih karakteristika mišića butine merenih TMG-om između sportista i nesportista muškog pola. Uzorak ispitanika činilo je 17 sportista i 10 nesportista. Primenom multivarijantne analize varijanse (MANOVA) i t-testa došlo se do rezultata koji ukazuju na to da je od ukupno 30 varijabli utvrđena razlika kod 13. Najviše razlika utvrđeno je kod mišića opružača zgloba kolena desne noge, a naročito kod mišića rektus femorisa. Takođe pokazalo se da pored mišića koji je glavni opružač (rektus femoris) i mišić glavni pregibač zgloba kolena (biceps femoris), učestvuje u definisanju razlike između sportista i nesportista. Rezultati su pokazali da su varijable: vreme kontrakcije (Ts) i odloženo vreme kontrakcije (Td), funkcionalni parametri kod kojih je utvrđena najveća razlika između sportista i nesportista (od t = -2.284, r < 0.05 za vastus lateralis desne noge do t = -4.018, r < 0.01 za rektus femoris leve noge). Ovi rezultati su pokazali da je moguće utvrditi razlike funkcionalnih nevoljnih neuro-mehaničkih kontraktilnih karakteristika mišića butine kod treniranih i netreniranih osoba primenom metode tenziomiografije, ali su isto tako pokazali da su te razlike vrlo specifične jer se odnose samo na pojedine karakteristike.

Ključne reči

koleno; opružači; pregibači; razlike; manova; t-test

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