Karagjozova, Ivanka

Preferred name

Karagjozova, Ivanka

Official Name

Karagjozova, Ivanka

Main Affiliation

ivanka.karagjozova@medf.ukim.edu.mk

Now showing 1 - 10 of 23

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BIOELECTRICAL IMPEDANCE ANALYSIS IN KARATE ATHLETES: BIA PARAMETERS OBTAINED WITH INBODY720 REGARDING THE AGE
(Faculty of Physical Education, Sport and Health in Skopje, 2016)
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The basic purpose of this paper is to make recognizable analysis of body composition with bioelectrical impedance analyzer, (especially with InBody 720) to the sports scientific public. To fulfill this assignment we would like to present numerous parameters of body composition obtained with InBody 720, in subjects younger than 18 years and older than 18 years, because of fact that this BIA device gives different final result sheets regarding the age limit of 18 years. We investigated 21 karate athletes, members of karate national team of Republic Macedonia, age span from 15 to 22 years. They were divided in two age different groups, up to 18 (U18) and over 18 years old (18+). The final result sheets for person younger than 18 years consists considerably less parameters than for subjects older than 18 years. Comparison of parameters common for both groups showed that U18 karate athletes had significantly lower mean values for following parameters: height (176.8  4.26cm vs. 179.8  5.35cm), body weight (69.05  7.4 kg vs. 77.43  8.71 kg), skeletal muscle mass (35.38  4.43 kg vs. 38.34  2.97 kg) and body mass index, BMI (21.8  1.31 kg/m2 vs. 23.97  2.26 kg/m2) than 18+ karate athletes. Younger athletes also had significantly lower parameters of obesity diagnose: body fat mass (6.73  1.98 kg vs 10.31  5.02 kg) and body fat percent (9.8  2.65% vs. 12.91  5.14%). The data from this paper could allow the health professionals, sport scientists, sport expert and athletes to get useful information about plenty of parameters of body mass analysis obtained with bioelectrical impedance analyzer.
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BODY COMPOSITION RELATED TO BODY MASS INDEX AMONG YOUNG ELITE FOOTBALL PLAYERS
(Medical faculty, Ss Cyril and Methodius University in Skopje, 2017)
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Abstract Introduction. Body composition is extremely important for athletes’ performance, thus assessment tools may be used to clarify their sports condition. The aim of the study was to investigate body composition measurements and maximal oxygen consumption related to body mass index (BMI) in young elite football players. Material and methods. A total of 29 young football players were divided into 3 groups related to the value of BMI: I group (n=8); II group (n=13); and III group (n=8). The subjects were submitted to the sub-maximal pulse approach on treadmill method (SchillerAg, MTM-1500 Bear, Switzerland) to measure VO 2max (ml/kg/min). A body composition analyzer (InBody720, Biospace Co, Seoul, Korea) was used to determine the body fat - BF (%), skeletal muscle - SM (%) and total body water – TW(L) including intracellular body water – ICW(L) and extracellular body water – ECW(L). For the statistical analysis, a t-test was performed upon which the significance for p<0.05 was considered. Results. The football players showed the highest VO 2 max value in the II group (p<0.05). BF showed increased value in the III group (p<0.02). SM did not show any significant difference between the groups. Body water composition showed no statistical significance. Conclusion. Due to our results, we may conclude that certain parameters may determine the condition of young athletes in order to select appropriate training procedures, proper diet, and personalized performance. Key words: football; body mass index; body composition.
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The resting metabolic values related to different sport disciplines
(Faculty of Physical Education, Sport and Health, Skopje, Republic of Macedonia, 2022)
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Abstract Athletes compared to physically inactive people have a higher percentage of muscle mass which is a result of their active lifestyle. Higher percentage of muscle mass contributes to higher value of resting metabolic rate (RMR) in athletes. The aim of this study is to compare the values of resting metabolic rate in different sports disciplines which will give us a general knowledge of the energy expenditure in different sports. A number of 79 male athletes from 4 different sports (handball, football, cycling and functional fitness) were included in this study. Bioelectrical analisator In Body 720, Great Britain was used for body composition analysis and indirect calorimeter Fit Mate, COSMED, (Italy) for resting metabolic rate. All participants completed questionnaires for their medical history and physical activity. The results showed that handball players have significantly higher values of height, weight and skeletal muscle mass compared to the other sports (p<0,05), while percentage of body fat was lowest among football players. Handball players have higher values for RMR compared to the other sports, but have statistically different values only compared to cyclists. Cyclists have significantly lower values for RMR compared to the other sports (p<0,05). Because RMR has a major impact on total daily energy expenditure (TDEE) we come to the conclusion that handball players have higher TDEE and they need a balanced nutritional regimen that will provide all required nutrients, preferably with a higher caloric rate. Key words: athletes; resting metabolic rate; energy expenditure
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COMPARISONS AND CORRELATIONS OF THE ELECTROCARDIOGRAPHY CHANGES REGARDING THE FUNCTIONAL FEATURES BEFORE, DURING AND IMMEDIATELY AFTER THE TREADMILL TEST WITH ATHLETES
(Faculty of Physical Education, Sport and Health in Skopje, 2019)
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The need for cardiovascular screening in order to timely detect and diagnose the morphological and functional changes of the heart, which occur as a result of doing sport actively, and thus to avoid the occurrence of sudden cardiac death, is generally accepted. To achieve the objectives of the study, two noninvasive diagnostic methods for cardiovascular evaluation were used: electrocardiography (ECG) and the Bruce protocol test. The purpose of this study was to determine and examine the relationship of ECG changes to functional characteristics before, during, and/or immediately after exercise testing. This crosssectional study conducted during 2016/2017 involved 285 athletes aged 9 to 38, of both sexes. They were all given a 12-channel electrocardiogram (ECG) at rest, after which personal, family and sports history and anamnesis were given, followed by a Bruce protocol test and functional parameters were examined (symptoms, metabolic equivalents, METs, test duration, exercise capacity-VO2 max, rhythm disturbance, heart rate, heart rate reserve and recovery, chronotropic incompetence (CI), systolic and diastolic blood pressure). According to ECG changes and in accordance with international recommendations for its interpretation, athletes were divided into 4 groups: with normal, physiological, borderline or abnormal ECG findings. The results showed a significant positive connection between abnormal ECG and the occurrence of rhythm disturbance during the exercise test (r = 0.119; p = 0.045); Cardiovascular capacity expressed in (METs) compared to respondents with normal ECG was significantly higher in those with physiological ECG changes (p = 0.003), HR reserve percentage was lowest among athletes with abnormal ECG, and CI had the highest percentage. It can be concluded that an athlete with borderline, abnormal, and possibly physiologically assessed ECG should undergo further evaluation.
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THE SIGNIFICANCE OF THE ELECTROCARDIOGRAPHIC SCREENING USED IN PREVENTION AND DETECTION OF PATHOLOGICAL CHANGES IN HEARTS OF ATHLETES
(Faculty of Physical Education, Sport and Health, Skopje, Republic of Macedonia, 2022)
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Abstract Changes in the structure and function of the heart that occur as a result of engaging in professional amateur training can be detected in a timely manner by using 12-channel electrocardiography (ECG) as one of the non-invasive methods used for cardiovascular screening in athletes.. The aim of the study is to promptly detect and diagnose cardiovascular conditions that can cause sudden cardiac death in athletes. In this prospective cross-sectional study conducted during 2016/2017, 285 examinees-athletes aged 9-38 years of both sexes were included (62,1% men and 37,9% women). An ECG was performed on all of them and a personal, sports and family history was taken. According to the ECG changes and in accordance with international recommendations for its interpretation, the examinees were divided into 4 groups. The results showed that physiological changes in the ECG were found in 51,9% of examinees, borderline changes in the ECG in 21,4%, while abnormal in 7,7%. Due to the possibility of timely identification and detection of heart changes due to physical activity or congenital, and could cause sudden cardiac death, the use of 12-channel electrocardiography is necessary in the evaluation of athletes. Key words: electrocardiography, sudden cardiac death, screening for cardiovascular disease, athletes
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Correlation of electrographic changes with sport activity characteristics and certain anthropometric characteristics in athletes.
(Faculty of Medicine, University, Ss. Cyril and Methodius in Skopje, 2019)
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Changes in left ventricular function after coronary artery bypass grafting in patient with left ventricular dysfunction
(Medical Faculty, Ss. Cyril and Methodius University in Skopje, 2020)
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Sokarovski, Marjan
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ANTHROPOMETRICAL PARAMETERS OF OBESITY IN MACEDONIAN URBAN CHILDREN AGED 13-15 YEARS OLD
(Medical faculty, Ss Cyril and Methodius University in Skopje, 2015)
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MORPHOLOGICAL CHANGES OF THE HEART AS A RESULT OF VARIOUS FORMS OF PHYSICAL EXERTION
(Anthropological Society of Serbia / Antropolos ko drus tvo Srbije, 2025)
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Introduction. As a result of regular physical activity/physical training, i.e. long-term participation in sports, changes in the structure and function of the heart occur, more commonly known as cardiac remodeling. Materials and Methods. The sample comprised 285 athletes of both sexes between the ages of 9 to 38. Anthropometric parameters (gender, age, height, weight) were determined, a personal and sports history was taken, and a 12- lead electrocardiogram (ECG) was performed in the group of studied athletes. In 54 subjects with ECG changes, 2D transthoracic echocardiography was performed. Results. Longer duration of resistance training throughout the week was statistically significantly associated with: greater left atrial (LA) internal dimension (r = 0.359, p = 0.008), greater indexed LA volume (r = 0.315, p = 0.020), lower LA ejection fraction (r = -0.380, p = 0.005), greater left ventricular (LV) internal dimension in systole (r = 0.336, p = 0.013), greater interventricular septal and posterior wall thickness in diastole (r = 0.399; p = 0.003; r = 0.347, p = 0.010; respectively), as well as a greater indexed LV mass (r = 0.326, p = 0.016; going to the gym and lifting heavier weights was shown to be associated with: greater internal dimension of the LA (r = 0.322,p = 0.018), greater internal dimension of the right atrium (RA) (r = 0.322,p = 0.018 and greater thickness of the interventricular septum and posterior wall in diastole (r = 0.272; p = 0.004; r = 0.397,p = 0.003).
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Correlations of electrocardiographic changes in terms of anthropometric characteristics in athletes in the Republic of North Macedonia
(Anthropological Society of Serbia, 2023)
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Electrocardiographic (ECG) changes in athletes occur due to structural, functional and electric remodeling of the heart, as a direct result of their long-term engagement in sporting activities. The objective of this study was to establish a potential correlation of changes in the ECG pertaining to certain anthropometric characteristics. In this prospective cross-sectional study, conducted during 2016 and 2017, 285 athletes aged between 9 and 38 of both sexes were included. Anthropometric characteristics were determined on all the athletes alongside a 12-lead ECG. The average age of the respondents was 19.3±5.7. No significant correlation between the ECG characteristics and the athletes’ age was found (r = -0,009, p = 0,880). There was no significant difference in the percentage of borderline and abnormal changes of ECG in terms of sex, even though they were marginally higher in male athletes. The correlation research has shown that a normal ECG significantly correlates with females (r = -0,205, p = 0,001). The athlete subjects who had a normal ECG had a significantly shorter body height and marginally lower body weight compared to those with physiological changes in the ECG. The changes in ECG are related to the body height, weight and sex, which are most probably due to the lesser range of heart remodeling, as well as the rate of participation in sports that can contribute to ECG changes.

Karagjozova, Ivanka

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