Emilija Petkovic

University of Nis | NIS · Department of Sport and Physical Education

Background: The aim of this research is to investigate the associations between physical activity and mental health parameters (depression, anxiety, and stress) among women who have recovered from COVID-19; Methods: This research involved two measurements: the initial test, conducted 2-to-4 weeks post-COVID infection, and the final test, performed...

Background: The aim of the research is to explore the relationship between psychological factors and nutritional status in adolescence. The issue of adolescent nutrition is related to several psychological problems, as well as to developmental changes during this period. Research on body image dissatisfaction has confirmed that most adolescents are...

(1) Background: This case study analyzed the successful performances of female gymnasts in the finals of the 39th and 40th World Cup in Maribor (SLO). The aim was to identify variations in their execution of the Clear Hip Circle to Handstand (CHCH) on uneven bars based on kinematic parameters. (2) Methods: This study involved elite female gymnasts...

The aim of the research was to determine whether regular physical education classes in combination with additional training in sports gymnastics lead to statistically significant changes in morphological characteristics, motor and functional abilities. The sample of participants consisted of 65 male fifth-grade students aged 11 years (± 0.5 years)....

The subject of the work is the previous research on the uneven bars. The goal is to systematize the collected research in this discipline, with an analysis of what has been achieved in the scientific and professional part. 30 papers from electronic databases or unpublished publications were collected. Of these, 24 papers were commented with the aim...

The aim of this study was to conduct a systematic review of research that investigates coordination abilities in basic individual sports, such as athletics, gymnastics, climbing, and swimming. The relevant sports that have a process of identifying very young talents are precisely these basic individual sports. The following electronic databases wer...

(1) Introduction: This research was conducted with the aim of assessing whether an alternative physical education (PE) program could effectively substitute for the traditional PE curriculum and aid in accomplishing the essential goals and objectives of PE among younger elementary school children. (2) Materials and Methods: This longitudinal 6-month...

(1) Background: Asymmetry in gait could pose a problem for patients with transfemoral amputation, due to a higher risk for secondary comorbidities. Gait analysis during ascending and descending stairs (20 stair ascends and descends) was conducted in a patient with a unilateral transfemoral amputation and integrated neural sensory feedback (NSFB), w...

Background: It is crucial to evaluate children’s motor coordination and strength to identify possible motor deficits on the right or left side of the body. However, whether a distinction exists in children aged 3–6 must be clarified. The goal of the current research was to investigate the differences in motor skills between preschool boys and girls...

The aim of this research is to determine the influence of the sports gymnastics program on the motor skills of male students. The research hypothesis is that a 15-week gymnastics training program will have positive influence on the motor skills of male students. The research was conducted on a sample of 54 male students aged 20-22 years ± 6 months....

Objective: The purpose of this study is a comparison of skeletal muscle characteristics in Slovenian gymnasts assessed by TMG and values of contraction properties of muscles, lateral symmetries, and the effect of aging on selected contraction properties of skeletal muscles in men's artistic gymnastics (MAG); women's artistic gymnastics (WAG) and rh...

(1) Background: Shooting performance is one of the most important determinants of basketball success and is strongly influenced by vertical jump performance. A lot of research attention has been paid to training programs that may improve the vertical jump. However, the literature regarding the improvement of accuracy during the jump shot is limited...

The primary aim of this study was to quantify the relationship between body composition variables and explosive power performance in female adolescent football players. A secondary aim was mesure the influence of body composition on explosive power in female adolescent football players. A cross-sectional study included sixteen female adolescent foo...

Introduction: The purpose of this study was to determine the normative values of muscles’ contractile properties, lateral symmetry, and the impact of aging on muscle contractility in gymnastics. Materials and Methods: A survey of 81 athletes from different disciplines was undertaken: MAG (n = 26), WAG (n = 28), and RG (n = 27). The athletes’ averag...

The aim of this study was to determine whether there is a connection between body composition and strength in physically active women and whether the parameters of body composition are reliable enough when it comes to muscle strength? The following scientific databases were used to search the literature: PubMed, MEDLINE, Google Scholar in the perio...

Abstract: The specificity of learning motor movements in artistic gymnastics is the state in which the action should be performed automatically, in order to reduce or minimize the risk of unsuccessful performance. Properly learned floor exercises requires technically correct movement, which is provided by the FIG Regulations for a given disciplin...

Due to its appeal, sport has always been in the service of various social fields, both in a negative and a positive sense. A sedentary lifestyle has become noticeably dominant among students. The most frequent external barrier for taking part in physical activities among the student population is a lack of time due to their schedules or due to fami...

This study purpose was to determine the level of motor competence and differences in motor skills of preschool girls aged 5 to 7 from Serbia according to participation in organized physical activities. Materials and methods. Ninety-one girls aged 5-7 years (mean ± 6.4) were divided into three subsamples: control group, rhythmic gymnastics and spo...

Background. Today, it is very speculative to talk about the percentage of obese children in the world because these figures change significantly from day to day, and there are even significant differences between respondents in the same country, according to geographical area and place of residence. A constant decline in the level of physical activ...

Bacanje kladiva je motorički vrlo kompleksna bacačka disciplina sa manifestacijom više različitih sila koje nastoje da onemoguće rotaciono kretanje sprave i bacača u projektovanoj sagtalnoj ravni. Kinematički parametri su jedan od segmenata u analizi atletskih disciplina, uključujući i bacanje kladiva. Cilj studije bio je da se utvrde prostorne i v...

Hammer throw is motor-wise an extremely complex throwing discipline with the manifestation of several different forces that impede the rotational movement of the device and the thrower in the projected sagittal plane. Kinematic parameters are one of the segments when analyzing athletic disciplines, including hammer throw. This study aims to determi...

The aim of this research was to determine the difference in the level of physical activity (PA) in students of four faculties of the University of Niš whose curricula do not include physical education (PE) classes. The PA level was evaluated using a questionnaire for the self-evaluation of PA (IPAQ-long form). The research included students of the...

Background: Studying the differences of relative age and relation to selected anthropometric parameters that occur in adolescents, it was concluded that other social, economic and psychological factors influence the phenomenon whose significance should be reduced. Objective: The aim of the study was to determine how much adolescents differ in cert...

The subject sample was composed of N=293 gymnasts who competed at the 49th FIG Men's Senior Artistic Gymnastics World Championships (Stuttgart, GER) and N=134 gymnasts who competed at the 1st FIG Men's Junior Artistic Gymnastics World Championships (Gyor, HUN). This study aimed to determine the differences between the two age groups of gymnasts (ju...

The aim of this study was to analyze the somatotypes of top young race walkers in Europe. For the analysis of their somatotype, the Heath-Carter method was used. By applying digital anthropometry and computer programs, the somatotypes of 44 participants aged 15 to 17, sports walkers of both genders (21 boys and 23 girls), were determined. Based on...

The aim of this of systematic review paper is to determine whether there is a correlation between the level of nutrition and cardiorespiratory fitness in the student population. The collected papers date from the period between 2000 and 2018. The sample included both male and female students with different levels of nutrition. The analyzed studies...

The aim of the research was to determine the relations and influences of coordination on the result in sports climbing in women. The research was conducted on a sample of 11 female participants, aged 16±1.55 years, participants of the Youth World Cup in Arco-Italy 2015. The research was conducted by the use of 3 variables for the estimation of coor...

Optimizing the technique of successful performance is important for detecting different technique styles that occur in female gymnasts. The aims of this research were to define an optimal kinematic model of the Stalder backward to handstand on the uneven bars exercise, as well as factors that most greatly affect the successful performance of the se...

This poster is representation of scientific research that show results of gender differences in body composition of students average age of 21.

The aim of this review paper is to determine significance of scoring or achieving a goal from interruptions during a football match. The collection of research were all published between 2000 and 2018. The following electronic data bases were used to search for the relevant literature: PubMed, MEDLINE, Google Scholar, EBSCO, in the period from 2000...

The aim of this review paper is to determine the significance of game interruptions for scoring a goal during a football match by providing a detailed analysis of the relevant literature. The collection of compiled research articles covered the period between 2000 and 2018. The following electronic databases were used to search the relevant literat...

The aim of this research was to define the optimal kinematic parameters of performance of the Clear hip circle to handstand on uneven bars (KOVT). The optimal kinematic model defined in this case study represents an example of the successful performance of the Clear hip circle to handstand on the uneven bars. The exercise was performed at the 39 th...

The aim of this research was to investigate differences in certain tests of strength in young gymnasts belonging to different age groups which are competing in the “A” and “B” program of the Gymnastics Association of Serbia. The sample of gymnasts was divided into two groups: the first group (n=12, born in 2004-2006), and the second group of gymnas...

The research was carried out on a sample of 26 elite Serbian track and field athletes (age 20.3±4,45yrs; height181±7,81cm; weight 73,7±14,15kg, BMI 22,4±3,21kg/cm²), 13 swimmers (age 17±2,47yrs; height 178,3±8,24cm; weight 68,7±11,03kg; BMI 21,5±1,98kg/m²) and 30 students of the Faculty of Sport and Physical Education in Niš (age 20,3±0,13yrs; heig...

The aim of this research was to determine the influence of motor skills on the results of the high jump straddle technique among elementary school students. The research was carried out on a sample of 39 sixth-graders by using 12 measuring instruments to evaluate motor skills (3 for the evaluation of power, 3 for the evaluation of speed, 3 for the...

The aim of this study is to determine the differences between the medallists and non-medallists in male and female artistic gymnastics at the Olympic Games from 1996 to 2016. Basic procedures: Data concerning the athletes were obtained from the “Official documents of the International Olympic Committee” which include the athlete’s date of birth and...

The paper subject are motor skills of adolescent judokas and gymnasts from District of Niš. The aim of this study was to determine differences in the studied variables of speed and strength between two sports schools. The total sample of subjects who participated in the study is 23 gymnast and 34 judoist with sports experience of two years, and the...

The monograph presents an overview of the latest findings and research on the coordination abilities of young athletes - gymnastics. The author's determination to carry out this research was explained by the fact that the accelerated development of human society is clearly manifested in all areas of life and is particularly pronounced in the field...

The aim of this study was to review and summarizing published studies to determine which morphological characteristics and motor abilities are characterized by high jumpers that can or has already achieved significant results in this athletic discipline. Based on the obtained information morfo‐motor profile of hihg jumpers is constructed. By analys...

The aim of this research was to determine a relation between motor abilities on the results of the practical exam in Artistic gymnastics. A sample was femail students (n=41; mean ± SD age: 21 ± 6) why attended Artistic gymnastic course on the six semester at the academic year of 2013/14. in Sports science Faculty at the University of Niš. Motoric a...

In many sports somatotype components are not homogeneous, not even in the groups that were singled out by the quality. There were significant differences within the same sport and in terms of the playing position. This is especially reflected in ball sports, team sports, while in individual groups somatotypes were becoming more homogeneous as a hig...

The aim of subject was 172 karate players 11 years old from region of Raska. his research presents the results of the respondents involved in the educational process in schools and training process in karate clubs. The experimental treatment was applied upon the completion of the initial check, and included a program that contains the program conte...

Introduction: Balance is an important factor for success in many sports, but in gymnastics, it is one of the most important factors for success, because even a minimal distortion of stability affects the final score. There is little research linking the ability of balance to success in the execution of complex gymnastic elements and gymnastics comp...

This study aims to determine whether a physical preparation experimental program, which was implemented over a five-month period, had positive influence on the motor skills of soldiers. The aim of the research is to examine the existence of statistically significant differences in the level of motor skills between the initial and final measuring an...

Pulse (HR) and lactate level (LA), are used for assessment of the acute stress level during activity, that is skiing. Six health, female students were subject (21.9±1.8 years) of this research. Intermediate level skiers are able to perform short and long radii turns on prepared terrains. Data on the heart rate were collected at the end of each run...

The aim of this research was to assess the size and shape of the chest in students and top athletes. The research involved 23 first-year students of the Faculty of Sport and Physical Education, and 23 top athletes of the Athletic Federation of Serbia. The digital images of the frontal trunk aspect were made and further analyzed in ImageJ program. T...

The aim of this paper was to explain the use of mental imagery and visualization in sport climbing training. Sport climbers use two types of visualization: disassociated and associated. Visualization can be used in the following climbing activities: preprogramming a redpoint ascent, preparing for an on-sight ascent, preparing for competition and cl...

Plan and prepare physical training program covers a period of sixty days, and the landmark was preparing to start the calendar contest. Preparation period solves the largest part of the job or the basis without which it cannot go forward, and the quality and validity of our work will mark a little later. Physical preparation is only part of the ove...

Skiing as a recreational activity has an important impact on the health status of the candidate, if done in appropriate circumstances and under the control of experts, in terms of volume and intensity of load. Certainly the scope and intensity of loads must be appropriate skills of participants as well as by their needs and interests in relation to...

Ski running is an activity of mobility, where a skier uses different running techniques which mostly depends on the configuration of the terrain. This way of walking demands a high level of mobile and functional capabilities, cardio-vascular and respiratory systems. While training, and later in the process of advanced training, one can use differen...

Ski running developed much faster in Nordic countries, and this is why this discipline belongs to Nordic's disciplines. It is characteristic for this discipline that great level of oxygene is released, the strength of legs, arms, shoulder parts, backs and abdomen are very important because they are working all the time at the high est intensity. Sk...