1. Effect of graded exercise therapy and medical care on chronic fatigue syndromeTamara Zličić, Darinka Korovljev, Tijana Šćepanović, Ivana Milovanović, 2023, pregledni znanstveni članek Povzetek: Purpose: Chronic Fatigue Syndrome (CFS) / Myalgic Encephalomyelitis (ME) is a complex condition with debilitating symptoms that significantly impact individuals, particularly those in the working population. This study aims to investigate the effec-tiveness of Graded Exercise Therapy (GET) and Cognitive Behavioral Therapy (CBT) along with additional methods such as Graded Exercise Self-help (GES), Adaptive Pac-ing Therapy (APT), and Specialist Medical Care (SMC), in managing Chronic Fatigue Syndrome (CFS) / Myalgic Encephalomyelitis (ME) among the working population. Methods: A systematic analysis of five randomized controlled trials conducted be-tween 2013 and 2023, encompassing GET, CBT, APT, SMC, and GES was performed using PubMed.Results: The selected studies consistently demonstrate that GET positively impacts physical functioning and reduces fatigue levels in working individuals with CFS. Ad-ditionally, CBT proves valuable, emphasizing the importance of addressing the mental aspects of CFS in occupational contexts.Conclusion: This review underscores the need for further research, advocating for direct assessment methods like biomarkers to enhance our understanding of CFS and improve treatment outcomes. These insights are crucial for healthcare practitioners, researchers, and policymakers navigating the complexities of CFS within the work-place. Emphasizing the integration of psychological interventions with physical therapies is essential for a comprehensive approach to managing CFS among the working population. Ključne besede: Chronic Fatigue Syndrome / Myalgic Encephalomyelitis, CFS/ME, graded exercise therapy, cognitive behavioral therapy, adaptive pacing therapy, specialist medical care, working population Objavljeno v DiRROS: 17.04.2024; Ogledov: 292; Prenosov: 185
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2. Development and preliminary validation of the scale of factors which influence decision-making of the elderly to take part in physical exercise programsTatjana Tomažič, Bojana Filej, Nadja Plazar, 2023, izvirni znanstveni članek Povzetek: Regular physical activity and exercise are beneficial for both physical and mental health. However, in the elderly, the level of physical activity they partake in is consist-ently inadequate. Recognizing the need to enhance the participation of the elderly in organized physical exercise and understanding the factors which influence their deci-sion-making becomes pivotal. The purpose of this study was to develop a measurement instrument, specifically a scale, to identify these factors and evaluate its psychometric properties. First, the statements were formulated, which was followed by content as-sessment by a panel of experts. In the process of scale validation, its internal consist-ency, stability, correlations between the variables, and factor structure were also evalu-ated. The scale was tested on a sample of 1777 participants engaged in guided physical exercise at the School of Health Association (društvo Šola zdravja), all aged 60 years or more. Theexploratory factor analysis yielded a four-factor model with 27 state-ments which explained 42.9% of variability. The results indicated weak, but statistically significant correlations between the factors and an acceptable level of internal consist-ency and stability of the entire scale. This scale, developed to establish the factors that influence the decision-making of the elderly to take part in organized physical exercise, represents a valid and reliable measurement instrument, which can be beneficial in the planning and promotion of organized physical exercise programs for the elderly. Ključne besede: physical exercise, quantitative methodology, elderly, social gerontology Objavljeno v DiRROS: 16.04.2024; Ogledov: 281; Prenosov: 222
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3. Attitudes towards exercise content on social media and the choice of fitness trainerNikolina Alerić, Ana Penjak, Hrvoje Karninčič, 2023, izvirni znanstveni članek Povzetek: The aim of this study was to: a) investigate and determine gender differences to-wards factors influencing gym-goers’ choice of fitness trainer; and b) to identify and explain gender differences in gym-goers’ attitudes towards social media exercise con-tents (SMEC). For this purpose, a questionnaire was created. The study was conducted on a sample of 50 gym-goers (N1=13 male and N2=37 female), all attending a gym in Split, Croatia. The variable sample consisted of five groups of variables. Test-retest overlap was performed to determine the reliability (88.20%) of the questionnaire. The results showed that the affirmative attitudes were statistically significant in contrast to the non-affirmative attitudes (Wilcoxon Matched Pairs Test, T=250.00, Z=3.60, p<0.001). In addition, male gym-goers generally have a significantly more affirmati-ve attitude towards SMEC than female gym-goers (Mann-Whitney U-test, U=119.50, Z=–2.68, p=0.007). Furthermore, there are gender differences in choosing a fitness trainer based on their appearance; but there are no gender differences in the attitude towards the number of fitness trainers’ followers on social media as an indicator of tru-stworthiness. As this study was specifically concerned with the attitudes of gym-goers, future studies should focus on sports professionals and their attitudes toward this topic. Ključne besede: social media, fitness trainer, exercise, gender Objavljeno v DiRROS: 16.04.2024; Ogledov: 304; Prenosov: 199
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4. Health aspects of aerobic interval training in the rehabilitation of patients with cardiovascular diseases : a sysematic reviewTamara Ilić, Doroteja Rančić, Stefan Stojanović, Ismail Ilbak, 2023, pregledni znanstveni članek Povzetek: Purpose: The aim of this study was to review the literature analyzing the effects of aerobic interval training in the rehabilitation of cardiovascular patients.Methods: Research data was collected considering the inclusion and exclusion cri-teria of the research studies published in English. In order for the study to be included in the analysis, it had to meet the following criteria: year of publication (2004–2022), respondents were people with cardiovascular disease, and the studies included in this review must contain data on disease, training programme and outcomes. Papers with-out full texts available and systematic review studies were excluded. The first search identified 71 articles. In the initial assessment carried out in accordance with the inclu-sion and exclusion criteria, 15 articles were found suitable and were included in the study, while 20 studies were excluded for being duplicates, 28 studies excluded for not having the full text available and eight for non-compliance. Results: The reviewed materials indicate that aerobic interval training has an im-pact on VO2 max, functional abilities, VO2 peak and functional capacity in the reha-bilitation of cardiovascular diseases, especially in the elderly. The duration of the pro-gramme in most studies has a similar time range from 10 to 16 weeks. The programmes that showed the best effects are related to aerobic interval training, from 2 to 3 times per week with moderate (50–60% of VO2 max) or high intensity (80–90% of VO2 max). Conclusion: Studies indicate that properly dosed physical activity contributes to a better lifestyle for people with cardiovascular diseases. All 15 studies showed positive effects of aerobic interval training in cardiovascular disease rehabilitation. Ključne besede: aerobic exercise, interval training, rehabilitation, cardiovascular diseases Objavljeno v DiRROS: 16.04.2024; Ogledov: 282; Prenosov: 164
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5. Effects of a 2-year exercise training on neuromuscular system health in older individuals with low muscle functionElena Monti, Sara Tagliaferri, Sandra Zampieri, Fabio Sarto, Giuseppe Sirago, Martino V. Franchi, Andrea Ticinesi, Yari Longobucco, Elisa Adorni, Marco Vicenzo Narici, 2023, izvirni znanstveni članek Ključne besede: skeletal muscles, C-terminal agrin fragment, neurofilament light chain, exercise interventions, sarcopenia, elderly Objavljeno v DiRROS: 15.12.2023; Ogledov: 506; Prenosov: 181
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6. Participation in youth sports influences sarcopenia parameters in older adultsKaja Teraž, Miloš Kalc, Boštjan Šimunič, Uroš Marušič, Primož Pori, Saša Pišot, Rado Pišot, 2023, izvirni znanstveni članek Povzetek: Background The degree of deterioration in sarcopenia parameters may be affected by a person’s level of physical activity (PA) and sedentary behavior (SB). Our study focused on examining the PA and SB of active older adults including those with and without history of sports in youth. Methods Forty-four participants (20 men and 24 women, mean age of total sample 76.1 ± 5.2 years) were included in analysis of PA, SB habits and sarcopenia parameters, determined by skeletal muscle index, hand-grip strength, gait speed, Timed Up and Go tests (TUG). PA and SB were recorded with accelerometers. Our primary aim was to compare participants with (AH) or without a sport history in youth (NAH), in their sarcopenia parameters and PA and SB habits. Results When divided participants in two groups (AH and NAH) and adjusting for age, we have detected the differences for skeletal muscle index (p = 0.007) and hand-grip strength (p = 0.004) in favor of participants who were engaged in sports in youth. We did not find any differences in PA and SB habits between the AH and NAH groups. After adjusting for age, participants with a higher number of daily steps, longer moderate to vigorous physical activity (MVPA) bouts, a higher number of MVPA bouts in a day and higher overall MVPA engagement achieved better results in hand-grip strength and TUG. Participants with lower SB had better TUG and gait speed results. Conclusions Our findings suggest that engaging in sports activities in youth can make a difference with sarcopenia parameters. Although we found no differences in PA and SB habits between participants with AH and NAH, participants with an athlete history performed better results in sarcopenia parameters. Ključne besede: muscles, muscle disorder, elderly, exercise, sedentarism Objavljeno v DiRROS: 10.11.2023; Ogledov: 505; Prenosov: 1548
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7. Time passes, healthy habits stay? : a longitudinal small sample comparison of muscle contractile properties, motor abilities and lifestyle characteristics of athletes and non-athletesSaša Pišot, Rado Pišot, Boštjan Šimunič, 2021, izvirni znanstveni članek Povzetek: Introduction: Because healthy behaviors learned early in life are more likely to be maintained during adulthood, we aimed to investigate longitudinal changes of partici-pants that were regularly involved in extracurricular sport activities (athletes; N = 7; 4 boys) and those that were not (non-athletes, N = 6; 3 boys)Methods: Participants of both groups were invited for re-assessment at the age of 27, in 2019, 12 years after they participated in a 5-year longitudinal study as adoles-cents (9–14 years of age, in the period 2001‒07). We investigated vastus lateralis (VL) and biceps femoris (BF) contractile properties (tensiomyography), maximal running speed (photocells), anthropometric measures (bioimpedance), maximal vertical jump-ing height (squat and countermovement jumps on a ground reaction force plate), and lifestyle characteristics (GPAQ and EHIS surveys).Results: Based on Cohen’s d effect size we found that athletes have lower body mass index, higher maximal running speed, better maximal vertical jumping height, and shorter BF contraction time, not found in VL, compared to non-athletes. Further-more, athletes also exhibit healthier lifestyle characteristics such as lower sedentary time and higher daily energy expenditure than non-athletes. Athletes follow diet regi-mens consisting of more regular meals with more protein and indulge less in health-risk behavior (smoking and alcohol consumption). However, the self-perception of health and quality of life was lower in athletes than in non-athletes. Conclusion: EU regulations and the beginning of the COVID-19 pandemics pre-vented us from conducting a study on a more representative sample. Nevertheless, we could confirm that regular sport participation yields better physical performance and a healthier lifestyle but could also have a negative impact on health (injuries) and quality of life. Ključne besede: sport, physical exercise, motor development, healthy lifestyle, tensiomyography, longitudinal studies Objavljeno v DiRROS: 02.03.2023; Ogledov: 736; Prenosov: 295
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8. Interventions for increasing return to sport rates after an anterior cruciate ligament reconstruction surgery : aǂ systematic reviewKristina Drole, Armin Paravlić, 2022, pregledni znanstveni članek Povzetek: Background: An injury followed by surgery poses many challenges to an athlete, one of which is rehabilitation, with the goal of returning to sport. While total restoration of physical abilities is a primary goal for most athletes, psychosocial factors also play an important role in the success of an athlete’s return to sport (RTS). The purpose of this review was to examine the eectiveness of exercise and psychosocial interventions on RTS rates, which might be one of the most important outcomes for elite athletes. Methods: To carry out this review, PubMed, SAGE Journals, Web of Science, SPORTDiscus, ScienceDirect, and Google Scholar databases were searched from inception to July 2022. The inclusion criteria consisted exercise or psychosocial intervention for athletes after anterior cruciate ligament reconstruction (ACLR), with reporting RTS rates as an outcome. Results: From 1032 identified articles, four reports (N = 130) met inclusion criteria, all of which examined the recovery after ACLR. The mean MINORS score for the included studies was 16.3 ± 6.1, of which non-comparative studies scored 11.0 ± 1.4, while comparative studies scored 21.5 ± 0.7. There were consistent findings for benefits of exercise and psychosocial interventions on RTS rates. Return to preinjury rates in the reviewed studies vary between 63 and 95% with lower % observed in female athletes and with shorter follow-up. Interventional studies reporting RTS rates with a larger sample size and longer follow-up are needed. Conclusion: Physical and psychological function, as well as social support can be influenced by appropriate interventions, indicating future work on rehabilitation programs for return to preinjury might consider taking the holistic approach addressing those. Ključne besede: return to preinjury, anterior cruciate ligament injury, exercise interventions, psychosocial interventions, injury rehabilitation, return to play Objavljeno v DiRROS: 30.08.2022; Ogledov: 616; Prenosov: 438
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9. A randomized crossover trial on the acute cardiovascular demands during flywheel exerciseDamir Zubac, Vladimir Ivančev, Zoran Valić, Rado Pišot, Cécil J. W. Meulenberg, Irhad Trozic, Nandu Goswami, Boštjan Šimunič, 2021, izvirni znanstveni članek Povzetek: In a randomized crossover trial, we examined whether age plays a role in the mean arterial pressure (MAP) response during a vigorous flywheel exercise of varying load. We hypothesized that the magnitude of increase in the MAP during the flywheel exercise would increase in proportion to advancing age, thereby imposing a significant challenge to the cardiovascular system. A total of 30 participants of both sexes (age range from 20%55 y, 37% women) underwent a detailed medical examination, and their maximal oxygen uptake was determined. They performed a squat exercise (2 sets % 7 repetitions) on a flywheel ergometer at three randomly assigned moments of inertia set at 0.025, 0.05, and 0.075 kg m2, while the cardiovascular response was continuously recorded via a Task force monitor. Compared to the resting values, robust rises in the MAP were observed during all three flywheel loads, reaching the highest value of 179 % 4 mmHg (p = 0.001) during the highest load. In parallel, the cardiac index (cardiac output normalized by the body surface area) was two-fold greater during all the flywheel loads compared to rest, and at a high load, exclusively, the total peripheral resistance increased by 11% (p = 0.001). The rise in heart rate compensated for a load-dependent drop in the stroke index (stroke volume normalized by the body surface area). In our study population, no correlations were observed between the relative increase in the MAP and the participants% age for the three flywheel loads. The present findings suggest that the larger moments of inertia impose a substantial burden to the cardiovascular system, without apparent associated age-differences of the relative magnitude of MAP rise throughout the exercise. Ključne besede: yo-yo exercise, oxygen uptake, muscles loading, blood pressure, krvni tlak, flow mediate dilation Objavljeno v DiRROS: 05.07.2021; Ogledov: 1256; Prenosov: 1356
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10. Independent infuence of age on heart rate recovery after flywheel exercise in trained men and womenDamir Zubac, Nandu Goswami, Vladimir Ivančev, Zoran Valić, Boštjan Šimunič, 2021, izvirni znanstveni članek Povzetek: The present study examined whether differences in the heart rate recovery following flywheel exercise cessation were associated with differences in maximal oxygen uptake (VO2 max.), age and sex in trained adults. Eleven men (age range 22-49 years, VO2 max.=43.6 +/- 7.6 mL kg min -1) and ten women (age range 20-53 years, VO2 max.=38.0 +/- 5.7 mL kg min%1) were randomly assigned to complete a squat-exercise on the flywheel ergometer set at three different moments of inertia, while their cardiovascular responses were continuously monitored. During the flywheel exercise the mean arterial pressure rose by ~35 to 40% (p=.001), and the increment was more robust in men than women. The cardiac index was two-fold greater across both sexes compared to the baseline (p=.001), while the rise in heart rate (~144 bpm) was more pronounced in women to compensate for their load-dependent stroke index decline (p=.001). The load-independent time-course changes in heart rate recovery markers were comparable between the sexes. When these indicators were pooled, a stepwise regression revealed age as the only relevant predictor of both fast and slow components of the heart rate recovery (~30 of the shared variance explained, p=.014). The present data suggest that the heart rate recovery declines with age, irrespective of sex, or well-preserved cardiorespiratory fitness in moderately-trained adults. Ključne besede: training, exercise, Yo-Yo exercise, flywheel, heart rate variability, total peripheral conductance, oxygen uptake kinetics Objavljeno v DiRROS: 11.06.2021; Ogledov: 1157; Prenosov: 1031
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