Приказ основних података о документу
The relationship between success in basic skiing instruction and dimensions of isometric knee extensor muscle force in students at Police academy
Povezanost uspešnosti savladavanja osnovne obuke u skijanju sa dimenzijama izometrijske mišićne sile opružača nogu kod studenata Policijske akademije
dc.creator | Dopsaj, Milivoj | |
dc.creator | Milošević, Milenko | |
dc.creator | Blagojević, Miroljub | |
dc.date.accessioned | 2019-03-21T15:51:17Z | |
dc.date.available | 2019-03-21T15:51:17Z | |
dc.date.issued | 2003 | |
dc.identifier.issn | 0409-2953 | |
dc.identifier.uri | http://jakov.kpu.edu.rs/handle/123456789/43 | |
dc.description.abstract | The aim of the research was to define the relationship between success in teaching basic skiing skills to students of Police Academy and the dimensions of isometric knee extensor muscle force. The sample consisted of 183 students of Police Academy (Age = 20.100.50 years, VH = 1.8140.005 cm, BM = 78.427.29 kg) who had no previous experience in skiing. The mark that the students got at the final skiing test was used as the criterion variable, where the system of 29 predictor variables was represented by the characteristics of isometric knee extensor muscle force, which were used to assess the level of maximal isometric force at 10% from 10 to 100% of Fmax (NogeF10% - NogeF100%), absolute rate of force development (explosibility index) at 10% from 10 to 100% of Fmax (NogeRFD10% -NogeRFD100%), and muscle unit involvement velocity assessment index at every 10% of the force realised (NogeC10%-NogeC90%). The predictors gave a statistically significant description of the criterion with 10.30% describing common variance (R2=0.103, Fratio=3.114, pvalue=0.0037). As for the individual variables, the criterion was significantly described by two variables that were used to assess the level of maximal force at 20 and 30% of Fmax (NogeF20% and NogeF20%), muscle unit involvement velocity at 50 and 60% of Fmax (NogeC50% and NogeC60%), and rate of force development at 60 and 70% of Fmax (NogeRFD60% and NogeRFD70%). The results were used to define the equation of criterion prediction (success in skiing instruction) with the assessment error of 0.82 of the mark. The formula we obtained for the equation of model prediction has the following form: Mark = 8.03238 - 0.301976*NogeF20% + 0.198425*NogeF30% + 0.161689*NogeC50% - 0.564403*NogeC60% + 0.00319422*NogeRFD60% - 0.00232235*NogeRFD70%. | en |
dc.description.abstract | Predmet istraživanja je definisanje povezanosti između uspešnosti savladavanja osnovne obuke u skijanju kod studenata Policijske akademije i dimenzija izometrijske mišićne sile mišića opružača nogu. Uzorak ispitanika se sastojao od 183 studenta Policijske akademije (Uzrast = 20.100.50 godina, TV = 1.8140.005 cm, TM = 78.427.29 kg) bez prethodnog znanja skijanja. Kriterijsku varijablu je predstavljala ocena studenta dobijena na završnom ispitu iz skijanja, dok su sistem od 29 prediktorskih varijabli predstavljale karakteristike izometrijske sile mišića opružača nogu kojima je procenjivan nivo maksimalne sile na 10% od 10 do 100% od Fmax (NogeF10% - NogeF100%), intenzitet ispoljavanja sile na 10% od 10 do 100% od Fmax (NogeRFD10% - NogeRFD100%) i indeks procene brzine uključenja motornih jedinica na svakih 10% realizovane sile (NogeC10% - NogeC90%). Prediktori su statistički značajno opisali kriterijum sa 10.30% objašnjenja zajedničke varijanse (R2=0.103, Fratio=3.114, pvalue=0.0037). Od pojedinačnih varijabli kriterijum su statistički značajno opisale po dve varijable kojima je procenjivan nivo maksimalne sile na 20 i 30% od Fmax (NogeF20% i NogeF20%), brzina uključenja motornih jedinica na 50 i 60% od Fmax (NogeC50% i NogeC60%) i intenzitet ispoljavanja sile na 60 i 70% od Fmax (NogeRFD60% i NogeRFD70%). Na osnovu dobijenih rezultata definisana je jednačina predikcije kriterija (uspešnost obuke skijanja) sa greškom procene od 0.82 ocene. Dobijena formula jednačine predikcije modela ima sledeći oblik: Ocena = 8.03238 - 0.301976*NogeF20% + 0.198425*NogeF30% + 0.161689*NogeC50% - 0.564403*NogeC60% + 0.00319422*NogeRFD60% - 0.00232235*NogeRFD70%. | sr |
dc.publisher | Beograd : Ministarstvo unutrašnjih poslova Republike Srbije | |
dc.rights | openAccess | |
dc.source | Bezbednost, Beograd | |
dc.subject | skiing | en |
dc.subject | basic instruction | en |
dc.subject | students of Police Academy | en |
dc.subject | isometric muscle force | en |
dc.subject | dimensions of muscle force | en |
dc.subject | knee extensors | en |
dc.subject | skijanje | sr |
dc.subject | osnovna obuka | sr |
dc.subject | studenti Policijske akademije | sr |
dc.subject | izometrijska mišićna sila | sr |
dc.subject | dimenzije mišićne sile | sr |
dc.subject | mišići opružača nogu | sr |
dc.title | The relationship between success in basic skiing instruction and dimensions of isometric knee extensor muscle force in students at Police academy | en |
dc.title | Povezanost uspešnosti savladavanja osnovne obuke u skijanju sa dimenzijama izometrijske mišićne sile opružača nogu kod studenata Policijske akademije | sr |
dc.type | article | |
dc.rights.license | ARR | |
dcterms.abstract | Благојевић, Мирољуб; Допсај, Миливој; Милошевић, Миленко; Повезаност успешности савладавања основне обуке у скијању са димензијама изометријске мишићне силе опружача ногу код студената Полицијске академије; Повезаност успешности савладавања основне обуке у скијању са димензијама изометријске мишићне силе опружача ногу код студената Полицијске академије; | |
dc.citation.volume | 45 | |
dc.citation.issue | 1 | |
dc.citation.spage | 43 | |
dc.citation.epage | 57 | |
dc.citation.other | 45(1): 43-57 | |
dc.citation.rank | M51 | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_jakov_43 | |
dc.identifier.fulltext | http://jakov.kpu.edu.rs/bitstream/id/2553/41.pdf | |
dc.type.version | publishedVersion |