Wyniki wyszukiwania - Biblioteka Nauki

1

A Paradigm for Identifying Ability in Competition: The association Between Anthropometry, Training and Equipment with Race Times in Male Long-Distance Inline Skaters - the ‘Inline One Eleven’

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Knechtle B. , Knechtle P. , Rosemann T.

Human Movement

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2011

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tom 12

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nr 2

171-179

EN

Purpose. The association between anthropometric and training characteristics on an athlete's performance has been investigated in swimmers, cyclists and runners, but not in inline skaters. The aim of this study was to investigate the relationship between anthropometry, pre race preparation and equipment in the finishers of the longest inline race in Europe, the ‘Inline One eleven’ over 111 km in Switzerland. Basic procedures. We investigated the association of anthropometry, training, and equipment variables with race times in 84 male ultra-endurance inline skaters using bi- and multivariate analysis. Main findings. In the multivariate analysis, percent body fat, duration per training unit, and personal best time in the ‘Inline One eleven’ was related to the race time for all finishers. Out of the 84 finishers, 58 had already finished an ‘Inline One eleven’ while 26 participated for the first time. Speed in training and the kind of skates worn were related to race times of the 26 inexperienced finishers. The inexperienced finishers skating with custom made skates were significantly faster with 229.1 (12.7) min compared to inexperienced finishers using ordinary skates finishing within 290.8 (35.4) min (p < 0.001). For experienced inliners, body mass, the sum of skin-folds and percent body fat correlated to race time. Conclusions. We assume that inexperienced athletes in ultra-endurance skating need time to gain the experience necessary in choosing the correct equipment and doing the training in order to successfully finish a long-distance inline race. Experienced inliners can only improve race performance in an ultra-endurance inline race such as the ‘Inline One eleven’ through a reduction of their body fat.

2

The Diagnosis of Excessive Body Mass and Body Fat in 18-Year-Old Youth – Assessment of Comparability of Results Obtained on the Basis of BMI and BIA Methods

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Kawalec-Kajstura E. , Malinowska-Lipien I. , Brzostek T.

Polish Journal of Public Health

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2015

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tom 124

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nr 3

120-124

EN

Introduction. A systematic increase in the frequency of excessive body mass in young Poles is an argument supporting the need for identification persons with the increased risk. It is justified to test the level of comparability of the applied screening methods and criteria of diagnosing excessive body mass and body fat in the adolescent group. Aim. To assess the comparability of the results in terms of frequency of diagnosing of overweight and body fat excessive content depending on the method and assessment criteria in 18-year-olds. Material and methods. The study comprised 141 secondary school students (100 women and 41 men), with the age median of 17.8 ± 0.5 years. The measurements included height and body mass (to calculate the BMI) and assessment of the percentage of body fat content with two methods of bioelectric impedance in two bipolar versions: Tanita BC-570 and Omron BF-306. Results. Excessive body mass, as defined by the BMI, was found in 12.1% of students. The incidence of diagnosing excessive contents of body fat in the organism depended on the method of measurement and criteria of results interpretation; 20.6% with the Tanita and 28.3% with the Omron method. The measurements with Tanita BC-570 scales demonstrated stronger correlation with BMI value (p<0.001; r2=0.34) than measurements with the Omron BF-306 (p<0.001; r2=0.16). Conclusions. In young adults: 1. the diagnosis of excessive body mass by BMI and measurement with use of the bioelectric impedance methods with two bipolar versions (Tanita BC-570, Omron BF-306) provided inconsistent results. 2. The proportion of young people with excessive body fat was greater than indicated by the BMI norms. 3. The measurement with Tanita BC-570 scales demonstrated stronger correlation with BMI values than by the ones with the Omron. 4. Critical approach to the applied methods is indispensable in screening studies of nutrition level among adolescents.

3

A Comparison of Anthropometry between Ironman Triathletes and Ultra-swimmers

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Knechtle B. , Baumann B. , Knechtle P. , Wirth A. , Rosemann T.

Journal of Human Kinetics

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2010

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tom 24

57-64

EN

We intended to compare the anthropometry of male and female Ironman triathletes with the anthropometry of male and female ultra-swimmers. Body mass, body mass index and body fat were lower in both male and female triathletes compared to swimmers. Body height and length of limbs were no different between the two groups. In the multi-variate analysis, in male triathletes, body mass (p=0.015) and percent body fat (p=0.0003) were related to race time; percent body fat was also related to the swim split (p=0.0036). In male swimmers, length of the arm was related to race time (p=0.0089). In female triathletes and swimmers, none of the investigated anthropometric variables showed an association with race time. We concluded that Ironman triathletes and ultra-swimmers were different regarding anthropometry and that different anthropometric variables were related to race time. We assume that other factors, such as training and equipment, as opposed to anthropometry, may better predict race time in male and female Ironman triathletes.

4

No Association Between Skinfold Thicknesses and Race Performance in Male Ultra-Endurance Cyclists in a 600 km Ultra-Cycling Marathon

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Knechtle B. , Knechtle P. , Rosemann T.

Human Movement

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2009

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tom 10

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nr 2

91-95

EN

Purpose. In long-distance runners, an association between skinfold thicknesses and running performance has been demonstrated. Basic procedures. We investigated the relationship between skinfold thicknesses and race time in cyclists in an ultra-endurance cycling race. In 28 ultra-endurance cyclists at the ‘Swiss Cycling Marathon’ over 600 km, skinfold thickness at 8 sites was measured pre race. Single skinfold thicknesses, the sum of 8 skinfolds and percent body fat were correlated with total race time. Main findings. The cyclists finished within 1.596 (296) min riding at an average speed of 26.8 (5.7) km/h. There was no correlation between single skinfold thicknesses, the sum of 8 skinfold thicknesses and percent body fat with total race time. Conclusions. In male ultra-cyclists in a 600 km ultra-marathon, no correlation between skinfold thicknesses and race performance has been detected as demonstrated in long-distance runners.

5

RELATIONSHIP OF VERTICAL JUMP TEST WITH ANTHROPOMETHRIC PARAMETERS AND BODY COMPOSITION IN UNIVERSITY STUDENTS – A GENDER VARIATION

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Dalui R. , Singha Roy A. , Kalinski M. , Bandyopadhyay A.

Central European Journal of Sport Sciences and Medicine

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2014

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tom 5

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nr 1

83-90

EN

Vertical jump test (VJT) is one of the important determinants of physical fitness. VJT score in school going children of West Bengal, India has been reported. However, pertinent data in young sedentary Indian males and females are unavailable. Moreover, the relationship of VJT with anthropometric parameters and different components of body composition has not yet been explored in Indian context. Debatable findings have been reported regarding the impact of body composition on VJT score. The present study was aimed to evaluate the VJT score in young sedentary Indian university students and its relationship with anthropometric parameters and different components of body composition with special reference to gender variation. Healthy sedentary university students (males n=40 and females n=40) with similar socio-economic background and age group of 21–25 years were randomly sampled for the study from the post-graduate section of the University of Calcutta, Kolkata, India. VJT was evaluated by Sargent Jump Test, and body composition was determined by skinfold measurements. Body height, body mass, %Fat, Total Fat (TF), LBM and VJT score depicted significant (p<0.001) difference between male and female groups. The VJT scores obtained in the male and female groups were in the range of below average and poor, respectively. Physical parameters did not influence the VJT score in both genders. In the present study the VJT score exhibited significant (p<0.001) negative correlation with %fat, individual skinfold, sum of skinfolds, and TF. Hence, body fat content posed as a hindrance to achieve higher jumping height, especially in females, where the lean mass helped to achieve greater VJT score in males.

6

Grow first, gain fat in the meantime. Longitudinal study of anthropometric changes around menarche

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Ziomkiewicz A. , Kozieł S.

Anthropological Review

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2015

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tom 78

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nr 2

169-181

EN

There is a long dispute among anthropologist over which factor is more important – skeletal maturation or energy accumulation – for menarche occurrence. Here we report results of longitudinal study conducted on the sample of 178 girls followed for the period from 2 years before to 2 years after the age of menarche. Each year during this period anthropometric measures of waist and hip circumference, pelvis breadth, subscapular, triceps and abdominal skinfold thickness were taken to document girls’ physical development. We found that changes in hip circumference and pelvis breadth were the most closely associated with menarche appearance. We also found that changes in anthropometric measures of lower body part preceded changes in anthropometric measures of upper body part and tended to peak one year before menarche occurrence while changes in upper body part tended to peak one year after menarche occurrence. These results suggest that both skeletal maturation and energy accumulation in the form of fat are equally important for menarche to occur. Furthermore, we are proposing a new indicator describing allometric changes of pelvis around menarche: hip circumference to pelvis breadth ratio (HCPBR).

7

Body composition of undergraduates – comparison of four different measurement methods

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Brtková M. , Bakalár P. , Matúš I. , Hančová M. , Rimárová K.

Physical Activity Review

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2014

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tom 2

38-44

EN

The objective of this study was to determine body composition of university students using four different methods and to find out the extent of agreement between these methods regarding the measurement of body fat percentage in body composition. The study group consisted of 52 students of the P.J. Šafárik University in Košice (29 males and 23 females) whose average age was 22.4 ± 1.9. The study group was formed by convenience sampling. Basic somatometric parameters (body height and weight) were determined and body mass index (BMI) was calculated. The body fat percentage was determined by indirect methods, that is by measuring skinfold thickness at 10 locations on the body using calliper Best II.K501 and by bioimpendance method using devices Bodystat 1500, Omron BF511 (tetra-polar electrode configuration) and Omron BF300 (bi-polar electrode configuration). Profile analysis based on one-sample Hotelling’s test with chi-squared approximation was used for assessing agreement among given four methods of body fat measurements. Statistical analysis of differences among methods was supplemented by the Bland-Altman graphical method with the Wilcoxon paired test. The whole statistical analysis was performed using Excel and software R. Hotteling’s Test (p < 2.2e-16) rejected the hypothesis of agreement between the methods. The greatest influence on this rejection was attributed to the Omron BF511 method. In addition, the results of Wilcoxon’s matched pairs test confirmed the difference of the Omron BF511 method from the other three measurement methods. Bland-Altman graphical analysis showed that the Omron BF511 provided clearly higher values in comparison to the three remaining measurement methods of body fat percentage. The skinfold measurement, the Omron BF300 and the Bodystat 1500 were almost identical. For all the indirect methods it is necessary to validate the accuracy of their measurements using reference methods for the current local population. The skinfold thickness measurement method by Pařízková meets this requirement. Based on our results, the values determined by the devices Omron BF300 and Bodystat 1500 can also be considered applicable. The Omron BF511 does not provide results that could be considered sufficiently accurate for the purposes of research. In order to verify this conclusion the larger group of probands (n = 100 - 300) and a method of repeated measurements would be necessary.

8

Associations of nutrition and body composition with cardiovascular disease risk factors in soldiers during a 6-month deployment

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Nykänen T. , Pihlainen K. , Kyröläinen H. , Fogelholm M.

International Journal of Occupational Medicine and Environmental Health

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2020

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tom 33

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nr 4

457-466

EN

ObjectivesThis observational follow-up study investigated the associations of nutrition and body composition with cardiovascular disease (CVD) risk factors, including pro-inflammatory biomarkers, in soldiers during a 6-month deployment.Material and MethodsThirty-five male soldiers were assessed at months 0, 3 and 6, and their parameters, i.e., M±SD, were as follows: age 30.0±8.7 years, height 179±6 cm, and BMI 24.2±2.5 kg/m2. Three-day food diaries were used for monitoring macronutrient intake. Body composition was estimated using bioimpedance. Fasting blood samples for lipids and pro-inflammatory biomarkers were collected, and blood pressure measurements were performed.ResultsCarbohydrate intake increased and protein intake decreased at month 3 (p = 0.034, p < 0.001), while body composition remained stable. Systolic blood pressure increased at month 6, while other CVD risk factors remained within the reference values. Fat mass and body fat percentage were associated positively with total and low density lipoprotein (LDL) cholesterol concentrations at all measurement points. A negative association was found between the change in fiber intake vs. the change in total (r = –0.36, p = 0.033) and LDL cholesterol (r = –0.39, p = 0.019).ConclusionsLower fiber intake and a greater amount of body fat were associated with high total and LDL cholesterol concentrations. Nevertheless, the measured CVD risk factors remained within the reference values, except for the higher systolic blood pressure. A regular screening of body composition and a higher consumption of fiberrich foods may promote cardiometabolic health in soldiers.

9

Effect of Training on Morphological, Physiological and Biochemical Variables of U-19 Soccer Players

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Manna I. , Khanna G. , Dhara P.

Baltic Journal of Health and Physical Activity

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2011

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tom 3

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nr 4

237-247

EN

Background: The purpose of the study was to find out the effect of training on selected morphological, physiological and biochemical variables in soccer players under 19 years of age.Material/Methods: A total of 30 Indian male soccer players under 19 years of age (age: 16.00-18.99 yr) volunteered for this study. The training sessions were divided into 2 phases (i) Preparatory Phase (PP, 8 weeks) and (ii) Competitive Phase (CP, 4 weeks). The training programme consisted of aerobic, anaerobic and skill development, and was completed 4 hrs/day; 5 days/week. Selected morphological, physiological and biochemical variables were measured at zero level (baseline data, BD) and at the end of PP and CP.Results: A significant increase (P<0.05) in lean body mass, VO2max, anaerobic power, grip and back strength, urea and uric acid levels; and a decrease (P<0.05) in percentage of body fat, haemoglobin, total cholesterol, and LDL-C levels have been noted in PP and CP when compared to BD. However, no significant change was noted in stature, body mass, maximal heart rate, triglyceride and HDL-C levels of the players after the training.Conclusions: This study would provide useful information for training and selection of soccer players of under-19-year-old groups.

10

Relationship between diet and body fat percentage in female undergraduates

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Feč R. , Buková A. , Brtková M.

Physical Activity Review

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2015

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tom 3

22-31

EN

At the turn of the millennium obesity has become the most common metabolic disease due to changes in life conditions and lifestyle. The rise of overweight and obesity is the result of inadequate energy intake relative to its expense. Only 2 to 5% of all cases of overweight or obesity have objective medical causes. In view of energy balance, equally important to the amount of calories consumed is their distribution throughout the day. Other cases are clearly the result of improper lifestyle. A basic remedy to this condition appears to be an increase in the volume of regular physical activities and the establishment of an active healthy lifestyle. The aim of the research under the grant VEGA No. 1/1343/12 "Selected risk factors of obesity and its physical prevention" was to determine the relationship between selected factors of diet and the amount of body fat in female undergraduates. The study group consisted of female students at P.J. Šafarik University (n=620, average age=20.8 years). We examined the eating habits applying a non-standardized questionnaire compiled by ourselves. We followed the frequency of meals and their regularity, (breakfast, dinner), the time and quantity of the meals consumed in the evening hours. We determined the percentage of body fat using an Omron BF51 scale. We calculated the basic statistical characteristics (arithmetic mean, median). In order to detect statistically significant differences between particular variables, we applied the non-parametric Kruskal - Valis analysis of variance (H - test) and the Man - Whitney U test. Statistically significant differences in the percentage of fat was found in students divided into groups according to their responses regarding the variable "Frequency of meals" (p = 0.023), "Dinner regularity " (p = 0.001) and "Dinner time before bedtime" (p = 0.001). The research results show the importance of diet regularity and its optimal frequency. Especially important is the regularity of dinner, while the last meal should not be consumed later than 2 hours before bedtime.

11

Body Fat Deposition and Risk Factors of Cardiovascular Diseases in Men

75%

Fátima Glaner M. , Alves Lima W. , Borysiuk Z.

Human Movement

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2010

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tom 11

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nr 1

45-50

EN

Purpose. To determine whether risk factors for cardiovascular diseases (anthropometry, blood pressure, blood lipid profile) differ between men classified into the three relative body fat %BF categories (%BF ≤ 19: healthy; %BF>19 and %BF<30: overweight, and %BF ≥ 30: obesity).Basic procedures. A total of 112 volunteers from Brasília, Brazil, were submitted to the measurement of body weight, height and waist, abdominal and hip circumference. The body mass index (BMI) and waist-to-hip ratio (WHR) were calculated. %BF and body fat topography (arm, leg and trunk %BF) were estimated by dual-energy X-ray absorptiometry (DXA). Blood pressure was measured by auscultation and blood variables were determined by an enzymatic method. Univariate analysis of variance, one-way analysis of variance and the Scheffé post hoc test were used for statistical analysis (p<0.05).Main findings. The three %BF groups differed significantly in terms of body weight and body circumference measures, with higher mean values being observed the higher the %BF. Fasting glycemia and high-density lipoprotein did not differ between groups, indicating the interference of other factors. BMI, WHR, blood pressure, total cholesterol, low-density lipoprotein, triglycerides, atherogenic index and atherogenic cholesterol were statistically similar in the overweight and obese groups and differed significantly from the healthy group.Conclusions. Abdominal, waist, hip circumference and body fat topography (arm, leg and trunk %BF) differ between the three %BF groups. None of the blood variables differed significantly between the overweight and obese groups. The cutoff %BF>19 (measured by DXA) seems to be a good parameter to indicate cardiovascular risk factors in men.

12

Changes in body composition of senior females induced by strength-endurance motor program

75%

Horbacz A. , Bukova A. , Zelko A.

Prace Naukowe Akademii im. Jana Długosza w Częstochowie. Kultura Fizyczna

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2016

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tom 15

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nr 3

EN

The aim of work was to determine the effects of 8-week strength-endurance training program on somatic indicators in senior females. Applying bioelectrical impedance analysis method (InBODY 230 device) we evaluated the following parameters: body weight, BMI, body fat, total skeletal muscle mass, body fat percentage, skeletal muscle mass in left and right upper and lower extremities, trunk muscle mass, and the mineral mass in the body. To assess regularity of physical activities, variability of lifestyle and quality of life, we used a standardized survey questionnaire. The study was carried out on 29 senior citizens, of the average 70.28 years of age and BMI 26.47 kg/m². A group of active elderly women underwent an 8-week strength-endurance program, including exercises focused primarily on the development of strength abilities of the upper limbs, and secondarily on developing strength abilities of lower extremities and developing general aerobic abilities. The influence of the aerobic program induced statistically significant increase in the total skeletal muscle mass from the initial value of 22.966 kg to 23.552 kg, an increase by 0.552kg (p≤0.01) of the monitored parameter. On the contrary, the parameter of body fat percentage of the studied group showed significant decrease of the input value of 36.207%, to the output value of 35.062%, representing a change at the level of 1.145% (p ≤0.01). By assessment of changes in the muscle mass of upper limbs and the trunk, we found a statistically significant increase, which reflects a change in the total quantity of the skeletal muscle (p ≤0.005). The mineral mass in the probands increased by only 0.091 kg. However, this increase was confirmed at 0.1% level of statistical significance (p≤0.001). The above results indicate that regular performance of physical activities in groups of the elderly proves to be efficient in preventing sarcopenia, obesity and maintaining a balance of the particular tissues making up the total body composition.

PL

Celem artykułu było określenie wpływu 8-tygodniowego programu siłowo-wytrzymałościowego na wskaźniki somatyczne seniorek. Metody. Przy pomocy metody bioelektrycznej impedancji (InBody 230) oceniano parametry: masa ciała, BMI, ilość tkanki tłuszczowej, ilość mięśni szkieletowych, procenty tkanki tłuszczowej, ilość masy mięśniowej prawej i lewej górnej i dolnej kończyny, ilość masy mięśniowej w tułowiu i ilość minerałów. Aby ocenić prawidłowość aktywności fizycznej, styl i jakość życia, użyliśmy standaryzowanego kwestionariusza. W badaniach wzięło udział 29 seniorek, których średnia wieku wynosiła 70,28 lat, a BMI 26,47 kg/m2. Grupa aktywnych starszych kobiet wykonywała 8-tygodniowy program siłowo-wytrzymałościowy, który obejmował pierwotnie ćwiczenia na rozwój zdolności siłowo-wytrzymałościowych kończyn górnych, wtórnie na rozwój zdolności wytrzymałościowych kończyn dolnych oraz rozwój ogólnych zdolności aerobowych. Wyniki. Wpływ programu wywołał znaczny wzrost ilości mięśni szkieletowych – od wartości wejściowej 22.966 kg do 23.552 kg wartości wyjściowej, co oznacza zwiększenie wartości monitorowanego parametru o 0,552 kg (p ≤0,01). Z drugiej strony, parametr procent tkanki tłuszczowej badanej grupy wykazuje znaczny spadek wartości wejściowej 36.207% z wartością wyjściową 35.062%, co oznacza zmianę w poziomie o 1,145% (p ≤0,01). W celu oceny zmian masy mięśniowej górnych kończyn i tułowia, wykazano statystycznie istotny wzrost, który odzwierciedla zmiany w całkowitej ilości mięśni szkieletowych (p ≤0,005). Ilość minerałów w badanej grupie wzrosła tylko o 0,091 kg, jednak wzrost ten potwierdzono na poziomie 0,1% istotności statystycznej (p≤0,001). Podsumowanie. Wyniki te wskazują, że regularne wykonywanie ćwiczeń fizycznych w grupach starszych kobiet skutecznie zapobiega sarkopenii, otyłości oraz utrzymuje równowagę w udziale poszczególnych tkanek w stosunku do całkowitej masy ciała.

13

The assessment of serum concentration of adiponectin, leptin and serum carbohydrate antigen-19.9 in patients with pancreatic cancer and chronic pancreatitis

63%

Dranka-Bojarowska D. , Lekstan A. , Olakowski M. , Jablonska B. , Lewinski A. , Musialski P. , Sobczyk W. , Kapalka A. , Lampe P.

Journal of Physiology and Pharmacology

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2015

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tom 66

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nr 5

14

The night-eating syndrome, physical activity and BMI relationship in university students

63%

Uher I. , Bukova A. , Hancova M. , Rimarova K.

Prace Naukowe Akademii im. Jana Długosza w Częstochowie. Kultura Fizyczna

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2013

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tom 12

|

nr 2

EN

There is not a region in the world untouched by the obesity epidemic. Once just a problem of wealthy nations, obesity now impacts countries at all economic levels. The night-eating syndrome (NES) consists of evening hyperphagia or nocturnal eating. However, it is not consistently related to elevated BMI and physical activity (Nolan et al., 2012). We have evidence that the prevalence of NES is higher among overweight-related people, than in a general community. Nevertheless, the exact relationship between this syndrome, physical activity and obesity remains unclear. The reasons for the discrepancies found in the literature include varying diagnostic criteria and a wide range of study population characteristics. The aim of our cross sectional study, that is part of VEGA project “Selected risk factors of obesity and its prevention by physical activity” No.1/1343/12, was to investigate the relationship between the night-eating pattern, physical activity (PA) and BMI on a sample of university freshmen and fresh-women (774 males / 1142 females) with a mean age of 21,46 years (SD = 2.33).We found positive association between eating late, physical activity and BMI. However, we recognized some differences between sexes in physical activity and eating habits.

PL

Wszystkie regiony świata są dotknięte przez epidemię otyłości. Do niedawna problem ten dotyczył jedynie krajów rozwiniętych gospodarczo, teraz również problem mają kraje mniej rozwinięte i słabo rozwinięte gospodarczo. Zespół nocnego jedzenia (zespół odżywiania nocnego NES – night eating syndrom) obejmuje późne (hyperfagie) i nocne jedzenie. Istnieją różne poglądy na temat związku pomiędzy NES a wzrostem wskaźnika masy ciała i aktywnością fizyczną, a zależności opisywane w literaturze są niejednoznaczne (Nolan i in., 2012). Mamy dowody, aby twierdzić, że występowanie NES jest bardziej widoczne u osób z większą nadwagą niż u pozostałej populacji. Jednak dokładny związek pomiędzy NES i aktywnością fizyczną i otyłością pozostaje nieokreślony. Powodem tej rozbieżności wyników badań są różne kryteria diagnostyczne, jak również różnorodność badanej populacji. Celem naszego przekrojowego badania, które jest częścią projektu VEGA „wybrane czynniki ryzykowych faktorów otyłości i jej profilaktyka aktywnością fizyczną” No.1/1343/12, było zbadanie relacji między NES, aktywnością fizyczną i BMI studentów (774 mężczyzn / 1142 kobiet) ze średnią wieku 21,46 lat (zakres = 2,33). Stwierdziliśmy pozytywny związek między NES, aktywnością fizyczną i BMI. Z drugiej strony, zaobserwowaliśmy różnice między płciami, NES i aktywnością fizyczną.

15

Changes of body composition among university students depending on the consumption frequency of selected bakery products

63%

Gazarova M. , Meciarova L. , Menhartova S. , Bihari M.

Roczniki Państwowego Zakładu Higieny

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2021

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tom 72

|

nr 3

16

Effect of long-term vagal stimulation on food intake and body weight during diet induced obesity in rats

63%

Bugajski A. J. , Gil K. , Ziomber A. , Zurowski D. , Zaraska W. , Thor P. J.

Journal of Physiology and Pharmacology. Supplement

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2007

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tom 58

|

nr 1

5-12

17

Effect of neonatal beta3-adrenoceptor agonist CL 316,243 treatment on body fat accumulation and intestinal alkaline phosphatase activity in rats from reduced nests

63%

Sefcikova Z. , Racek L.

Folia Histochemica et Cytobiologica

|

2015

|

tom 53

|

nr 4

18

Body fat and quality of life in women treated for breast cancer

63%

Czerniak U. , Demuth A. , Krzykala M. , Ziolkowska-Lajp E.

Studies in Physical Culture and Tourism

|

2012

|

tom 19

|

nr 1

19

Daily step counts and selected biological and psychological variables in 16-18-year-old girls

63%

Kantanista A. , Lisowski P. , Glapa A.

Baltic Journal of Health and Physical Activity. The Journal of Gdansk University of Physical Education and Sport

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2014

|

tom 06

|

nr 1

EN

Background: The aim of this study was to assess the relationship between the number of steps a day and biological (body fat, lean body mass, BMI and estimated VO2 max) and psychological (self-efficacy, enjoyment of PA and self-perception of body image) factors in 16-18-year-old girls. Material/Methods: The study included data from 60 girls, aged 16-18. Voluntary participants were selected from a public high school in Poland. Number of steps was measured with a pedometer Yamax Digi-Walker, model SW 701, during 7 days. Girls were classified into three groups: low active, slightly active and active (5,000-7,499; 7,500-9,999; ≥ 10,000 steps/day, respectively). The levels of psychological factors were determined by means of a questionnaire survey. Estimated VO2 max was assessed by a 1-mile walk test. The percentage of body fat and lean body mass was evaluated using Bodystat 1,500, bio-impedance method. Results: Analysis of variance showed no statistically significant differences in the biological and psychological variables among low active, slightly active and active girls. Conclusions: Girls in the study performed approximately from 5,000 to 12,500 steps a day. To explain better relationships between daily step counts and psychological and biological variables future research should additionally involve girls with less than 5,000 steps a day and more than 12,500 steps a day.

20

Location of body fat by dual-energy X-ray absorptiometry in professional male field hockey players in relation to their field position

63%

Krzykala M.

Studies in Physical Culture and Tourism

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2009

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tom 16

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nr 2