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Prof. Patrik Drid
University of Novi Sad, Faculty of Sport and Physical Education

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Research Keywords & Expertise

1 Exercise Physiology
1 Judo
1 Martial Arts
1 Combat Sports
1 Sambo

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Journal article
Published: 07 August 2021 in International Journal of Environmental Research and Public Health
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Although absolute jump heights should be considered an important factor in judging the performance requirements of volleyball players, limited data is available on age-appropriate categories. The purpose of this study is to determine the differences in specific anthropometric characteristics and jumping performance variables in under−19 female volleyball players in relation to playing position and performance level. The sample of subjects consisted of 354 players who prepared for the U19 Women’s Volleyball European Championship 2020 (17.4 ± 0.8 years, 1.81 ± 0.07 m, 67.5 ± 7.1 kg). Playing positions analyzed were setters (n = 55), opposites (n = 37), middle blockers (n = 82), outside hitters (n = 137), and liberos (n = 43). The results showed player position differences in every performance level group in variables of body height, spike, and block jump. Observed differences are a consequence of highly specific tasks of different positions in the composition of the team. Players of different performance levels are significantly different, with athletes of higher-ranked teams achieving better results. The acquired data could be useful for the selection and profiling of young volleyball players.

ACS Style

Suncica Pocek; Zoran Milosevic; Nemanja Lakicevic; Kristina Pantelic-Babic; Milka Imbronjev; Ewan Thomas; Antonino Bianco; Patrik Drid. Anthropometric Characteristics and Vertical Jump Abilities by Player Position and Performance Level of Junior Female Volleyball Players. International Journal of Environmental Research and Public Health 2021, 18, 8377 .

AMA Style

Suncica Pocek, Zoran Milosevic, Nemanja Lakicevic, Kristina Pantelic-Babic, Milka Imbronjev, Ewan Thomas, Antonino Bianco, Patrik Drid. Anthropometric Characteristics and Vertical Jump Abilities by Player Position and Performance Level of Junior Female Volleyball Players. International Journal of Environmental Research and Public Health. 2021; 18 (16):8377.

Chicago/Turabian Style

Suncica Pocek; Zoran Milosevic; Nemanja Lakicevic; Kristina Pantelic-Babic; Milka Imbronjev; Ewan Thomas; Antonino Bianco; Patrik Drid. 2021. "Anthropometric Characteristics and Vertical Jump Abilities by Player Position and Performance Level of Junior Female Volleyball Players." International Journal of Environmental Research and Public Health 18, no. 16: 8377.

Journal article
Published: 29 June 2021 in International Journal of Environmental Research and Public Health
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Elite judo athletes undergo vigorous training to achieve outstanding results. In pursuit of achieving competitive success, the occurrence of injuries amongst judo athletes is not rare. The study aimed to perform a knee flexors and extensors isokinetic torque analysis in elite female judo athletes. Fifty-eight elite female judo athletes of the Serbian national team (21.02 ± 3.11 years; 62.36 ± 11.91 kg, 165.04 ± 10.24 cm, training experience 12.72 ± 2.98 years) volunteered to participate in this study. The range of motion (ROM) was set at 90°. Testing was performed in a concentric-concentric mode for the testing speed of 60 °/s. Five maximal voluntary contractions of knee extensors and knee flexors muscle groups were measured for both legs. The obtained data showed a statistically significant difference in absolute torque values among different categories as heavier athletes demonstrated higher values. Post hoc analysis showed a significant difference between weight categories, as heavier athletes demonstrated higher values, while no significant differences in normalized torque values for different weight categories were observed. The implementation of new elements and training modalities may improve performance and prevent lateral asymmetry, thus reducing the risk of injury.

ACS Style

Wieslaw Blach; Miodrag Drapsin; Nemanja Lakicevic; Antonino Bianco; Tamara Gavrilovic; Roberto Roklicer; Tatjana Trivic; Ognjen Cvjeticanin; Patrik Drid; Maciej Kostrzewa. Isokinetic Profile of Elite Serbian Female Judoists. International Journal of Environmental Research and Public Health 2021, 18, 6988 .

AMA Style

Wieslaw Blach, Miodrag Drapsin, Nemanja Lakicevic, Antonino Bianco, Tamara Gavrilovic, Roberto Roklicer, Tatjana Trivic, Ognjen Cvjeticanin, Patrik Drid, Maciej Kostrzewa. Isokinetic Profile of Elite Serbian Female Judoists. International Journal of Environmental Research and Public Health. 2021; 18 (13):6988.

Chicago/Turabian Style

Wieslaw Blach; Miodrag Drapsin; Nemanja Lakicevic; Antonino Bianco; Tamara Gavrilovic; Roberto Roklicer; Tatjana Trivic; Ognjen Cvjeticanin; Patrik Drid; Maciej Kostrzewa. 2021. "Isokinetic Profile of Elite Serbian Female Judoists." International Journal of Environmental Research and Public Health 18, no. 13: 6988.

Journal article
Published: 15 June 2021 in Exercise and Quality of Life
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The aim of this study was to establish whether there are differences between weight categories in different anthropometric measurements and handgrip strength between elite Serbian male and female sambo athletes divided into weight categories. A total of 70 elite Serbian sambo athletes participated in the study, who were participants of the World Cadet Sambo Championship held in Novi Sad. Athletes are classified into categories according to gender and official weight categories. Using anthropometry, we calculated somatotypes and hand-grip strength. For statistical analysis, we used a one-way analysis of variance and Tukey’s post hoc tests to compare group differences by weight categories. Somatotype analysis shows that a typical somatotype in male sambo athletes was endomorphic mesomorphs. In female groups, the most common somatotype in the lightest categories was mesomorphic ectomorphs, and in the heaviest categories were endomorphic mesomorphs. Examining the handgrip for both left and right hand, as well as in total, shows that there is a statistically significant difference between the categories. In total, the strength of the handgrip increases progressively in groups. In male categories, the difference exists between the first 4 groups and -78kg, as well as between -42kg and -46kg and the heaviest weight category. Differences between weight categories in female athletes were found between the lightest group and last six groups in total, in favor of the last six. Anthropometric measurements revealed a statistically significant difference between weight categories. Mesomorphy was the most dominant somatotype in male categories, while female athletes differed concerning weight category. The achieved results can serve as data to compare the somatotype and handgrip strength of elite sambo athletes on a national and international level. These findings suggest that the handgrip strength and somatotypes are the keys to success in relation to the weight category.

ACS Style

Jelena Slankamenac; Tatjana Trivić; Damjan Jakšić; Miodrag Drapšin; Nemanja Lakićević; Patrik Drid. Somatotypes and handgrip strength analysis of elite Serbian sambo athletes. Exercise and Quality of Life 2021, 13, 5 -12.

AMA Style

Jelena Slankamenac, Tatjana Trivić, Damjan Jakšić, Miodrag Drapšin, Nemanja Lakićević, Patrik Drid. Somatotypes and handgrip strength analysis of elite Serbian sambo athletes. Exercise and Quality of Life. 2021; 13 (1):5-12.

Chicago/Turabian Style

Jelena Slankamenac; Tatjana Trivić; Damjan Jakšić; Miodrag Drapšin; Nemanja Lakićević; Patrik Drid. 2021. "Somatotypes and handgrip strength analysis of elite Serbian sambo athletes." Exercise and Quality of Life 13, no. 1: 5-12.

Case report article
Published: 31 May 2021 in Frontiers in Cardiovascular Medicine
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Background: Papillary fibroelastomas are rare benign heart tumors, and is most likely to involve the cardiac valves. We will present an extremely rare localization of a large Valsalva sinus fibroelastoma, with occasional left coronary artery ostial obstruction presented as an acute coronary syndrome. The tumor was removed surgically and histologically confirmed as papillary fibroelastoma. This review points to the crucial importance of multidisciplinary team decision and multimodality imaging methods for diagnosing the fibroelastoma, determination of size, and localization, which avoided complications of fatal embolization during an invasive procedure. Case Summary: A healthy 55-year-old male with vigorous physical daily training and exercise was admitted to the acute coronary syndrome emergency department. Shortly after admission, expert transthoracic echocardiography was performed. Computed tomography of the chest observed a large irregular hypodense tumor-like lesion in the bulbar aorta that was occasionally prolapsing into the left main coronary artery ostium and which corresponded to fibroelastoma. A few hours after admission, an emergency cardiac surgery was performed with the excision of a Valsalva sinus tumor (size 2 × 2 cm) located between the right and left coronary cusp of the aortic valve. Conclusions: Focus cardiac ultrasound should be performed for any acute coronary syndrome because of the possible Valsalva sinus fibroelastoma etiology. Its localization next to the left main coronary artery ostium is rare, and dangerous. The timely diagnosis can be made by the multimodality imaging method, however, the final diagnosis will be made pathohistologically. Early cardiac surgery may be a necessitated recourse for these patients in order to prevent a fatal outcome.

ACS Style

Snezana Tadic; Aleksandra Ilic; Maja Stefanovic; Anastazija Stojsic-Milosavljevic; Tanja Popov; Marija Bjelobrk; Aleksandra Milovancev; Nebojsa Maksimovic; Patrik Drid. Case Report: Multimodality Imaging as a Lifeline for Fatal Localization of Valsalva Sinus Fibroelastoma. Frontiers in Cardiovascular Medicine 2021, 8, 1 .

AMA Style

Snezana Tadic, Aleksandra Ilic, Maja Stefanovic, Anastazija Stojsic-Milosavljevic, Tanja Popov, Marija Bjelobrk, Aleksandra Milovancev, Nebojsa Maksimovic, Patrik Drid. Case Report: Multimodality Imaging as a Lifeline for Fatal Localization of Valsalva Sinus Fibroelastoma. Frontiers in Cardiovascular Medicine. 2021; 8 ():1.

Chicago/Turabian Style

Snezana Tadic; Aleksandra Ilic; Maja Stefanovic; Anastazija Stojsic-Milosavljevic; Tanja Popov; Marija Bjelobrk; Aleksandra Milovancev; Nebojsa Maksimovic; Patrik Drid. 2021. "Case Report: Multimodality Imaging as a Lifeline for Fatal Localization of Valsalva Sinus Fibroelastoma." Frontiers in Cardiovascular Medicine 8, no. : 1.

Review
Published: 31 May 2021 in Medicina
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Even though scientific literature shows numerous heath complications and performance decrements associated with rapid weight loss (RWL), its prevalence remains exceedingly high across various combat sports. The aim of this study was to thoroughly search the existing literature to explore the influence of RWL on kidney function in Olympic and non-Olympic combat sport athletes. PubMed and Web of Science were searched for the relevant studies. Only original articles published from 2005 onwards, written in English, that included healthy males and females who prompted ~5% weight loss within a week or less, were included in the study. Retrieved studies showed that creatinine, blood urea nitrogen and urine specific gravity values were significantly increased after RWL in the majority of the included studies. This observation indicates that RWL caused dehydration and subsequent acute kidney damage despite various degrees of weight lost during the RWL phase, which can lead to adverse events in other body systems. Alternative methods of weight reduction that prioritize athletes’ health should be considered.

ACS Style

Nemanja Lakicevic; Antonio Paoli; Roberto Roklicer; Tatjana Trivic; Darinka Korovljev; Sergej Ostojic; Patrizia Proia; Antonino Bianco; Patrik Drid. Effects of Rapid Weight Loss on Kidney Function in Combat Sport Athletes. Medicina 2021, 57, 551 .

AMA Style

Nemanja Lakicevic, Antonio Paoli, Roberto Roklicer, Tatjana Trivic, Darinka Korovljev, Sergej Ostojic, Patrizia Proia, Antonino Bianco, Patrik Drid. Effects of Rapid Weight Loss on Kidney Function in Combat Sport Athletes. Medicina. 2021; 57 (6):551.

Chicago/Turabian Style

Nemanja Lakicevic; Antonio Paoli; Roberto Roklicer; Tatjana Trivic; Darinka Korovljev; Sergej Ostojic; Patrizia Proia; Antonino Bianco; Patrik Drid. 2021. "Effects of Rapid Weight Loss on Kidney Function in Combat Sport Athletes." Medicina 57, no. 6: 551.

Psychology
Published: 26 May 2021 in Frontiers in Psychology
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Background: The COVID-19 pandemic has changed the way we conduct daily life, as well as sports training and sports competitions. Given the stress produced by COVID-19, and the “bubble” safety measures for the World Sambo Championship, held in Novi Sad, from the 6th to the 8th of November, 2020, athletes might have experienced more stress than athletes normally would in non-pandemic conditions. Therefore, the current study aimed to create a psychological profile of sambo athletes participating in the Sambo World Championship and living in this condition. Methods: One-hundred-fifteen participants took part in the study, completing the Profile of Mood Scale (POMS), the Pittsburg Sleep Quality Index, the Perceived Stress Scale (PSS), and the Fear of COVID-19 Scale. A mediation model with Fear of COVID-19 predicting both stress level directly and stress level through mood disturbance was hypothesized. Gender differences were evaluated through t-test. Results: The results showed that the sample presented higher levels of stress but no problems in sleeping. In particular, data analysis confirmed an indirect effect of Fear of COVID on Perceived stress through mood disturbance (β = 0.14, Z = 2.80, and p = 0.005), but did not have a significant impact on the direct effect (β = −0.04, Z = −0.48, and p = 0.63). Gender differences emerged in the perceived stress level (t = −2.86, df = 114, and p = 0.005) and daytime dysfunction (t = −2.52, df = 114, and p = 0.01) where females scored higher than males for both aspects. Conclusion: The athletes participating to the World Sambo Championship experienced stress levels determined by the mood disturbance produced by the fear of the COVID-19 pandemic. Female athletes were more stressed and showed higher daytime dysfunction. The findings of the current study are useful to understand the psychological profile of the athletes competing in the “bubble” conditions during COVID-19 pandemic.

ACS Style

Ambra Gentile; Tatjana Trivic; Antonino Bianco; Nemanja Lakicevic; Flavia Figlioli; Roberto Roklicer; Sergey Eliseev; Sergey Tabakov; Nebojsa Maksimovic; Patrik Drid. Living in the “Bubble”: Athletes' Psychological Profile During the Sambo World Championship. Frontiers in Psychology 2021, 12, 657652 .

AMA Style

Ambra Gentile, Tatjana Trivic, Antonino Bianco, Nemanja Lakicevic, Flavia Figlioli, Roberto Roklicer, Sergey Eliseev, Sergey Tabakov, Nebojsa Maksimovic, Patrik Drid. Living in the “Bubble”: Athletes' Psychological Profile During the Sambo World Championship. Frontiers in Psychology. 2021; 12 ():657652.

Chicago/Turabian Style

Ambra Gentile; Tatjana Trivic; Antonino Bianco; Nemanja Lakicevic; Flavia Figlioli; Roberto Roklicer; Sergey Eliseev; Sergey Tabakov; Nebojsa Maksimovic; Patrik Drid. 2021. "Living in the “Bubble”: Athletes' Psychological Profile During the Sambo World Championship." Frontiers in Psychology 12, no. : 657652.

Journal article
Published: 11 May 2021 in BMC Neuroscience
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Background The Grooved Pegboard Test (GPT) is widely adopted to evaluate manual dexterity, it presents normative data but the test is influenced by different factors. The influence of time spent on smartphones has not been considered before, for this reason, the objective of this study was to evaluate if smartphone use influences the time to complete the GPT. A total of 38 (21 women; 17 men) young adults 20.7 (1.5) years participated in the study. The time spent on the smartphones during the last seven days was recorded through the device itself and the GPT performance was measured. A correlation analysis between the time spent on the smartphone and GPT was performed while the t-test was adopted to evaluate gender differences. Results No statistically significant differences were detected between men and women in the time to complete the GPT (p = 0.20) and in the time spent on the smartphone (p = 0.87). The GPT and the time spent using the smartphone were not correlated (r = 0.044, p = 0.78). Conclusion The time spent on the smartphone by young adults does not influence the time to complete the GPT, indicating that smartphone use does not influence measures of manual dexterity.

ACS Style

Luca Petrigna; Milda Treigienė; Ewan Thomas; Diba Mani; Simona Pajaujiene; Patrik Drid; Gioacchino Lavanco; Antonio Palma; Antonino Bianco. Time spent on the smartphone does not relate to manual dexterity in young adults. BMC Neuroscience 2021, 22, 1 -5.

AMA Style

Luca Petrigna, Milda Treigienė, Ewan Thomas, Diba Mani, Simona Pajaujiene, Patrik Drid, Gioacchino Lavanco, Antonio Palma, Antonino Bianco. Time spent on the smartphone does not relate to manual dexterity in young adults. BMC Neuroscience. 2021; 22 (1):1-5.

Chicago/Turabian Style

Luca Petrigna; Milda Treigienė; Ewan Thomas; Diba Mani; Simona Pajaujiene; Patrik Drid; Gioacchino Lavanco; Antonio Palma; Antonino Bianco. 2021. "Time spent on the smartphone does not relate to manual dexterity in young adults." BMC Neuroscience 22, no. 1: 1-5.

Case report
Published: 27 April 2021 in Journal of International Medical Research
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In this open-label case series trial, we evaluated the effects of a nitrate-based nutritional formula on oxygen saturation (SpO2) and patient-reported outcomes in individuals with coronavirus disease 2019 (COVID-19). Five adult patients (three men and two women, age 39.6 ± 6.9 years) with a positive COVID-19 test result, breathing difficulties, and SpO2 ≤95%, who were free from other pulmonary and cardiovascular conditions, were recruited for this study. Participants were assigned to receive a multi-component nutritional formula (containing 1200 mg of potassium nitrate, 200 mg of magnesium, 50 mg of zinc, and 1000 mg of citric acid) every 4 hours during the 48-hour monitoring period. In all participants, SpO2 improved immediately after administration of the nutritional formula, from 1 to 7 percentage points (mean increase 3.6 ± 2.7 points; 95% confidence interval 0.3 to 7.0). SpO2 remained above baseline values throughout the monitoring interval, with values persisting over threshold values (>92%) for all patients and at each time point during the 48 hours. No patients reported any side effects of the intervention. These promising and rather unexpected results call for immediate, well-sampled, mechanistic randomized controlled trials to validate our findings.

ACS Style

Sergej M. Ostojic; Aleksandra Milovancev; Patrik Drid; Alexandros Nikolaidis. Oxygen saturation improved with nitrate-based nutritional formula in patients with COVID-19. Journal of International Medical Research 2021, 49, 1 .

AMA Style

Sergej M. Ostojic, Aleksandra Milovancev, Patrik Drid, Alexandros Nikolaidis. Oxygen saturation improved with nitrate-based nutritional formula in patients with COVID-19. Journal of International Medical Research. 2021; 49 (4):1.

Chicago/Turabian Style

Sergej M. Ostojic; Aleksandra Milovancev; Patrik Drid; Alexandros Nikolaidis. 2021. "Oxygen saturation improved with nitrate-based nutritional formula in patients with COVID-19." Journal of International Medical Research 49, no. 4: 1.

Review
Published: 20 April 2021 in Aging Clinical and Experimental Research
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Aging and menopause are associated with morphological and functional changes which may lead to loss of muscle mass and therefore quality of life. Resistance training (RT) is an effective training mode to increase muscle mass. We reviewed the existing literature to identify studies implementing RT protocols and evaluating muscle hypertrophy exclusively in healthy, postmenopausal and elderly women. Participants’ age range was comprised between 50 and 80 years. The primary outcome observed was muscle hypertrophy. Fat mass was also evaluated, if available. PubMed and Web of Science were the screened database, and original articles written in English and published from 2000 up to 2020 were included. 26 articles were considered eligible and included. Quality assessment revealed a “moderate quality” of the included studies, however the majority of studies was able to reach level 4 of evidence and on overall grade of recommendation C. In total, data from 745 female participants subjected to different forms of resistance training were considered. Heterogeneity across studies was present regarding study design, intervention length (mean 16 weeks), training frequency (3 d/w), no. of exercises (n = 7.4) and participants’ age (65.8 ± 4.9 years). Small-to-moderate significant increases (k = 43; SMD = 0.44; 95% CI 0.28; 0.60; p < 0.0001) of lean body mass were observed in post-menopausal and elderly women, regardless of age, intervention period, weekly training frequency and no. of exercises. No effects were noted for fat mass (k = 17; SMD = 0.27; 95% CI − 0.02; 0.55; p = 0.07). Studies need to concentrate on providing information regarding training parameters to more effectively counteract the effects of aging and menopause on skeletal muscle mass.

ACS Style

Ewan Thomas; Ambra Gentile; Nemanja Lakicevic; Tatiana Moro; Marianna Bellafiore; Antonio Paoli; Patrik Drid; Antonio Palma; Antonino Bianco. The effect of resistance training programs on lean body mass in postmenopausal and elderly women: a meta-analysis of observational studies. Aging Clinical and Experimental Research 2021, 1 -12.

AMA Style

Ewan Thomas, Ambra Gentile, Nemanja Lakicevic, Tatiana Moro, Marianna Bellafiore, Antonio Paoli, Patrik Drid, Antonio Palma, Antonino Bianco. The effect of resistance training programs on lean body mass in postmenopausal and elderly women: a meta-analysis of observational studies. Aging Clinical and Experimental Research. 2021; ():1-12.

Chicago/Turabian Style

Ewan Thomas; Ambra Gentile; Nemanja Lakicevic; Tatiana Moro; Marianna Bellafiore; Antonio Paoli; Patrik Drid; Antonio Palma; Antonino Bianco. 2021. "The effect of resistance training programs on lean body mass in postmenopausal and elderly women: a meta-analysis of observational studies." Aging Clinical and Experimental Research , no. : 1-12.

Journal article
Published: 14 April 2021 in BMC Sports Science, Medicine and Rehabilitation
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Background Rapid weight loss (RWL) is commonly practiced in combat sports. Both magnitude and methods used to induce RWL are largely similar among combat sports, but currently, there is no data on RWL methodology used by sambo athletes. Therefore, the aim of this study was to determine RWL procedures sambo athletes apply to lose weight rapidly. Methods The sample consisted of 199 participants, of which 132 males and 67 females who participated in the World Sambo Championship 2020 held in Novi Sad, Serbia. Each participant received RWL questionnaire that was available in multiple languages, and every participant was instructed how to fill it out. Results Almost 87% of sambo participants declared to have intentionally cut their weight prior to the competition, whereby 5.27 kg (SD: ±7.57) was lost. Gradual dieting, sauna use and skipping meals were the most dominant methods used to reduce weight prior to competition while more extreme methods of RWL such as the use of laxatives, diuretics, diet pills and vomiting were also implemented but by much smaller fragment of the participants involved. Conclusions Findings from our study largely match with previously conducted RWL studies in terms of prevalence, magnitude and methods used by combat sport athletes, especially in judo and wrestling. Knowing the hazardous consequences of RWL, alternative methods of sustainable weight loss should be considered.

ACS Style

Patrik Drid; Flavia Figlioli; Nemanja Lakicevic; Ambra Gentile; Valdemar Stajer; Bojan Raskovic; Nina Vojvodic; Roberto Roklicer; Tatjana Trivic; Sergey Tabakov; Sergey Eliseev; Antonino Bianco. Patterns of rapid weight loss in elite sambo athletes. BMC Sports Science, Medicine and Rehabilitation 2021, 13, 1 -7.

AMA Style

Patrik Drid, Flavia Figlioli, Nemanja Lakicevic, Ambra Gentile, Valdemar Stajer, Bojan Raskovic, Nina Vojvodic, Roberto Roklicer, Tatjana Trivic, Sergey Tabakov, Sergey Eliseev, Antonino Bianco. Patterns of rapid weight loss in elite sambo athletes. BMC Sports Science, Medicine and Rehabilitation. 2021; 13 (1):1-7.

Chicago/Turabian Style

Patrik Drid; Flavia Figlioli; Nemanja Lakicevic; Ambra Gentile; Valdemar Stajer; Bojan Raskovic; Nina Vojvodic; Roberto Roklicer; Tatjana Trivic; Sergey Tabakov; Sergey Eliseev; Antonino Bianco. 2021. "Patterns of rapid weight loss in elite sambo athletes." BMC Sports Science, Medicine and Rehabilitation 13, no. 1: 1-7.

Journal article
Published: 14 April 2021
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Rapid weight loss (RWL) is commonly practiced in combat sports. Both magnitude and methods used to induce RWL are largely similar among combat sports, but currently, there is no data on RWL methodology used by sambo athletes. Therefore, the aim of this study was to determine RWL procedures sambo athletes apply to lose weight rapidly. The sample consisted of 199 participants, of which 132 males and 67 females who participated in the World Sambo Championship 2020 held in Novi Sad, Serbia. Each participant received RWL questionnaire that was available in multiple languages, and every participant was instructed how to fill it out. Almost 87% of sambo participants declared to have intentionally cut their weight prior to the competition, whereby 5.27 kg (SD: ±7.57) was lost. Gradual dieting, sauna use and skipping meals were the most dominant methods used to reduce weight prior to competition while more extreme methods of RWL such as the use of laxatives, diuretics, diet pills and vomiting were also implemented but by much smaller fragment of the participants involved. Findings from our study largely match with previously conducted RWL studies in terms of prevalence, magnitude and methods used by combat sport athletes, especially in judo and wrestling. Knowing the hazardous consequences of RWL, alternative methods of sustainable weight loss should be considered.

ACS Style

Patrik Drid; Flavia Figlioli; Nemanja Lakicevic; Ambra Gentile; Valdemar Stajer; Bojan Raskovic; Nina Vojvodic; Roberto Roklicer; Tatjana Trivic; Sergey Tabakov; Sergey Eliseev; Antonino Bianco. Patterns of rapid weight loss in elite sambo athletes. 2021, 13, 39 .

AMA Style

Patrik Drid, Flavia Figlioli, Nemanja Lakicevic, Ambra Gentile, Valdemar Stajer, Bojan Raskovic, Nina Vojvodic, Roberto Roklicer, Tatjana Trivic, Sergey Tabakov, Sergey Eliseev, Antonino Bianco. Patterns of rapid weight loss in elite sambo athletes. . 2021; 13 (1):39.

Chicago/Turabian Style

Patrik Drid; Flavia Figlioli; Nemanja Lakicevic; Ambra Gentile; Valdemar Stajer; Bojan Raskovic; Nina Vojvodic; Roberto Roklicer; Tatjana Trivic; Sergey Tabakov; Sergey Eliseev; Antonino Bianco. 2021. "Patterns of rapid weight loss in elite sambo athletes." 13, no. 1: 39.

Journal article
Published: 12 April 2021 in International Journal of Environmental Research and Public Health
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Athletes’ lifestyles have been dramatically affected by the coronavirus disease 2019 (COVID-19) pandemic. Since COVID-19 primarily affects the respiratory system and to a lesser degree the cardiovascular system, the goal of this study was to examine the effects of COVID-19-caused detraining on cardiorespiratory fitness (CRF) of recently recovered volleyball athletes. Sixteen experienced volleyball athletes (age 24 ± 4.5 years) who were recently diagnosed and recovered from a COVID-19 infection volunteered to participate in this study and were tested for CRF and spirometry. Given that participants had only mild symptoms of infection, the primary focus of this study was on the effects of detraining on CRF. On average, the time to exhaustion was 9.4 ± 1.4 min. VE, VCO2, RER and oxygen pulse increased, heart rate exceeded 90% of predicted values, and peak VO2 values were typical for this level of athlete (44.1 ± 3.4 mL/kg). Pulmonary function reflected in FVC, FEV1/FVC and MVV values were well above 80% of predicted values for each of the participants while electrocardiography revealed no ischemia, arrythmias or conduction and repolarization abnormalities were found in the tested subjects. Therefore, it can be concluded that participants experienced typical consequences of detraining. Due to a lack of CRF data prior to COVID-19 infection, we were unable to estimate the magnitude detraining had on CRF. Complete CRF assessment after COVID-19 infection in athletes can be useful for screening of residual myocardial and/or respiratory system damage for safe return-to-play decisions.

ACS Style

Aleksandra Milovancev; Jovana Avakumovic; Nemanja Lakicevic; Valdemar Stajer; Darinka Korovljev; Nikola Todorovic; Antonino Bianco; Nebojsa Maksimovic; Sergej Ostojic; Patrik Drid. Cardiorespiratory Fitness in Volleyball Athletes Following a COVID-19 Infection: A Cross-Sectional Study. International Journal of Environmental Research and Public Health 2021, 18, 4059 .

AMA Style

Aleksandra Milovancev, Jovana Avakumovic, Nemanja Lakicevic, Valdemar Stajer, Darinka Korovljev, Nikola Todorovic, Antonino Bianco, Nebojsa Maksimovic, Sergej Ostojic, Patrik Drid. Cardiorespiratory Fitness in Volleyball Athletes Following a COVID-19 Infection: A Cross-Sectional Study. International Journal of Environmental Research and Public Health. 2021; 18 (8):4059.

Chicago/Turabian Style

Aleksandra Milovancev; Jovana Avakumovic; Nemanja Lakicevic; Valdemar Stajer; Darinka Korovljev; Nikola Todorovic; Antonino Bianco; Nebojsa Maksimovic; Sergej Ostojic; Patrik Drid. 2021. "Cardiorespiratory Fitness in Volleyball Athletes Following a COVID-19 Infection: A Cross-Sectional Study." International Journal of Environmental Research and Public Health 18, no. 8: 4059.

Journal article
Published: 25 March 2021 in Nutrients
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Background: Like other combat sports, sambo has competition rules that divide athletes into categories based on gender, age and weight. Athletes in combat sports often resort to rapid weight loss (RWL) methods to be more competitive in lower weight categories and gain an advantage against lighter, smaller and weaker competitors. The aim of this study was to examine the methodology implemented by two different sambo age categories, junior and senior athletes, in order to attain RWL. Methods: The sample consisted of 103 male sambo elite athletes (seniors/juniors: age 28.5 ± 4.3/18.9 ± 0.8; height (m): 1.7 ± 0.1/1.8 ± 0.1; weight (kg): 76.3 ± 17.8/74.4 ± 16.3; BMI (kg/m2): 25.0 ± 3.8/23.7 ± 3.9) who completed a survey on RWL. Results: Athletes reported losing a mean of 5 kg starting approximately 12 days before a competition. The most common methodology reported by senior and junior sambo athletes was gradually increasing dieting, followed by sauna and plastic suit training. Less common methods adopted were laxatives, diuretics, the use of diet pills and vomiting. There were significant group differences for sauna and diet pill ingestion. Coaches and parents are influential people in the lives of athletes concerning the weight loss strategy to be adopted. Conclusions: This study’s results unequivocally confirm the prevalent practice of RWL in both senior and junior sambo athletes. Although athletes prevalently chose “less harmful” methods, there is a need to inform parents and coaches of the risks and benefits of RWL.

ACS Style

Flavia Figlioli; Antonino Bianco; Ewan Thomas; Valdemar Stajer; Darinka Korovljev; Tatjana Trivic; Nebojsa Maksimovic; Patrik Drid. Rapid Weight Loss Habits before a Competition in Sambo Athletes. Nutrients 2021, 13, 1063 .

AMA Style

Flavia Figlioli, Antonino Bianco, Ewan Thomas, Valdemar Stajer, Darinka Korovljev, Tatjana Trivic, Nebojsa Maksimovic, Patrik Drid. Rapid Weight Loss Habits before a Competition in Sambo Athletes. Nutrients. 2021; 13 (4):1063.

Chicago/Turabian Style

Flavia Figlioli; Antonino Bianco; Ewan Thomas; Valdemar Stajer; Darinka Korovljev; Tatjana Trivic; Nebojsa Maksimovic; Patrik Drid. 2021. "Rapid Weight Loss Habits before a Competition in Sambo Athletes." Nutrients 13, no. 4: 1063.

Original research article
Published: 18 March 2021 in Frontiers in Psychology
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One of the main goals of sport psychology is to identify those psychological factors that are relevant for sport performance as well as possibilities of their development. The aim of the study was to determine whether the set of specific psychological characteristics [generalized self-efficacy, time perspective, emotional intelligence (EI), general achievement motivation, and personality dimensions] makes the distinction between athletes based on their (non)-participation in the senior national team, that is, their belonging to the subsample of elite or non-elite athletes depending on this criterion. According to the group centroids it can be said that elite athletes are characterized by a positive high score in self-efficacy, emotionality, present fatalistic time perspective, past positive time perspective, and openness to experience. They are also characterized by low past negative time perspective, emotional competence, and future time perspective. Non-elite athletes have the opposite traits. The results have been discussed in the context of their application in the process of talent selection and development in sport as well as the development of life skills in athletes.

ACS Style

Petar Mitić; Jasmina Nedeljković; Željka Bojanić; Mirjana Franceško; Ivana Milovanović; Antonino Bianco; Patrik Drid. Differences in the Psychological Profiles of Elite and Non-elite Athletes. Frontiers in Psychology 2021, 12, 1 .

AMA Style

Petar Mitić, Jasmina Nedeljković, Željka Bojanić, Mirjana Franceško, Ivana Milovanović, Antonino Bianco, Patrik Drid. Differences in the Psychological Profiles of Elite and Non-elite Athletes. Frontiers in Psychology. 2021; 12 ():1.

Chicago/Turabian Style

Petar Mitić; Jasmina Nedeljković; Željka Bojanić; Mirjana Franceško; Ivana Milovanović; Antonino Bianco; Patrik Drid. 2021. "Differences in the Psychological Profiles of Elite and Non-elite Athletes." Frontiers in Psychology 12, no. : 1.

Journal article
Published: 05 March 2021 in International Journal of Environmental Research and Public Health
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The aim of the current study is to examine gender, age. and cross-country differences in fear of COVID-19 and sense of loneliness during the lockdown, by comparing people from those countries with a high rate of infections and deaths (e.g., Spain and Italy) and from countries with a mild spread of infection (e.g., Croatia, Serbia, Slovakia, Slovenia, and Bosnia and Herzegovina). A total of 3876 participants (63% female) completed an online survey on “Everyday life practices in COVID-19 time” in April 2020, including measures of fear of COVID-19 and loneliness. Males and females of all age groups in countries suffering from the powerful impact of the COVID-19 pandemic reported greater fear of COVID-19 and sense of loneliness. In less endangered countries, females and the elderly reported more symptoms than males and the young; in Spanish and Italian samples, the pattern of differences is considerably more complex. Future research should thoroughly examine different age and gender groups. The analysis of emotional well-being in groups at risk of mental health issues may help to lessen the long term social and economic costs due to the COVID-19 outbreak.

ACS Style

Gianluca Lo Coco; Ambra Gentile; Ksenija Bosnar; Ivana Milovanović; Antonino Bianco; Patrik Drid; Saša Pišot. A Cross-Country Examination on the Fear of COVID-19 and the Sense of Loneliness during the First Wave of COVID-19 Outbreak. International Journal of Environmental Research and Public Health 2021, 18, 2586 .

AMA Style

Gianluca Lo Coco, Ambra Gentile, Ksenija Bosnar, Ivana Milovanović, Antonino Bianco, Patrik Drid, Saša Pišot. A Cross-Country Examination on the Fear of COVID-19 and the Sense of Loneliness during the First Wave of COVID-19 Outbreak. International Journal of Environmental Research and Public Health. 2021; 18 (5):2586.

Chicago/Turabian Style

Gianluca Lo Coco; Ambra Gentile; Ksenija Bosnar; Ivana Milovanović; Antonino Bianco; Patrik Drid; Saša Pišot. 2021. "A Cross-Country Examination on the Fear of COVID-19 and the Sense of Loneliness during the First Wave of COVID-19 Outbreak." International Journal of Environmental Research and Public Health 18, no. 5: 2586.

Journal article
Published: 29 January 2021 in International Journal of Environmental Research and Public Health
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The main aim of the present study was to compare the effects of flywheel strength training and traditional strength training on fitness attributes. Thirty-six well trained junior basketball players (n = 36; 17.58 ± 0.50 years) were recruited and randomly allocated into: Flywheel group (FST; n = 12), traditional strength training group (TST; n = 12) and control group (CON; n = 12). All groups attended 5 basketball practices and one official match a week during the study period. Experimental groups additionally participated in the eight-week, 1–2 d/w equivolume intervention conducted using a flywheel device (inertia = 0.075 kg·m−2) for FST or free weights (80%1 RM) for TST. Pre-to post changes in lower limb isometric strength (ISOMET), 5 and 20 m sprint time (SPR5m and SPR20m), countermovement jump height (CMJ) and change of direction ability (t-test) were assessed with analyses of variance (3 × 2 ANOVA). Significant group-by-time interaction was found for ISOMET (F = 6.40; p = 0.000), CMJ (F = 7.45; p = 0.001), SPR5m (F = 7.45; p = 0.010) and T test (F = 10.46; p = 0.000). The results showed a significantly higher improvement in CMJ (p = 0.006; 11.7% vs. 6.8%), SPR5m (p = 0.001; 10.3% vs. 5.9%) and t-test (p = 0.045; 2.4% vs. 1.5%) for FST compared to the TST group. Simultaneously, th FST group had higher improvement in ISOMET (p = 0.014; 18.7% vs. 2.9%), CMJ (p = 0.000; 11.7% vs. 0.3%), SPR5m (p = 0.000; 10.3% vs. 3.4%) and t-test (p = 0.000; 2.4% vs. 0.6%) compared to the CON group. Players from the TST group showed better results in CMJ (p = 0.006; 6.8% vs. 0.3%) and t-test (p = 0.018; 1.5% vs. 0.6%) compared to players from the CON group. No significant group-by-time interaction was found for sprint 20 m (F = 2.52; p = 0.088). Eight weeks of flywheel training (1–2 sessions per week) performed at maximum concentric intensity induces superior improvements in CMJ, 5 m sprint time and change of direction ability than equivolumed traditional weight training in well trained junior basketball players. Accordingly, coaches and trainers could be advised to use flywheel training for developing power related performance attributes in young basketball players.

ACS Style

Marko Stojanović; Mladen Mikić; Patrik Drid; Julio Calleja-González; Nebojša Maksimović; Bogdan Belegišanin; Veselin Sekulović. Greater Power but Not Strength Gains Using Flywheel Versus Equivolumed Traditional Strength Training in Junior Basketball Players. International Journal of Environmental Research and Public Health 2021, 18, 1181 .

AMA Style

Marko Stojanović, Mladen Mikić, Patrik Drid, Julio Calleja-González, Nebojša Maksimović, Bogdan Belegišanin, Veselin Sekulović. Greater Power but Not Strength Gains Using Flywheel Versus Equivolumed Traditional Strength Training in Junior Basketball Players. International Journal of Environmental Research and Public Health. 2021; 18 (3):1181.

Chicago/Turabian Style

Marko Stojanović; Mladen Mikić; Patrik Drid; Julio Calleja-González; Nebojša Maksimović; Bogdan Belegišanin; Veselin Sekulović. 2021. "Greater Power but Not Strength Gains Using Flywheel Versus Equivolumed Traditional Strength Training in Junior Basketball Players." International Journal of Environmental Research and Public Health 18, no. 3: 1181.

Preprint content
Published: 05 January 2021
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Background: Rapid weight loss (RWL) is commonly practiced in combat sports. Both magnitude and methods used to induce RWL are largely similar between the combat sports, but currently there is no data on RWL methodology used by sambo athletes. Therefore, the aim of this study was to determine RWL procedures sambo athletes apply to lose weight rapidly.Methods: The sample consisted of 199 participants, of which 132 males and 67 females who participated in the World Sambo Championship 2020 held in Novi Sad, Serbia. Each participant received RWL questionnaire that was available in multiple languages, and each participant was instructed how to fill it out.Results: Almost 87% of sambo participants declared to have intentionally cut their weight prior to the competition, whereby 5.27 kg (SD: ±7.57) was lost. Gradual dieting, sauna use and skipping meals were the most dominant methods used to reduce weight prior to competition while more extreme methods of RWL such as the use of laxatives, diuretics, diet pills and vomiting were also implemented but by much smaller fragment of the participants involved.Conclusions: Findings from our study largely match with previously conducted RWL studies in terms of prevalence, magnitude and methods used by combat sport athletes, especially in judo and wrestling. Knowing the hazardous consequences of RWL, alternative methods of sustainable weight loss should be considered.

ACS Style

Patrik Drid; Flavia Figlioli; Nemanja Lakicevic; Ambra Gentile; Valdemar Stajer; Bojan Raskovic; Nina Vojvodic; Roberto Roklicer; Tatjana Trivic; Sergey Tabakov; Sergey Eliseev; Antonino Bianco. Patterns of Rapid Weight Loss in Elite Sambo Athletes. 2021, 1 .

AMA Style

Patrik Drid, Flavia Figlioli, Nemanja Lakicevic, Ambra Gentile, Valdemar Stajer, Bojan Raskovic, Nina Vojvodic, Roberto Roklicer, Tatjana Trivic, Sergey Tabakov, Sergey Eliseev, Antonino Bianco. Patterns of Rapid Weight Loss in Elite Sambo Athletes. . 2021; ():1.

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Patrik Drid; Flavia Figlioli; Nemanja Lakicevic; Ambra Gentile; Valdemar Stajer; Bojan Raskovic; Nina Vojvodic; Roberto Roklicer; Tatjana Trivic; Sergey Tabakov; Sergey Eliseev; Antonino Bianco. 2021. "Patterns of Rapid Weight Loss in Elite Sambo Athletes." , no. : 1.

Journal article
Published: 01 January 2021 in Biomedical Human Kinetics
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Study aim: To asses and compare the aerobic capacity and respiratory parameters in recreational basketball-engaged university students with age-matched untrained young adults. Material and methods: A total of 30 subjects were selected to took part in the study based on recreational-basketball activity level and were assigned to a basketball (BG: n = 15, age 22.86 ± 1.35 yrs., body height 185.07 ± 5.95 cm, body weight 81.21 ± 6.15 kg) and untrained group (UG: n = 15, age 22.60 ± 1.50 yrs., body height 181.53 ± 6.11 cm, body weight 76.89 ± 7.30 kg). Inspiratory vital capacity (IVC), forced expiration volume (FEV1), FEV1/IVC ratio, maximal oxygen consumption (VO2max), ventilatory threshold (VO2VT) and time to exhaustion, were measured in all subjects. Student T-test for independent Sample and Cohen’s d as the measure of the effect size were calculated. Results: Recreational basketball-engaged students (EG) reached significantly greater IVC (t = 7.240, p < 0.001, d = 1.854), FEV1 (t = 10.852, p < 0.001, d = 2.834), FEV1/IVC ratio (t = 6.370, p < 0.001, d = 3.920), maximal oxygen consumption (t = 9.039, p < 0.001, d = 3.310), ventilatory threshold (t = 9.859, p < 0.001, d = 3.607) and time to exhaustion (t = 12.361, p < 0.001, d = 4.515) compared to UG. Conclusions: Long-term exposure to recreational basketball leads to adaptive changes in aerobic and respiratory parameters in male university students.

ACS Style

Mladen Mikić; Marko D.M. Stojanović; Aleksandra Milovančev; Tatjana Miljković; Marija Bjelobrk; Miodrag Golubović; Nebojša Maksimović; Antonino Bianco; Patrik Drid. Aerobic capacity and respiratory patterns are better in recreational basketball-engaged university students than age-matched untrained males. Biomedical Human Kinetics 2021, 13, 111 -120.

AMA Style

Mladen Mikić, Marko D.M. Stojanović, Aleksandra Milovančev, Tatjana Miljković, Marija Bjelobrk, Miodrag Golubović, Nebojša Maksimović, Antonino Bianco, Patrik Drid. Aerobic capacity and respiratory patterns are better in recreational basketball-engaged university students than age-matched untrained males. Biomedical Human Kinetics. 2021; 13 (1):111-120.

Chicago/Turabian Style

Mladen Mikić; Marko D.M. Stojanović; Aleksandra Milovančev; Tatjana Miljković; Marija Bjelobrk; Miodrag Golubović; Nebojša Maksimović; Antonino Bianco; Patrik Drid. 2021. "Aerobic capacity and respiratory patterns are better in recreational basketball-engaged university students than age-matched untrained males." Biomedical Human Kinetics 13, no. 1: 111-120.

Preprint content
Published: 24 November 2020
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ObjectivesTo examine gender, age and cross-country differences in fear of COVID-19 and sense of loneliness during the lockdown, by comparing people from countries with a high rate of infections and deaths (i.e. Spain and Italy) and from countries with a mild spread of infection (i.e. Croatia, Serbia, Slovakia, Slovenia, Bosnia and Herzegovina).MethodsA total of 3876 participants (63% female) completed an online survey on “Everyday life practices in COVID-19 time” in April 2020, including measures of fear of COVID-19 and loneliness.ResultsMales and females of all age groups in countries suffering from a strong impact of the COVID-19 pandemic reported higher fear of COVID-19 and sense of loneliness. In less endangered countries females and elder stated more symptoms than males and younger; in Spanish and Italian sample the pattern of differences is considerably more complex.ConclusionFuture research should thoroughly examine different age and gender groups. The analysis of emotional well-being in groups at risk of mental health issues can help to lessen the long term social and economic costs due to the COVID-19 outbreak.

ACS Style

Gianluca Lo Coco; Ambra Gentile; Ksenija Bosnar; Ivana Milovanovic; Antonino Bianco; Patrik Drid; Saša Pišot. The experience of distress during the COVID-19 outbreak: a cross-country examination on the fear of COVID-19 and the sense of loneliness. 2020, 1 .

AMA Style

Gianluca Lo Coco, Ambra Gentile, Ksenija Bosnar, Ivana Milovanovic, Antonino Bianco, Patrik Drid, Saša Pišot. The experience of distress during the COVID-19 outbreak: a cross-country examination on the fear of COVID-19 and the sense of loneliness. . 2020; ():1.

Chicago/Turabian Style

Gianluca Lo Coco; Ambra Gentile; Ksenija Bosnar; Ivana Milovanovic; Antonino Bianco; Patrik Drid; Saša Pišot. 2020. "The experience of distress during the COVID-19 outbreak: a cross-country examination on the fear of COVID-19 and the sense of loneliness." , no. : 1.

Correspondence
Published: 12 November 2020 in Science & Sports
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T. Trivic; A. Milovancev; R. Roklicer; N. Lakicevic; O. Cvjeticanin; V. Stajer; A. Bianco; P. Drid. Cardiac response to Nage no Kata in judo. Science & Sports 2020, 36, 244 -246.

AMA Style

T. Trivic, A. Milovancev, R. Roklicer, N. Lakicevic, O. Cvjeticanin, V. Stajer, A. Bianco, P. Drid. Cardiac response to Nage no Kata in judo. Science & Sports. 2020; 36 (3):244-246.

Chicago/Turabian Style

T. Trivic; A. Milovancev; R. Roklicer; N. Lakicevic; O. Cvjeticanin; V. Stajer; A. Bianco; P. Drid. 2020. "Cardiac response to Nage no Kata in judo." Science & Sports 36, no. 3: 244-246.