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Structural analysis of basic leg extensor isometric f-t curve characteristics in male athletes in different sports measured in standing position

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Authors
Dopsaj, Milivoj
Blagojević, M.
Koropanovski, Nenad
Vučković, Goran
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Abstract
The aim of this study is to examine basic leg extensor isometric F-t curve characteristics obtained by testing in standing position. The sample consisted of 5 different sub-samples: power lifters (N=22), karate athletes (N=9), judokas (N=10), well trained athletes (N=39), and a control group (N=31). Six contractile characteristics were investigated: FmaxIZO-the level of maximal isometric force; tFmaxIZO-the time necessary for achieving maximal isometric force; RFDFmaxIZO-an index of basic isometric explosive force i.e. the isometric rate of force developement; FrelIZO-the relative value of the achieved maximal force; RFDFrelIZO-the relative value of isometric rate of force developement; and RFD/Fmax-an index which determines the level of development of basic isometric explosive force from the aspect of biological potential. Regarding all individual contractile parametres, the results showed that there is a statistically significant differences (p lt 0.001) between the sub-samples. Re...garding all standardized differences, where the criterion represented the result of control group, FmaxIZO in power lifters is 65.34%, in karate athletes is 11.41%, in judokas 22.58%, and at well trained population 15.12% bigger. Regarding RFDFmaxIZO in power lifters, the obtained value was 243.80%, in karate athletes 118.36%, in judokas 129.17% and in the well-trained group was 43.33% higher that the control group. From the point of view of RFD/Fmax value, the obtained value in power lifters was 243.80%, in karate athletes 118.36%, in judokas 129.17% and in the well-trained group was 43.33% higher than the control group. According to the obtained analyses here related to F-t curve leg extensor characteristics, it is possible to define initial model indicators for six tested contractile characteristics in tested athletes and well-trained populations.

Keywords:
Explosive force / Isometric F-t curve characteristics / Isometric muscle force / Legs extensors
Source:
Trends in Human Performance Research, 2010, 55-70
Scopus: 2-s2.0-84896554649
[ Google Scholar ]
2
URI
http://jakov.kpu.edu.rs/handle/123456789/357
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  • Radovi istraživača / Researchers' publications
Institution/Community
Jakov
TY  - CHAP
AU  - Dopsaj, Milivoj
AU  - Blagojević, M.
AU  - Koropanovski, Nenad
AU  - Vučković, Goran
PY  - 2010
UR  - http://jakov.kpu.edu.rs/handle/123456789/357
AB  - The aim of this study is to examine basic leg extensor isometric F-t curve characteristics obtained by testing in standing position. The sample consisted of 5 different sub-samples: power lifters (N=22), karate athletes (N=9), judokas (N=10), well trained athletes (N=39), and a control group (N=31). Six contractile characteristics were investigated: FmaxIZO-the level of maximal isometric force; tFmaxIZO-the time necessary for achieving maximal isometric force; RFDFmaxIZO-an index of basic isometric explosive force i.e. the isometric rate of force developement; FrelIZO-the relative value of the achieved maximal force; RFDFrelIZO-the relative value of isometric rate of force developement; and RFD/Fmax-an index which determines the level of development of basic isometric explosive force from the aspect of biological potential. Regarding all individual contractile parametres, the results showed that there is a statistically significant differences (p  lt  0.001) between the sub-samples. Regarding all standardized differences, where the criterion represented the result of control group, FmaxIZO in power lifters is 65.34%, in karate athletes is 11.41%, in judokas 22.58%, and at well trained population 15.12% bigger. Regarding RFDFmaxIZO in power lifters, the obtained value was 243.80%, in karate athletes 118.36%, in judokas 129.17% and in the well-trained group was 43.33% higher that the control group. From the point of view of RFD/Fmax value, the obtained value in power lifters was 243.80%, in karate athletes 118.36%, in judokas 129.17% and in the well-trained group was 43.33% higher than the control group. According to the obtained analyses here related to F-t curve leg extensor characteristics, it is possible to define initial model indicators for six tested contractile characteristics in tested athletes and well-trained populations.
T2  - Trends in Human Performance Research
T1  - Structural analysis of basic leg extensor isometric f-t curve characteristics in male athletes in different sports measured in standing position
SP  - 55
EP  - 70
UR  - conv_1286
ER  - 
@inbook{
author = "Dopsaj, Milivoj and Blagojević, M. and Koropanovski, Nenad and Vučković, Goran",
year = "2010",
abstract = "The aim of this study is to examine basic leg extensor isometric F-t curve characteristics obtained by testing in standing position. The sample consisted of 5 different sub-samples: power lifters (N=22), karate athletes (N=9), judokas (N=10), well trained athletes (N=39), and a control group (N=31). Six contractile characteristics were investigated: FmaxIZO-the level of maximal isometric force; tFmaxIZO-the time necessary for achieving maximal isometric force; RFDFmaxIZO-an index of basic isometric explosive force i.e. the isometric rate of force developement; FrelIZO-the relative value of the achieved maximal force; RFDFrelIZO-the relative value of isometric rate of force developement; and RFD/Fmax-an index which determines the level of development of basic isometric explosive force from the aspect of biological potential. Regarding all individual contractile parametres, the results showed that there is a statistically significant differences (p  lt  0.001) between the sub-samples. Regarding all standardized differences, where the criterion represented the result of control group, FmaxIZO in power lifters is 65.34%, in karate athletes is 11.41%, in judokas 22.58%, and at well trained population 15.12% bigger. Regarding RFDFmaxIZO in power lifters, the obtained value was 243.80%, in karate athletes 118.36%, in judokas 129.17% and in the well-trained group was 43.33% higher that the control group. From the point of view of RFD/Fmax value, the obtained value in power lifters was 243.80%, in karate athletes 118.36%, in judokas 129.17% and in the well-trained group was 43.33% higher than the control group. According to the obtained analyses here related to F-t curve leg extensor characteristics, it is possible to define initial model indicators for six tested contractile characteristics in tested athletes and well-trained populations.",
journal = "Trends in Human Performance Research",
booktitle = "Structural analysis of basic leg extensor isometric f-t curve characteristics in male athletes in different sports measured in standing position",
pages = "55-70",
url = "conv_1286"
}
Dopsaj, M., Blagojević, M., Koropanovski, N.,& Vučković, G.. (2010). Structural analysis of basic leg extensor isometric f-t curve characteristics in male athletes in different sports measured in standing position. in Trends in Human Performance Research, 55-70.
conv_1286
Dopsaj M, Blagojević M, Koropanovski N, Vučković G. Structural analysis of basic leg extensor isometric f-t curve characteristics in male athletes in different sports measured in standing position. in Trends in Human Performance Research. 2010;:55-70.
conv_1286 .
Dopsaj, Milivoj, Blagojević, M., Koropanovski, Nenad, Vučković, Goran, "Structural analysis of basic leg extensor isometric f-t curve characteristics in male athletes in different sports measured in standing position" in Trends in Human Performance Research (2010):55-70,
conv_1286 .

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