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Ivan Radman
Faculty of Kinesiology, University of Zagreb, 10000 Zagreb, Croatia

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Journal article
Published: 11 March 2021 in Sensors
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This study aimed to evaluate the agreement between a 7-day recall questionnaire and multiple-sensor monitor in identifying sufficiently active adolescents. A total of 282 students involved in the CRO-PALS study were randomly selected for a device-based measurement of physical activity (PA) using the SenseWear Armband device (SWA) no more than three weeks before or after having fulfilled the SHAPES questionnaire. Valid data was obtained from 150 participants (61 boys; 89 girls) and included in the analysis. In boys, SHAPES exhibited high specificity (92.3%), overall percent agreement (85.0%), and significant agreement (κ = 0.32, p = 0.014) with the SWA in recognising sufficiently active individuals. Conversely, no agreement was detected for quartiles of PA, although boys that were classified in the first and in the fourth quartile by SHAPES differed in device-based measured duration of MVPA (134 [95%CI: 109–160] vs. 87 [95%CI: 65–108], p = 0.032); and VPA (39 [95%CI: 23–56] vs. 14 [95%CI: 6–22], p = 0.011). In girls, no significant agreement between the two methods was found in any of the analyses. It appears that the SHAPES questionnaire is effective to identify individuals that comply with PA recommendations and to distinguish between the most active and the least active individuals for adolescent boys, but not for girls.

ACS Style

Ivan Radman; Maroje Sorić; Marjeta Mišigoj-Duraković. Agreement between the SHAPES Questionnaire and a Multiple-Sensor Monitor in Assessing Physical Activity of Adolescents Using Categorial Approach: A Cross-Sectional Study. Sensors 2021, 21, 1986 .

AMA Style

Ivan Radman, Maroje Sorić, Marjeta Mišigoj-Duraković. Agreement between the SHAPES Questionnaire and a Multiple-Sensor Monitor in Assessing Physical Activity of Adolescents Using Categorial Approach: A Cross-Sectional Study. Sensors. 2021; 21 (6):1986.

Chicago/Turabian Style

Ivan Radman; Maroje Sorić; Marjeta Mišigoj-Duraković. 2021. "Agreement between the SHAPES Questionnaire and a Multiple-Sensor Monitor in Assessing Physical Activity of Adolescents Using Categorial Approach: A Cross-Sectional Study." Sensors 21, no. 6: 1986.

Review
Published: 19 January 2021 in Obesity Reviews
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A systematic search of the literature was performed to compare the effects of interventions that targeted sedentary behaviours or physical activity (PA) or physical fitness on primary prevention of obesity in 6‐ to 12‐year‐old children. The search identified 146 reports that provided relevant data for meta‐analysis. Point estimates in % body fat were higher for fitness interventions compared with PA interventions (standardized mean difference = −0.11%; 95% CI = −0.26 to 0.04, and −0.04%; 95% CI = −0.15 to 0.06, respectively). Including sedentary behaviour to a PA‐ or fitness‐oriented intervention was not accompanied by an increase in intervention effectiveness, as the point estimates were slightly smaller compared with those for PA‐ or fitness‐only interventions. Overall, the effects tended to be larger in girls than in boys, especially for PA + sedentary behaviour interventions. There was some evidence for inequality, as the effects on body mass index were seen when interventions were delivered in the general population (standardized mean difference = −0.05, 95% CI = −0.07 to −0.02), but not in groups of disadvantaged children (standardized mean difference = −0.01, 95% CI = −0.29 to 0.19). In conclusion, school‐based PA interventions appear to be an effective strategy in the primary prevention of childhood obesity among 6‐ to 12‐year‐old children, but targeting sedentary behaviour in addition to PA or fitness does not increase the effectiveness of the intervention.

ACS Style

Hrvoje Podnar; Petra Jurić; Josip Karuc; Marc Saez; Maria A. Barceló; Ivan Radman; Gregor Starc; Gregor Jurak; Saša Đurić; Žan Luca Potočnik; Maroje Sorić. Comparative effectiveness of school‐based interventions targeting physical activity, physical fitness or sedentary behaviour on obesity prevention in 6‐ to 12‐year‐old children: A systematic review and meta‐analysis. Obesity Reviews 2021, 22, e13160 .

AMA Style

Hrvoje Podnar, Petra Jurić, Josip Karuc, Marc Saez, Maria A. Barceló, Ivan Radman, Gregor Starc, Gregor Jurak, Saša Đurić, Žan Luca Potočnik, Maroje Sorić. Comparative effectiveness of school‐based interventions targeting physical activity, physical fitness or sedentary behaviour on obesity prevention in 6‐ to 12‐year‐old children: A systematic review and meta‐analysis. Obesity Reviews. 2021; 22 (2):e13160.

Chicago/Turabian Style

Hrvoje Podnar; Petra Jurić; Josip Karuc; Marc Saez; Maria A. Barceló; Ivan Radman; Gregor Starc; Gregor Jurak; Saša Đurić; Žan Luca Potočnik; Maroje Sorić. 2021. "Comparative effectiveness of school‐based interventions targeting physical activity, physical fitness or sedentary behaviour on obesity prevention in 6‐ to 12‐year‐old children: A systematic review and meta‐analysis." Obesity Reviews 22, no. 2: e13160.

Journal article
Published: 08 August 2020 in Sustainability
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This study aimed to investigate moderators of change in physical activity (PA) levels after 30 days (30-d) of restrictions due to the COVID-19 pandemic in young adults. This research is an extension of the CRO-PALS study and analyses for this study were performed on young adults (20–21 y.o., n = 91). Moderate-to-vigorous physical activity (MVPA), sport participation, student and socioeconomic status were assessed pre- and post-30-d restrictions. Differences in MVPA levels were examined using repeated-measures ANOVAs. After 30-d of restrictions, the drop in MVPA in females (−64.8 min/day, p = 0.006) and males was shown (−57.7 min/day, p < 0.00). However, active participants decreased, while non-active peers increased their MVPA level (−100.7 min/day, p < 0.00, and +48.9 min/day, p = 0.051, respectively). Moreover, students and non-students decreased their MVPA level (−69.0 min/day, p < 0.00, and −35.0 min/day, p = 0.22, respectively) as well as sport participants and non-sport participants (−95.3 min/day, p < 0.001, and −53.9 min/day, p < 0.00, respectively). Our results suggest that 30-d of restrictions equally affect females and males where the evident drop in MVPA is seen in both genders. However, active people decreased their PA level during lockdown and the opposite pattern was seen in non-active peers, where restrictions for them can represent an opportunity to change their behavior in a positive direction in order to gain better health status.

ACS Style

Josip Karuc; Maroje Sorić; Ivan Radman; Marjeta Mišigoj-Duraković. Moderators of Change in Physical Activity Levels during Restrictions Due to COVID-19 Pandemic in Young Urban Adults. Sustainability 2020, 12, 6392 .

AMA Style

Josip Karuc, Maroje Sorić, Ivan Radman, Marjeta Mišigoj-Duraković. Moderators of Change in Physical Activity Levels during Restrictions Due to COVID-19 Pandemic in Young Urban Adults. Sustainability. 2020; 12 (16):6392.

Chicago/Turabian Style

Josip Karuc; Maroje Sorić; Ivan Radman; Marjeta Mišigoj-Duraković. 2020. "Moderators of Change in Physical Activity Levels during Restrictions Due to COVID-19 Pandemic in Young Urban Adults." Sustainability 12, no. 16: 6392.

Journal article
Published: 02 May 2020 in International Journal of Environmental Research and Public Health
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The occurrence of chronic diseases in youth has become a serious global issue requiring early prevention. Due to the specific environment in large cities, urban youth are especially exposed to risky lifestyle patterns. Objective: This survey aimed to determine the prevalence of key modifiable cardiovascular risk factors in the adolescent population of the Croatian capital Zagreb. Methods: A clustered two-stage random sample design was employed to select a representative group of 903 adolescents (girls n = 444; boys n = 459; age 15.6 ± 0.4) starting their secondary education. Participants were invited to fulfil an electronic questionnaire meant to collect data on daily physical activity, screen time and tobacco use. In addition, anthropometric and blood pressure measurements were taken by medically trained personnel. Data that were not originally categorical were dichotomized based on internationally accepted cut-off values for each risk factor, summarized for females and males, and presented as percentages and 95% confidence intervals. Results: The outcomes suggest that that more than one half did not meet the recommended daily physical activity (girls 59.4%; boys 45.5%), while about one quarter exceeded 2 h of screen time per day and had high blood pressure (girls 26.6% and 21.6%; boys 27.0% and 27.0%, respectively). Moreover, the results indicated nearly one fifth of adolescents had excess weight (girls 16.1%; boys 22.2%) and a similar proportion smoked tobacco (girls 20.8%; boys 17.0%). Conclusions: Local and regional health stakeholders should make additional efforts to promote healthy lifestyles in urban teenagers. Special emphasis should be placed on promoting physical activity.

ACS Style

Ivan Radman; Maroje Sorić; Marjeta Mišigoj-Duraković. Prevalence of Key Modifiable Cardiovascular Risk Factors among Urban Adolescents: The CRO-PALS Study. International Journal of Environmental Research and Public Health 2020, 17, 3162 .

AMA Style

Ivan Radman, Maroje Sorić, Marjeta Mišigoj-Duraković. Prevalence of Key Modifiable Cardiovascular Risk Factors among Urban Adolescents: The CRO-PALS Study. International Journal of Environmental Research and Public Health. 2020; 17 (9):3162.

Chicago/Turabian Style

Ivan Radman; Maroje Sorić; Marjeta Mišigoj-Duraković. 2020. "Prevalence of Key Modifiable Cardiovascular Risk Factors among Urban Adolescents: The CRO-PALS Study." International Journal of Environmental Research and Public Health 17, no. 9: 3162.

Journal article
Published: 18 October 2019 in Nutrients
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It has been hypothesized that breakfast consumption is generally associated with healthy lifestyle behaviors, such as increased physical activity. The aim of this study was to examine the relations between breakfast consumption, adiposity measures and physical activity among adolescents. This investigation is a part of the Croatian physical activity in adolescence longitudinal study (CRO-PALS). This investigation is based on 802 participants (48% girls and 52% boys), aged between 15.2 and 16.0 years. Physical activity level and sedentary behaviors were assessed using the SHAPES questionnaire. Adiposity measures included the sum of four skinfolds, and multi-pass 24-h recall was used as the dietary assessment method. Participants who consumed breakfast had significantly lower body fat % (p = 0.011 for boys; p ≤ 0.001 for girls) compared to breakfast non-consumers. Physical activity has no mediating effect in the association of breakfast consumption on adiposity in boys (Sobel's t = -0.541; p = 0.588) and girls (Sobel's t = 1.020; p = 0.307). Breakfast consumption was negatively associated with adiposity only in the boys at the highest tertile of physical activity (p = 0.04). Physical activity has no mediating effect on the associations between breakfast consumption and adiposity, but has a moderation effect only in the most active boys. Breakfast consumption might exert beneficial effects only in the most active male adolescents, but not in the inactive ones.

ACS Style

Sara Sila; Ana Ilić; Marjeta Mišigoj-Duraković; Maroje Sorić; Ivan Radman; Zvonimir Šatalić. Obesity in Adolescents Who Skip Breakfast Is Not Associated with Physical Activity. Nutrients 2019, 11, 2511 .

AMA Style

Sara Sila, Ana Ilić, Marjeta Mišigoj-Duraković, Maroje Sorić, Ivan Radman, Zvonimir Šatalić. Obesity in Adolescents Who Skip Breakfast Is Not Associated with Physical Activity. Nutrients. 2019; 11 (10):2511.

Chicago/Turabian Style

Sara Sila; Ana Ilić; Marjeta Mišigoj-Duraković; Maroje Sorić; Ivan Radman; Zvonimir Šatalić. 2019. "Obesity in Adolescents Who Skip Breakfast Is Not Associated with Physical Activity." Nutrients 11, no. 10: 2511.

Journal article
Published: 13 November 2018 in Nutrients
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The main purpose of the present study was to determine the associations between sleep duration and sleep quality with respect to dietary habits. In this cross-sectional study, 810 free-living older adults aged ≥85 years were recruited from six neighborhoods from the city of Zagreb. Diet, sleep duration and sleep quality were assessed using self-reported questionnaires. The associations between sleep duration and sleep quality with respect to dietary habits were examined using generalized estimating equations with Poisson regression analyses. After adjusting for body-mass index, self-rated health, psychological distress, physical activity, socioeconomic status, chronic disease/s, sex and age, we revealed that ‘short’ (8 h; RR = 0.26; 95% CI 0.11 to 0.48) sleep durations and ‘good’ sleep quality (RR = 1.13; 95% CI 1.06 to 1.20) were associated with a ‘moderate-to-high’ healthy diet. When sleep duration and sleep quality were entered simultaneously into Model 3, ‘short’ (RR = 0.28; 95% CI 0.16 to 0.44 and ‘long’ (RR = 0.27; 95% CI 0.15 to 0.52) sleep duration and ‘good’ sleep quality (RR = 1.14; 95% CI 1.05 to 1.25) remained associated with a ‘moderate-to-high’ healthy diet. Our study shows that both ‘short’ and ‘long’ sleep duration and ‘good’ sleep quality are associated with ‘moderate-to-high’ healthy diets.

ACS Style

Lovro Štefan; Ivan Radman; Hrvoje Podnar; Goran Vrgoč. Sleep Duration and Sleep Quality Associated with Dietary Index in Free-Living Very Old Adults. Nutrients 2018, 10, 1748 .

AMA Style

Lovro Štefan, Ivan Radman, Hrvoje Podnar, Goran Vrgoč. Sleep Duration and Sleep Quality Associated with Dietary Index in Free-Living Very Old Adults. Nutrients. 2018; 10 (11):1748.

Chicago/Turabian Style

Lovro Štefan; Ivan Radman; Hrvoje Podnar; Goran Vrgoč. 2018. "Sleep Duration and Sleep Quality Associated with Dietary Index in Free-Living Very Old Adults." Nutrients 10, no. 11: 1748.

Journal article
Published: 14 September 2018 in Sports
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(1) Background: Individuals’ psychological traits can influence not just success in sport but also the ability to learn new motor skills. We investigated whether sport courage, worry and fear differ between alpine ski-naive and basic level skiers and how they affect ski learning. (2): A total of 337 students (249 ski-naive and 88 basic level) participated in research consisting of a four-part questionnaire and structured skiing program. (3) Results: For beginners, lower fear (r = −0.30, p < 0.01) and higher Self-efficiency (r = 0.28, p < 0.05) and mastery (r = 0.20, p < 0.01) were associated with better performance; reducing fear and increasing self-efficiency and worry increased performance. Experienced skiers were better in determination, mastery, and self-efficiency (all p < 0.05). In case of lower score in worry (r = −0.28, p < 0.01) and higher in self-efficiency (r = 0.22, p < 0.05) performance was better. Males scored higher in sport courage scale-31 (all p < 0.05). In particular, self-efficiency was associated with better (r = 0.39, p < 0.01), and higher fear with poorer performance (r = −0.33, p < 0.01). Moreover, self-efficiency was a predictor of ski success (p < 0.001). On the other hand, females like ski beginners scored higher in fear (p < 0.001). In females, determination, mastery and self-efficiency had a positive correlation with skiing (r = 0.21, p < 0.05, r = 0.28, p < 0.01, and r = 0.33, p < 0.01, respectively), while association between Fear and skiing (r = −0.46, p < 0.01) was negative, and fear (p < 0.001) was inversely related to success. (4): Conclusions: Psychological factors and gender differences need to be considered during learning phases of alpine skiing. There is a positive association between self-efficiency and performance of male ski beginners, and negative association between fear and achieved results in basic alpine ski school in case of female ski beginners.

ACS Style

Vjekoslav Cigrovski; Ivan Radman; Erkut Konter; Mateja Očić; Lana Ružić. Sport Courage, Worry and Fear in Relation to Success of Alpine Ski Learning. Sports 2018, 6, 96 .

AMA Style

Vjekoslav Cigrovski, Ivan Radman, Erkut Konter, Mateja Očić, Lana Ružić. Sport Courage, Worry and Fear in Relation to Success of Alpine Ski Learning. Sports. 2018; 6 (3):96.

Chicago/Turabian Style

Vjekoslav Cigrovski; Ivan Radman; Erkut Konter; Mateja Očić; Lana Ružić. 2018. "Sport Courage, Worry and Fear in Relation to Success of Alpine Ski Learning." Sports 6, no. 3: 96.

Journal article
Published: 01 January 2018 in Kinesiology
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The objective was to explore the effectiveness of a five-minute classroom-based physical activity (5min-Class-PA) to keep student behaviour on task while increasing PA and energy expenditure during school days. The multiple baselines across subjects’ design was implemented to assess on-task behaviour during academic lessons (e.g., Mathematics, Science, Language, Art). Observers were blinded to study condition. A quasi-experimental design was implemented to assess PA volume and energy expenditure using SenseWear Armband body monitor (BodyMedia Inc., Pittsburgh, PA, USA). A convenience sample of elementary school pupils (aged 6-10 years) was observed. A total of eight class departments or two class departments per grade (first to fourth) were included by random selection. All pupils from the selected class departments were asked to participate (total 149) and 126 (85%) had no health aberrations and returned parent signed informed agreement on participation. Five-minute PA daily was performed in the middle of a 45-min academic lesson by imitating video animations projected on the school board for 12 weeks. The aims were to assess on-task behaviour during academic lessons and physical activity volume and energy expenditure during a school day. When the 5min-Class-PA was implemented, initially high on-task behaviour during the first part of the lesson (91.42% and 94.8% for 6-8- and 8-10-year-olds, respectively) was not significantly changed after the 5min-Class-PA. In contrast, when the 5min-Class-PA was not implemented, on-task behaviour during the second part of the lesson decreased (by 3% and 4% for 6-8- and 8-10-year-olds, respectively). After the 5min-Class-PA was systematically introduced, on-task behaviour systematically improved. The results of the implementation of the classroom-based PA also indicated a small, non-significant increase in PA levels and energy expenditure during the school day, but also a non-significant increase in sedentary time. On-task behaviour during academic lessons and daily in-school PA levels can be improved by implementing a 5min-Class-PA programme.

ACS Style

Hrvoje Podnar; Dario Novak; Ivan Radman. Effects of a 5-minute classroom-based physical activity on on-task behaviour and physical activity levels. Kinesiology 2018, 50, 251 -259.

AMA Style

Hrvoje Podnar, Dario Novak, Ivan Radman. Effects of a 5-minute classroom-based physical activity on on-task behaviour and physical activity levels. Kinesiology. 2018; 50 (2):251-259.

Chicago/Turabian Style

Hrvoje Podnar; Dario Novak; Ivan Radman. 2018. "Effects of a 5-minute classroom-based physical activity on on-task behaviour and physical activity levels." Kinesiology 50, no. 2: 251-259.

Journal article
Published: 10 April 2017 in Croatian Journal of Education - Hrvatski časopis za odgoj i obrazovanje
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ACS Style

Mateja Kunješić; Hrvoje Podnar; Ivan Radman. Internal Consistency and Retest Reliability of the Croatian Version of PAQ-C/Interna konzistencija i retest pouzdanost hrvatske inačice PAQ-C upitnika. Croatian Journal of Education - Hrvatski časopis za odgoj i obrazovanje 2017, 19, 1 .

AMA Style

Mateja Kunješić, Hrvoje Podnar, Ivan Radman. Internal Consistency and Retest Reliability of the Croatian Version of PAQ-C/Interna konzistencija i retest pouzdanost hrvatske inačice PAQ-C upitnika. Croatian Journal of Education - Hrvatski časopis za odgoj i obrazovanje. 2017; 19 (1):1.

Chicago/Turabian Style

Mateja Kunješić; Hrvoje Podnar; Ivan Radman. 2017. "Internal Consistency and Retest Reliability of the Croatian Version of PAQ-C/Interna konzistencija i retest pouzdanost hrvatske inačice PAQ-C upitnika." Croatian Journal of Education - Hrvatski časopis za odgoj i obrazovanje 19, no. 1: 1.

Research article
Published: 26 January 2016 in PLOS ONE
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The study aimed to evaluate the test-retest reliability of a newly developed 356 Soccer Shooting Test (356-SST), and the discriminative ability of this test with respect to the soccer players' proficiency level and leg dominance. Sixty-six male soccer players, divided into three groups based on their proficiency level (amateur, n = 24; novice semi-professional, n = 18; and experienced semi-professional players, n = 24), performed 10 kicks following a two-step run up. Forty-eight of them repeated the test on a separate day. The following shooting variables were derived: ball velocity (BV; measured via radar gun), shooting accuracy (SA; average distance from the ball-entry point to the goal centre), and shooting quality (SQ; shooting accuracy divided by the time elapsed from hitting the ball to the point of entry). No systematic bias was evident in the selected shooting variables (SA: 1.98±0.65 vs. 2.00±0.63 m; BV: 24.6±2.3 vs. 24.5±1.9 m s-1; SQ: 2.92±1.0 vs. 2.93±1.0 m s-1; all p>0.05). The intra-class correlation coefficients were high (ICC = 0.70-0.88), and the coefficients of variation were low (CV = 5.3-5.4%). Finally, all three 356-SST variables identify, with adequate sensitivity, differences in soccer shooting ability with respect to the players' proficiency and leg dominance. The results suggest that the 356-SST is a reliable and sensitive test of specific shooting ability in men's soccer. Future studies should test the validity of these findings in a fatigued state, as well as in other populations.

ACS Style

Ivan Radman; Barbara Wessner; Norbert Bachl; Lana Ruzic; Markus Hackl; Arnold Baca; Goran Markovic. Reliability and Discriminative Ability of a New Method for Soccer Kicking Evaluation. PLOS ONE 2016, 11, e0147998 -e0147998.

AMA Style

Ivan Radman, Barbara Wessner, Norbert Bachl, Lana Ruzic, Markus Hackl, Arnold Baca, Goran Markovic. Reliability and Discriminative Ability of a New Method for Soccer Kicking Evaluation. PLOS ONE. 2016; 11 (1):e0147998-e0147998.

Chicago/Turabian Style

Ivan Radman; Barbara Wessner; Norbert Bachl; Lana Ruzic; Markus Hackl; Arnold Baca; Goran Markovic. 2016. "Reliability and Discriminative Ability of a New Method for Soccer Kicking Evaluation." PLOS ONE 11, no. 1: e0147998-e0147998.

Randomized controlled trial
Published: 14 November 2015 in Graefe's Archive for Clinical and Experimental Ophthalmology
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The aim of the present study was to examine the acute effects of graded physiological strain on soccer kicking performance.Twenty-eight semi-professional soccer players completed both experimental and control procedure. The experimental protocol incorporated repeated shooting trials combined with a progressive discontinuous maximal shuttle-run intervention. The initial running velocity was 8 km/h and increasing for 1 km/h every 3 min until exhaustion. The control protocol comprised only eight subsequent shooting trials. The soccer-specific kicking accuracy (KA; average distance from the ball-entry point to the goal center), kicking velocity (KV), and kicking quality (KQ; kicking accuracy divided by the time elapsed from hitting the ball to the point of entry) were evaluated via reproducible and valid test over five individually determined exercise intensity zones.Compared with baseline or exercise at intensities below the second lactate threshold (LT2), physiological exertion above the LT2 (blood lactate > 4 mmol/L) resulted in meaningful decrease in KA (11-13 %; p < 0.05), KV (3-4 %; p < 0.05), and overall KQ (13-15 %; p < 0.01). The light and moderate-intensity exercise below the LT2 had no significant effect on soccer kicking performance.The results suggest that high-intensity physiological exertion above the player's LT2 impairs soccer kicking performance. In contrast, light to moderate physiological stress appears to be neither harmful nor beneficial for kicking performance.

ACS Style

Ivan Radman; Barbara Wessner; Norbert Bachl; Lana Ruzic; Markus Hackl; Tomislav Prpić; Goran Markovic. The acute effects of graded physiological strain on soccer kicking performance: a randomized, controlled cross-over study. Graefe's Archive for Clinical and Experimental Ophthalmology 2015, 116, 373 -382.

AMA Style

Ivan Radman, Barbara Wessner, Norbert Bachl, Lana Ruzic, Markus Hackl, Tomislav Prpić, Goran Markovic. The acute effects of graded physiological strain on soccer kicking performance: a randomized, controlled cross-over study. Graefe's Archive for Clinical and Experimental Ophthalmology. 2015; 116 (2):373-382.

Chicago/Turabian Style

Ivan Radman; Barbara Wessner; Norbert Bachl; Lana Ruzic; Markus Hackl; Tomislav Prpić; Goran Markovic. 2015. "The acute effects of graded physiological strain on soccer kicking performance: a randomized, controlled cross-over study." Graefe's Archive for Clinical and Experimental Ophthalmology 116, no. 2: 373-382.

Journal article
Published: 01 January 2015 in International Journal of Occupational Medicine and Environmental Health
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Objectives: The aim of the study was to investigate whether a ski helmet interferes with the sound localization and the time of sound perception in the frontal plane. Material and Methods: Twenty-three participants (age 30.7±10.2) were tested on the slope in 2 conditions, with and without...

ACS Style

Lana Ružić; Anton Tudor; Ivan Radman; Mario Kasović; Vjekoslav Cigrovski; Oficyna Wydawnicza. The influence of ski helmets on sound perception and sound localisation on the ski slope. International Journal of Occupational Medicine and Environmental Health 2015, 28, 389 -394.

AMA Style

Lana Ružić, Anton Tudor, Ivan Radman, Mario Kasović, Vjekoslav Cigrovski, Oficyna Wydawnicza. The influence of ski helmets on sound perception and sound localisation on the ski slope. International Journal of Occupational Medicine and Environmental Health. 2015; 28 (2):389-394.

Chicago/Turabian Style

Lana Ružić; Anton Tudor; Ivan Radman; Mario Kasović; Vjekoslav Cigrovski; Oficyna Wydawnicza. 2015. "The influence of ski helmets on sound perception and sound localisation on the ski slope." International Journal of Occupational Medicine and Environmental Health 28, no. 2: 389-394.

Journal article
Published: 01 January 2014 in Gait & Posture
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The aim of the study was to evaluate the influence of the physiological load on postural control. Special attention was directed toward the identifying the intensity level in which the major deterioration in balance abilities occurs. Thirty subjects randomly divided into two groups performed multistage all-out exertion protocol on cycle-ergometer with measurements of ventilatory-metabolic and subjective parameters of exertion. Each stage lasted three minutes and was followed with three minute breaks during which the subjects underwent the static (keeping the cursor in the center of the screen) and the dynamic balance testing (following the cursor clockwise or counter clock wise by body movements) on balance platform. In a control group, the protocol encompassed only balance testing procedures followed by 3 min rest. After the completion of the testing procedures, the five intensity zones were determined according to the ventilatory-metabolic parameters. The significant differences in both static and dynamic balance tests were found between the test stages in exercising group. The post hoc analyses revealed the significant negative effect of exercise on the static balance with three visible "balance thresholds". The first threshold was at the rest to work transition, the second at the anaerobic threshold and the third at the maximal exertion level. The dynamic balance was also negatively affected with exercise, however no "balance thresholds" were clearly identified. No significant changes in neither static nor dynamic balance abilities were observed in the control group so the changes in the experimental group could have been attributed to the exercise intensity.

ACS Style

Lana Ruzic; Tomislav Prpić; Tomislav Madarevic; Ivan Radman; Anton Tudor; Ivan Rakovac; Branko Sestan. Physiological load and posture control thresholds. Gait & Posture 2014, 39, 415 -419.

AMA Style

Lana Ruzic, Tomislav Prpić, Tomislav Madarevic, Ivan Radman, Anton Tudor, Ivan Rakovac, Branko Sestan. Physiological load and posture control thresholds. Gait & Posture. 2014; 39 (1):415-419.

Chicago/Turabian Style

Lana Ruzic; Tomislav Prpić; Tomislav Madarevic; Ivan Radman; Anton Tudor; Ivan Rakovac; Branko Sestan. 2014. "Physiological load and posture control thresholds." Gait & Posture 39, no. 1: 415-419.