Kljajić, Dragana

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Functional relationship between dominant and non-dominant hand in motor task - hand grip strength endurance

Kljajić, Dragana; Eminović, Fadilj; Trgovčević, Sanja; Dimitrijević, Raša; Dopsaj, Milivoj

(Fakultet za specijalnu edukaciju i rehabilitaciju, Beograd, 2012)

TY  - JOUR
AU  - Kljajić, Dragana
AU  - Eminović, Fadilj
AU  - Trgovčević, Sanja
AU  - Dimitrijević, Raša
AU  - Dopsaj, Milivoj
PY  - 2012
UR  - http://jakov.kpu.edu.rs/handle/123456789/475
AB  - The aim of this study was to determine the functional relationship between dominant and non-dominant hand in the strength endurance motor task - hand grip, in the referent population of healthy and young persons. For the purpose of the research we have implemented the method of isometric dynamometry and standardized hand grip test. The study included 48 participants, 23 of them being of female and 25 of male gender. The analysis of variance (ANOVA) was used to determine the difference between the sets of variables in the function of gender and functional dimorphism, while the Bonferroni criterion was applied to determine the differences between pairs of individual variables. The difference between the maximum hand grip of dominant and non-dominant hand in female participants amounted to 9.28%, and in male ones 7.39% in favor of the dominant hand. There is no statistically significant difference between nondominant and dominant hand regarding the force endurance time aspect at 30%, 50% and 80% out of the maximum hand grip level, as well as at the absolute and relative force impulse indicators as an endurance measure. The value of gender dimorphism in relation to the absolute indicators of force momentum at 30%, 50% and 80% out of the maximum hand grip level in female participants is 0.9714, 0.9145, 0.9301, and in male participants 0.9515, 0.8264 and 0.8606. The force momentum indicators value at 30%, 50% and 80% out of the maximum hand grip level in female participants is ImpF30%=21167.58±6923.67 Ns, ImpF50%=10846.94±3800.56 Ns and ImpF80%=5438.46±1993.12 Ns, and in male participants ImpF30%=17734.03±6881.92 Ns, ImpF50%=13903.61±3437.76 Ns and ImpF80%=5117.53±1894.78 Ns. The obtained results can be used as the criteria for further research in special education and rehabilitation, medical and professional rehabilitation.
AB  - Cilj ovog rada je da se utvrdi funkcionalni odnos nedominantne i dominantne ruke izdržljivosti u sili pri motoričkom zadatku-stisak šake, kod referentne populacije zdravih i mladih osoba. Za potrebe istraživanja primenjena je metoda izometrijske dinamometrije i standardizovani test-stisak šake. U istraživanju je učestvovalo 48 ispitanika, i to 23 ispitanika ženskog i 25 ispitanika muškog pola. Za utvrđivanje razlika između skupova varijabli u funkciji pola i funkcionalnog dimorfizma korišćena je analiza varijanse (ANOVA), dok je za utvrđivanje razlika između parova pojedinačnih varijabli korišćen Bonferoni kriterijum. Razlika između maksimalnog stiska šake nedominantne i dominantne ruke kod ispitanika ženskog pola je iznosila 9.28%, a kod muških ispitanika 7.39% u korist dominantne ruke. U odnosu na vremenski aspekt izdržljivosti u sili na 30%, 50% i 80% od maksimalnog nivoa sile stiska šake, kao i na apsolutne i relativne pokazatelje impulsa sile kaomere izdržljivosti, ne postoji statistički značajna razlika između nedominantne i dominantne ruke. Vrednost funkcionalnog dimorfizma u odnosu na apsolutne pokazatelje impulsa sile na 30%, 50% i 80% od maksimalnog nivoa stiska šake za ispitanike ženskog pola iznosi 0.9714, 0.9145, 0.9301, a za ispitanike muškog pola iznosi 0.9515., 0.8264 i 0.8606. Vrednost apsolutnih pokazatelja impulsa sile na 30%, 50% i 80% od maksimalnog nivoa sile stiska šake kod ispitanika ženskog pola iznosi ImpF30%=21167.58±6923.67 Ns, ImpF50%=10846.94±3800.56 Ns i ImpF80%=5438.46±1993.12 Ns, a kod ispitanika muškog pola ImpF30%=17734.03±6881.92 Ns, ImpF50%=13903.61±3437.76 Ns i ImpF80%=5117.53±1894.78 Ns. Dobijeni rezultati se mogu koristiti kao kriterijumi za dalja istraživanja u specijalnoj edukaciji i rehabilitaciji, medicinskoj i profesionalnoj rehabilitaciji.
PB  - Fakultet za specijalnu edukaciju i rehabilitaciju, Beograd
T2  - Specijalna edukacija i rehabilitacija
T1  - Functional relationship between dominant and non-dominant hand in motor task - hand grip strength endurance
T1  - Funkcionalni odnos nedominantne i dominantne ruke pri motoričkom zadatku - izdržljivost u sili stiska šake
VL  - 11
IS  - 1
SP  - 67
EP  - 85
DO  - 10.5937/specedreh1201067K
ER  - 
@article{
author = "Kljajić, Dragana and Eminović, Fadilj and Trgovčević, Sanja and Dimitrijević, Raša and Dopsaj, Milivoj",
year = "2012",
abstract = "The aim of this study was to determine the functional relationship between dominant and non-dominant hand in the strength endurance motor task - hand grip, in the referent population of healthy and young persons. For the purpose of the research we have implemented the method of isometric dynamometry and standardized hand grip test. The study included 48 participants, 23 of them being of female and 25 of male gender. The analysis of variance (ANOVA) was used to determine the difference between the sets of variables in the function of gender and functional dimorphism, while the Bonferroni criterion was applied to determine the differences between pairs of individual variables. The difference between the maximum hand grip of dominant and non-dominant hand in female participants amounted to 9.28%, and in male ones 7.39% in favor of the dominant hand. There is no statistically significant difference between nondominant and dominant hand regarding the force endurance time aspect at 30%, 50% and 80% out of the maximum hand grip level, as well as at the absolute and relative force impulse indicators as an endurance measure. The value of gender dimorphism in relation to the absolute indicators of force momentum at 30%, 50% and 80% out of the maximum hand grip level in female participants is 0.9714, 0.9145, 0.9301, and in male participants 0.9515, 0.8264 and 0.8606. The force momentum indicators value at 30%, 50% and 80% out of the maximum hand grip level in female participants is ImpF30%=21167.58±6923.67 Ns, ImpF50%=10846.94±3800.56 Ns and ImpF80%=5438.46±1993.12 Ns, and in male participants ImpF30%=17734.03±6881.92 Ns, ImpF50%=13903.61±3437.76 Ns and ImpF80%=5117.53±1894.78 Ns. The obtained results can be used as the criteria for further research in special education and rehabilitation, medical and professional rehabilitation., Cilj ovog rada je da se utvrdi funkcionalni odnos nedominantne i dominantne ruke izdržljivosti u sili pri motoričkom zadatku-stisak šake, kod referentne populacije zdravih i mladih osoba. Za potrebe istraživanja primenjena je metoda izometrijske dinamometrije i standardizovani test-stisak šake. U istraživanju je učestvovalo 48 ispitanika, i to 23 ispitanika ženskog i 25 ispitanika muškog pola. Za utvrđivanje razlika između skupova varijabli u funkciji pola i funkcionalnog dimorfizma korišćena je analiza varijanse (ANOVA), dok je za utvrđivanje razlika između parova pojedinačnih varijabli korišćen Bonferoni kriterijum. Razlika između maksimalnog stiska šake nedominantne i dominantne ruke kod ispitanika ženskog pola je iznosila 9.28%, a kod muških ispitanika 7.39% u korist dominantne ruke. U odnosu na vremenski aspekt izdržljivosti u sili na 30%, 50% i 80% od maksimalnog nivoa sile stiska šake, kao i na apsolutne i relativne pokazatelje impulsa sile kaomere izdržljivosti, ne postoji statistički značajna razlika između nedominantne i dominantne ruke. Vrednost funkcionalnog dimorfizma u odnosu na apsolutne pokazatelje impulsa sile na 30%, 50% i 80% od maksimalnog nivoa stiska šake za ispitanike ženskog pola iznosi 0.9714, 0.9145, 0.9301, a za ispitanike muškog pola iznosi 0.9515., 0.8264 i 0.8606. Vrednost apsolutnih pokazatelja impulsa sile na 30%, 50% i 80% od maksimalnog nivoa sile stiska šake kod ispitanika ženskog pola iznosi ImpF30%=21167.58±6923.67 Ns, ImpF50%=10846.94±3800.56 Ns i ImpF80%=5438.46±1993.12 Ns, a kod ispitanika muškog pola ImpF30%=17734.03±6881.92 Ns, ImpF50%=13903.61±3437.76 Ns i ImpF80%=5117.53±1894.78 Ns. Dobijeni rezultati se mogu koristiti kao kriterijumi za dalja istraživanja u specijalnoj edukaciji i rehabilitaciji, medicinskoj i profesionalnoj rehabilitaciji.",
publisher = "Fakultet za specijalnu edukaciju i rehabilitaciju, Beograd",
journal = "Specijalna edukacija i rehabilitacija",
title = "Functional relationship between dominant and non-dominant hand in motor task - hand grip strength endurance, Funkcionalni odnos nedominantne i dominantne ruke pri motoričkom zadatku - izdržljivost u sili stiska šake",
volume = "11",
number = "1",
pages = "67-85",
doi = "10.5937/specedreh1201067K"
}
Kljajić, D., Eminović, F., Trgovčević, S., Dimitrijević, R.,& Dopsaj, M.. (2012). Functional relationship between dominant and non-dominant hand in motor task - hand grip strength endurance. in Specijalna edukacija i rehabilitacija
Fakultet za specijalnu edukaciju i rehabilitaciju, Beograd., 11(1), 67-85.
https://doi.org/10.5937/specedreh1201067K
Kljajić D, Eminović F, Trgovčević S, Dimitrijević R, Dopsaj M. Functional relationship between dominant and non-dominant hand in motor task - hand grip strength endurance. in Specijalna edukacija i rehabilitacija. 2012;11(1):67-85.
doi:10.5937/specedreh1201067K .
Kljajić, Dragana, Eminović, Fadilj, Trgovčević, Sanja, Dimitrijević, Raša, Dopsaj, Milivoj, "Functional relationship between dominant and non-dominant hand in motor task - hand grip strength endurance" in Specijalna edukacija i rehabilitacija, 11, no. 1 (2012):67-85,
https://doi.org/10.5937/specedreh1201067K . .
2

Model indicators of muscle force characteristics in young and healthy persons while performing motor task: Hand grip: Pilot research

Dopsaj, Milivoj; Kljajić, Dragana; Eminović, Fadilj; Koropanovski, Nenad; Dimitrijević, Raša; Stojković, Irena

(Fakultet za specijalnu edukaciju i rehabilitaciju, Beograd, 2011)

TY  - JOUR
AU  - Dopsaj, Milivoj
AU  - Kljajić, Dragana
AU  - Eminović, Fadilj
AU  - Koropanovski, Nenad
AU  - Dimitrijević, Raša
AU  - Stojković, Irena
PY  - 2011
UR  - http://jakov.kpu.edu.rs/handle/123456789/394
AB  - In this study we defined model indicators of different muscle force characteristics while performing motor task: hand grip, by using isometric dynamometry method. The sample included 33 examinees (16 males, and 17 females) all students of Criminalistic-police academy, Belgrade, chosen randomly from the I year students of academic studies. The measured space was defined in relation to three aspects of muscle force dimensions: the aspect of muscle force (absolute value expressed in N, relative value expressed in N/kg BM and relativized value expressed in % out of Fmax), time aspect of expressing the given force percentage (time of endurance with 80, 50 and 30% out of Fmax, expressed in seconds) and mathematical models defined as different dependencies of expressed force characteristic as a function of time: Faps vs time, F% vs time i Frel vs time. The results show that by using mathematical modeling method, the measuring space is described by precision at the level of prediction from 99.97 % (in dependence F% vs time, girls, left hand) to 91.86% (in dependence F% vs time, man, right hand). However, for defining model indicators from the aspects of measured contractility capacity and for calculating the criteria indicators in young and healthy population it is necessary to repeat the measuring in the greater number of examinees.
AB  - U istraživanju je izvršeno definisanje modelnih pokazatelja različitih karakteristika ispoljavanja mišićne sile kod motoričkog zadatka - stisak šake, primenom metode izometrijske dinamometrije. Uzorak je bio sastavljen od 33 ispitanika (16 muškog i 17 ženskog pola) koji su činili studenti Kriminalističko-policijske akademije u Beogradu, izabrani kao slučajni uzorak studenata I godine akademskih studija. Ispitivani (mereni) prostor je definisan u odnosu na tri aspekta analize mišićne sile i to: aspekt mišićne sile (apsolutne vrednosti izražene u N, relativne vrednosti izražene u N/kg TM i relativizovane vrednosti izražene u % od Fmax), vremenski aspekt ispoljavanja datog procenta sile (vreme izdržaja na 80%, 50% i 30% od Fmax, izraženo u sekundama) i matematički modeli definisani kao različite zavisnosti ispoljene karakteristike sile u funkciji vremena i to: Faps vs time, F% vs time i Frel vs time. Rezultati su pokazali da je primenom metode matematičkog modelovanja prostor merenja opisan preciznošću na nivou predikcije od 99.99% (kod zavisnosti F% vs time devojke leva šaka) do 93.40% (kod zavisnosti F% vs time muškarci desna šaka). U svrhu definisanja finalnih modelskih pokazatelja merene kontraktilne sposobnosti i izračunavanja kriterijumskih pokazatelja za mladu i zdravu populaciju potrebno je ponoviti merenje na reprezentativnom broju ispitanika.
PB  - Fakultet za specijalnu edukaciju i rehabilitaciju, Beograd
T2  - Specijalna edukacija i rehabilitacija
T1  - Model indicators of muscle force characteristics in young and healthy persons while performing motor task: Hand grip: Pilot research
T1  - Modelni pokazatelji karakteristika mišićne sile kod mladih i zdravih osoba pri motoričkom zadatku - stisak šake - pilot istraživanje
VL  - 10
IS  - 1
SP  - 15
EP  - 36
UR  - https://hdl.handle.net/21.15107/rcub_jakov_394
ER  - 
@article{
author = "Dopsaj, Milivoj and Kljajić, Dragana and Eminović, Fadilj and Koropanovski, Nenad and Dimitrijević, Raša and Stojković, Irena",
year = "2011",
abstract = "In this study we defined model indicators of different muscle force characteristics while performing motor task: hand grip, by using isometric dynamometry method. The sample included 33 examinees (16 males, and 17 females) all students of Criminalistic-police academy, Belgrade, chosen randomly from the I year students of academic studies. The measured space was defined in relation to three aspects of muscle force dimensions: the aspect of muscle force (absolute value expressed in N, relative value expressed in N/kg BM and relativized value expressed in % out of Fmax), time aspect of expressing the given force percentage (time of endurance with 80, 50 and 30% out of Fmax, expressed in seconds) and mathematical models defined as different dependencies of expressed force characteristic as a function of time: Faps vs time, F% vs time i Frel vs time. The results show that by using mathematical modeling method, the measuring space is described by precision at the level of prediction from 99.97 % (in dependence F% vs time, girls, left hand) to 91.86% (in dependence F% vs time, man, right hand). However, for defining model indicators from the aspects of measured contractility capacity and for calculating the criteria indicators in young and healthy population it is necessary to repeat the measuring in the greater number of examinees., U istraživanju je izvršeno definisanje modelnih pokazatelja različitih karakteristika ispoljavanja mišićne sile kod motoričkog zadatka - stisak šake, primenom metode izometrijske dinamometrije. Uzorak je bio sastavljen od 33 ispitanika (16 muškog i 17 ženskog pola) koji su činili studenti Kriminalističko-policijske akademije u Beogradu, izabrani kao slučajni uzorak studenata I godine akademskih studija. Ispitivani (mereni) prostor je definisan u odnosu na tri aspekta analize mišićne sile i to: aspekt mišićne sile (apsolutne vrednosti izražene u N, relativne vrednosti izražene u N/kg TM i relativizovane vrednosti izražene u % od Fmax), vremenski aspekt ispoljavanja datog procenta sile (vreme izdržaja na 80%, 50% i 30% od Fmax, izraženo u sekundama) i matematički modeli definisani kao različite zavisnosti ispoljene karakteristike sile u funkciji vremena i to: Faps vs time, F% vs time i Frel vs time. Rezultati su pokazali da je primenom metode matematičkog modelovanja prostor merenja opisan preciznošću na nivou predikcije od 99.99% (kod zavisnosti F% vs time devojke leva šaka) do 93.40% (kod zavisnosti F% vs time muškarci desna šaka). U svrhu definisanja finalnih modelskih pokazatelja merene kontraktilne sposobnosti i izračunavanja kriterijumskih pokazatelja za mladu i zdravu populaciju potrebno je ponoviti merenje na reprezentativnom broju ispitanika.",
publisher = "Fakultet za specijalnu edukaciju i rehabilitaciju, Beograd",
journal = "Specijalna edukacija i rehabilitacija",
title = "Model indicators of muscle force characteristics in young and healthy persons while performing motor task: Hand grip: Pilot research, Modelni pokazatelji karakteristika mišićne sile kod mladih i zdravih osoba pri motoričkom zadatku - stisak šake - pilot istraživanje",
volume = "10",
number = "1",
pages = "15-36",
url = "https://hdl.handle.net/21.15107/rcub_jakov_394"
}
Dopsaj, M., Kljajić, D., Eminović, F., Koropanovski, N., Dimitrijević, R.,& Stojković, I.. (2011). Model indicators of muscle force characteristics in young and healthy persons while performing motor task: Hand grip: Pilot research. in Specijalna edukacija i rehabilitacija
Fakultet za specijalnu edukaciju i rehabilitaciju, Beograd., 10(1), 15-36.
https://hdl.handle.net/21.15107/rcub_jakov_394
Dopsaj M, Kljajić D, Eminović F, Koropanovski N, Dimitrijević R, Stojković I. Model indicators of muscle force characteristics in young and healthy persons while performing motor task: Hand grip: Pilot research. in Specijalna edukacija i rehabilitacija. 2011;10(1):15-36.
https://hdl.handle.net/21.15107/rcub_jakov_394 .
Dopsaj, Milivoj, Kljajić, Dragana, Eminović, Fadilj, Koropanovski, Nenad, Dimitrijević, Raša, Stojković, Irena, "Model indicators of muscle force characteristics in young and healthy persons while performing motor task: Hand grip: Pilot research" in Specijalna edukacija i rehabilitacija, 10, no. 1 (2011):15-36,
https://hdl.handle.net/21.15107/rcub_jakov_394 .