TY  - JOUR
AU  - Dopsaj, Milivoj
AU  - Kukić, Filip
AU  - Đorđević-Nikić, Marina
AU  - Koropanovski, Nenad
AU  - Radovanović, Dragan
AU  - Miljuš, Dragan
AU  - Subošić, Dane
AU  - Tomanić, Milena
AU  - Dopsaj, Violeta
PY  - 2020-08-18
UR  - http://jakov.kpu.edu.rs/handle/123456789/1386
AB  - This study aimed to explore the set of variables related to skeletal muscle mass (SMM) in both sexes, and to create age- and sex-related models of changes in SMM, using the most representative indicator of muscular status. Body composition was assessed in 8733 subjects (♀ = 3370 and ♂ = 5363), allocated into subsamples according to age: 18–29.9, 30–39.9, 40–49.9, 50–59.9, 60–69.9, and 70.0–79.9 years. Nine variables were used: protein mass, protein percent, protein mass index, SMM, percent of SMM, SMM index, fat-free mass, fat-free mass index, and protein/fat index. Univariate and multivariate analysis of variance (ANOVA and MANOVA) were used to determine between- and within-sex difference in all variables by age. Correlation analysis established the relationship between age and muscularity variables. Principal Component Analysis extracted the variables that loaded highest in explaining muscularity, while regression analysis determined the linearity of association between the age and indicators of muscular status. Variables SMMI and PSMM were extracted as the most sensitive to age, with SMMI being gender-independent while showing the parabolic and sinusoidal form of change as function of ageing in males and females, respectively; and PSMM being sex-dependent while showing a linear trend of decrease in both sexes.
PB  - Basel : MDPI
T2  - International Journal of Environmental Research and Public Health
T1  - Indicators of Absolute and Relative Changes in Skeletal Muscle Mass during Adulthood and Ageing
VL  - 17
IS  - 16
SP  - 5977
DO  - 10.3390/ijerph17165977
ER  - 

@article{
author = "Dopsaj, Milivoj and Kukić, Filip and Đorđević-Nikić, Marina and Koropanovski, Nenad and Radovanović, Dragan and Miljuš, Dragan and Subošić, Dane and Tomanić, Milena and Dopsaj, Violeta",
year = "2020-08-18",
abstract = "This study aimed to explore the set of variables related to skeletal muscle mass (SMM) in both sexes, and to create age- and sex-related models of changes in SMM, using the most representative indicator of muscular status. Body composition was assessed in 8733 subjects (♀ = 3370 and ♂ = 5363), allocated into subsamples according to age: 18–29.9, 30–39.9, 40–49.9, 50–59.9, 60–69.9, and 70.0–79.9 years. Nine variables were used: protein mass, protein percent, protein mass index, SMM, percent of SMM, SMM index, fat-free mass, fat-free mass index, and protein/fat index. Univariate and multivariate analysis of variance (ANOVA and MANOVA) were used to determine between- and within-sex difference in all variables by age. Correlation analysis established the relationship between age and muscularity variables. Principal Component Analysis extracted the variables that loaded highest in explaining muscularity, while regression analysis determined the linearity of association between the age and indicators of muscular status. Variables SMMI and PSMM were extracted as the most sensitive to age, with SMMI being gender-independent while showing the parabolic and sinusoidal form of change as function of ageing in males and females, respectively; and PSMM being sex-dependent while showing a linear trend of decrease in both sexes.",
publisher = "Basel : MDPI",
journal = "International Journal of Environmental Research and Public Health",
title = "Indicators of Absolute and Relative Changes in Skeletal Muscle Mass during Adulthood and Ageing",
volume = "17",
number = "16",
pages = "5977",
doi = "10.3390/ijerph17165977"
}

Dopsaj, M., Kukić, F., Đorđević-Nikić, M., Koropanovski, N., Radovanović, D., Miljuš, D., Subošić, D., Tomanić, M.,& Dopsaj, V.. (2020-08-18). Indicators of Absolute and Relative Changes in Skeletal Muscle Mass during Adulthood and Ageing. in International Journal of Environmental Research and Public Health
Basel : MDPI., 17(16), 5977.
https://doi.org/10.3390/ijerph17165977

Dopsaj M, Kukić F, Đorđević-Nikić M, Koropanovski N, Radovanović D, Miljuš D, Subošić D, Tomanić M, Dopsaj V. Indicators of Absolute and Relative Changes in Skeletal Muscle Mass during Adulthood and Ageing. in International Journal of Environmental Research and Public Health. 2020;17(16):5977.
doi:10.3390/ijerph17165977 .

Dopsaj, Milivoj, Kukić, Filip, Đorđević-Nikić, Marina, Koropanovski, Nenad, Radovanović, Dragan, Miljuš, Dragan, Subošić, Dane, Tomanić, Milena, Dopsaj, Violeta, "Indicators of Absolute and Relative Changes in Skeletal Muscle Mass during Adulthood and Ageing" in International Journal of Environmental Research and Public Health, 17, no. 16 (2020-08-18):5977,
https://doi.org/10.3390/ijerph17165977 . .

TY  - JOUR
AU  - Dopsaj, Violeta
AU  - Martinović, Jelena
AU  - Dopsaj, Milivoj
AU  - Kasum, Goran
AU  - Kotur-Stevuljević, Jelena
AU  - Koropanovski, Nenad
PY  - 2013
UR  - http://jakov.kpu.edu.rs/handle/123456789/512
AB  - The aim of this study was to profile hematological, oxidative stress, and immunological parameters in male athletes who practiced combat sports and to determine whether the type of combat sport influenced the measured parameters. Eighteen karate professionals, 15 wrestlers, and 14 kickboxers participated in the study. Hematological, iron-related, oxidative stress, and immunological parameters were measured at the beginning of a precompetitive period. The general linear model showed significant differences between the karate professionals, wrestlers, and kickboxers with respect to their hematological and iron status parameters (Wilks' Lambda = 0.270, F = 2.186, p  lt  0.05) and oxidative stress status (Wilks' Lambda = 0.529, F = 1.940, p  lt  0.05). The immature reticulocyte fraction was significantly higher in wrestlers (0.30 +/- 0.03) compared with kickboxers (0.24 +/- 0.04; p  lt  0.05) and karate professionals (0.26 +/- 0.04; p  lt  0.05). Low hemoglobin density was significantly lower in wrestlers and kickboxers (p  lt  0.05) compared with karate professionals (karate: 3.51 +/- 1.19, wrestlers: 1.95 +/- 1.10, and kickboxers: 1.77 +/- 0.76). Significant differences were observed between the karate professionals and wrestlers with respect to their pro-oxidant-antioxidant balance (437 +/- 103 vs. 323 +/- 148, p  lt  0.05) and superoxide-dismutase activity (SOD) (73 +/- 37 vs. 103 +/- 30, p  lt  0.05). All the measured parameters (with the exception of SOD activity) fell within their physiological ranges, indicating that the study participants represented a young and healthy male population. Hematological parameters differed between kickboxers and karate professionals. The low pro-oxidant-antioxidant balance and high SOD activity in wrestlers could be associated with the long-term impact of wrestling as a type of strenuous exercise.
PB  - Lippincott Williams & Wilkins, Philadelphia
T2  - Journal of strength and conditioning research
T1  - Hematological, oxidative stress, and immune status profiling in elite combat sport athletes
VL  - 27
IS  - 12
SP  - 3506
EP  - 3514
DO  - 10.1519/JSC.0b013e31828ddeea
ER  - 

@article{
author = "Dopsaj, Violeta and Martinović, Jelena and Dopsaj, Milivoj and Kasum, Goran and Kotur-Stevuljević, Jelena and Koropanovski, Nenad",
year = "2013",
abstract = "The aim of this study was to profile hematological, oxidative stress, and immunological parameters in male athletes who practiced combat sports and to determine whether the type of combat sport influenced the measured parameters. Eighteen karate professionals, 15 wrestlers, and 14 kickboxers participated in the study. Hematological, iron-related, oxidative stress, and immunological parameters were measured at the beginning of a precompetitive period. The general linear model showed significant differences between the karate professionals, wrestlers, and kickboxers with respect to their hematological and iron status parameters (Wilks' Lambda = 0.270, F = 2.186, p  lt  0.05) and oxidative stress status (Wilks' Lambda = 0.529, F = 1.940, p  lt  0.05). The immature reticulocyte fraction was significantly higher in wrestlers (0.30 +/- 0.03) compared with kickboxers (0.24 +/- 0.04; p  lt  0.05) and karate professionals (0.26 +/- 0.04; p  lt  0.05). Low hemoglobin density was significantly lower in wrestlers and kickboxers (p  lt  0.05) compared with karate professionals (karate: 3.51 +/- 1.19, wrestlers: 1.95 +/- 1.10, and kickboxers: 1.77 +/- 0.76). Significant differences were observed between the karate professionals and wrestlers with respect to their pro-oxidant-antioxidant balance (437 +/- 103 vs. 323 +/- 148, p  lt  0.05) and superoxide-dismutase activity (SOD) (73 +/- 37 vs. 103 +/- 30, p  lt  0.05). All the measured parameters (with the exception of SOD activity) fell within their physiological ranges, indicating that the study participants represented a young and healthy male population. Hematological parameters differed between kickboxers and karate professionals. The low pro-oxidant-antioxidant balance and high SOD activity in wrestlers could be associated with the long-term impact of wrestling as a type of strenuous exercise.",
publisher = "Lippincott Williams & Wilkins, Philadelphia",
journal = "Journal of strength and conditioning research",
title = "Hematological, oxidative stress, and immune status profiling in elite combat sport athletes",
volume = "27",
number = "12",
pages = "3506-3514",
doi = "10.1519/JSC.0b013e31828ddeea"
}

Dopsaj, V., Martinović, J., Dopsaj, M., Kasum, G., Kotur-Stevuljević, J.,& Koropanovski, N.. (2013). Hematological, oxidative stress, and immune status profiling in elite combat sport athletes. in Journal of strength and conditioning research
Lippincott Williams & Wilkins, Philadelphia., 27(12), 3506-3514.
https://doi.org/10.1519/JSC.0b013e31828ddeea

Dopsaj V, Martinović J, Dopsaj M, Kasum G, Kotur-Stevuljević J, Koropanovski N. Hematological, oxidative stress, and immune status profiling in elite combat sport athletes. in Journal of strength and conditioning research. 2013;27(12):3506-3514.
doi:10.1519/JSC.0b013e31828ddeea .

Dopsaj, Violeta, Martinović, Jelena, Dopsaj, Milivoj, Kasum, Goran, Kotur-Stevuljević, Jelena, Koropanovski, Nenad, "Hematological, oxidative stress, and immune status profiling in elite combat sport athletes" in Journal of strength and conditioning research, 27, no. 12 (2013):3506-3514,
https://doi.org/10.1519/JSC.0b013e31828ddeea . .