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The aim of the work was to evaluate significant changes in body composition in Czech breastfeeding women during lactation and to confront them with the already available results of other similar studies. For this purpose, 10 female participants of the longitudinal study were selected. Body composition was determined by bioimpedance spectroscopy with a Fresenius Body Composition Monitor. Furthermore, anthropometric methods were used to evaluate the basic body parameters and compare their dependent loss with the values measured by BCM. The measurement was repeated in four periods - 3 weeks, 3 months, 6, and 9 months after delivery. During the observed period, an overall decrease in median weight of 4,2 kg was observed in lactating women. The median weight 9 months postpartum was still 1,2 kg greater than the median weight before pregnancy. No statistically significant differences in body composition were found during lactation. Human milk volume correlated positively with age of women (p = 0,0404; r = 0,3386), negatively with calf circumference (p = 0,0313; r = -0,3545), chin skinfold (p = 0,0198; r = -0,3816), triceps skinfold (p = 0,0905; r = -0,3302), LTI (p = 0,0216; r = -0,3767) and Cm (p = 0,0490; r = -0,3260). Correlations were also found between milk volume and some values needed to calculate...

Topic: Comparison of bodytypes and proportions to performance of athletes Goal: The goal is to compare bodytypes of world elite athletes from past and present in athletic throws. Second goal is to compare weight and height in different disciplines. Methods: Research in specialized sources, analyse and comparison athletes bodytypes. Comparison of bodytypes with performances in disciplines. Results: We created a document which contain if body proportions are affecting on a throwers performance in short and long therm. From our results is obvious that hight and weight are really matters in some disciplines. We found a strong dependence in javelin throw and in shot put. In disciplines where prevails rotation moves is dependence much low or there is practicaly none. In the second part we found out differences in hight and weight in throws through the time. Key words: bodytype, long performance, athletic throws, body composition, height, weight, BMI

Topic: Comparison of bodytypes, weight, hight and It'srelationship to performance Goal: The goal is to compare body types of world elite athletes from past and present in athletict hrows. Second goal is to compare weight and height in different disciplines. Methods: Research in specialized sources, analyse and comparison athletes body types. Comparison of body types with performances in disciplines. Results: Wecreated a dokument which contain if body proportions are affecting on a throwers performance in short and long therm. From our results is obvious that hight and weight are really matters in some disciplines. We found a strong dependence in javelin throw and in shot put. In disciplines where prevails rotation moves is dependence much lowor there is practicaly none. In the second part we foundout differences in hight and weight in throws through the time. Keywords: bodytype, long performance, athletic throws, body composition,height, weight, BMI

Bachelor thesis on "Use of Nordic Walking and compensation exercises for seniors and its impact on health" focuses on changes of physical fitness and body building during the twelve-week´s training cycle. Theoretical part deals with Nordic Walking and its technique and its influence and health effects. It also describes impact of physical activities on organism, aging and changes that are connected with it. Bachelor thesis is also focused on the compensation exercises. Practical part deals with characteristics of the research sample, methods used, interventional motion program and also overall results, which were found out through the input and output measurement.

The bachelor thesis theme "Nordic Walking and its effects on selected anthropometric parameters and fitness for women from the age of 45 " is focused on fitness changes and changes in their body composition during a twelve-week-long training cycle. The work is divided into a theoretical and a research part. The definition of walking technique of Nordic walking, its benefits and its effects, is defined in the theoretical part. There are also described body structure indicators and a physical activity influence on the organism. There is a study sample characteristic, the methods which were used and the overall evaluation of results in the research part. The educational material intended for measured probands is in the appendix.

This bachelor thesis explores the influence of nutrition on the physical composition of athletes. The present study is firmly grounded in theoretical findings derived from previously conducted studies on the same issue. More specifically, this thesis compares ideal nutrition composition of diet of athletes focusing on power sports with those athletes focusing on endurance sports. Whereas the first group strives to increase the overal weight throught a buildup of muscle weight, the second group is set either to decrease the overal body weight or at least keep such weight around a constant level. Furthemore, the study explores how specific nutrition and various dietary supplementations can be used to produce additional energy or help athletes to gain desired body weight and ideal body structure suitable for a particular sport discipline. Key words: nutrition, power sport, endurance sport, body composition