The aim of this study was to identify trends of changes in the structure and levels of motor effects among young women basketball players in 2006-2013. These changes were examined in the context of comprehensive development of functional, fitness-related, and technical fundamentals with respect to requirements of specific training adopted as typical for targeted sports training stage. The research material was collected in 2006-2013 among young basketball players from the Greater Poland region. The study evaluated 169 girls (mean ± SD: age = 15.5 ± 0.5 years; height = 173.5 ± 5.8 cm; weight = 60.2 ± 7.9 kg). The measurements focused on the structure of motor effects in the athletes studied. For this purpose, the study used the International Physical Fitness Test. The study found that overall physical fitness of young women basketball players has been declining year by year. On the one hand, this might have been caused by the tendency for regression in motor modifications across generations that have been observed among populations. On the other hand, changes in weight-height ratio toward increasing obesity have also been observed. The results may serve as a kind of expertise about the structure of motor development of successive age groups of sports talented young women in light of training objectives at the targeted sports training stage as compared with trends typical for the general population. By describing the results of long-term research, this article offers a way of detecting possible positive or negative tendencies at a relatively early stage.
This paper reports the results of an experiment that aimed to study transfer training in fencing. Fencers from the experimental group underwent six-week transfer training while those from the control group underwent regular fencing training. The fencers’ performance was analyzed thrice: before the experimental training (pretest), immediately after it (posttest), and four weeks after it (retention test). Using a device that simulates fencing moves and analyzes the accuracy of such performance, participants completed, with both hands, three tests related to straight thrust accuracy. While no differences in hand grip strength was observed between the two groups across the three tests, significant differences occurred in terms of their performance on the device. The groups did not differ in the pretests and the retention tests. However, the fencers from the experimental group generally performed better in postests than prestests. These results show that bilateral transfer can be effective in foil fencing training, although its positive effects are short-term. In order to be effective, transfer training should be used as a regular training tool.
Purpose. The main objective of the study was to discern what trends are present in the structure of motor skills in young athletes by analyzing a group of basketball players within a context of their sports-specific training. Methods. Data were collected over a five-year period between 2006-2010 from 82 young Polish basketball players aged 15-16 years. In order to determine their motor skill level, the International Physical Fitness Test (IPFT) was administered. basic somatic parameters, such as height, weight, and body mass index, were also recorded. Results. Analysis of the significant differences between the mean IPFT scores for each year found relatively few statistically significant changes. No statistically significant changes were noted for somatic build. For motor skill level, an upward trend was found for speed, lower limb strength, arm strength, hand strength, abdominal endurance, and agility. Total IPFT scores for each subsequent year indicated a systematic improvement of the participants' general physical fitness levels. Conclusions. Despite only few of the results being statistically significant, the general trend of the changes in physical fitness levels is easily observed. Apart from the issue around the selection of surrounding selecting individuals to play in competitive sports, and in particular in which specific sports discipline, it was found that the training loads (such as the one used in boys basketball) have in most cases a positive impact on general physical fitness.
The map of candidate genes that can potentially affect physical fitness becomes larger every year, and they are associated with such aspects as respiratory and cardiovascular stability; body build and composition - especially muscle mass and strength; carbohydrate and lipid metabolism; response to training; and exercise intolerance.The aim of this study was to analyze the relationship between the CA repeat polymorphism of the P1 promoter of the IGF1 gene and the structure of motor skills in the two groups of Polish young athletes in 2007-2009. In this study, 350 young sportsmen representing different sports disciplines were examined (age = 15.5 ± 0.5 years), by genotyping the IGF1 gene and determining the structure of motor skills using the International Physical Fitness Test (IPFT) battery. The multiple stepwise regression was used to determine the impact of the investigated motor skills on the indicator of the overall physical fitness, measured by the total score of the International Physical Fitness Test (IPFT). The analysis showed some regularity related to the character of the IGF1 gene polymorphism. It can be concluded that the two groups of young boys athletes practicing various sports disciplines (kinds of physical exercise) displayed similar associations between CA repeat polymorphism of the P1 promoter of the IGF1 gene and the level of motor effects. Our results suggest that this polymorphism may be a genetic marker of the physical performance phenotype. We demonstrated that CA repeat polymorphism of the P1 promoter of the IGF1 gene was associated with strength predispositions in the homozygous and non-carriers groups. In the group who were heterozygous it was speed-strength aptitudes.
The aim of the present study was to determine the level of morphological asymmetry among the general population of Polish youth as it correlates to sex and body type. The anthropometric characteristics of a group of 618 Polish youths (354 males aged 19.5 ± 1.2 years and 264 females aged 19.2 ± 1.2 years) were evaluated to assess their somatotypes using the Heath-Carter method. Body composition was calculated using the bioelectrical impedance method, and the absolute asymmetry index was used for comparisons between the right and left sides of the body. Significant differentiation was observed between all morphological characteristics (� 0.0001) and two body types (� 0.0001) among sexes. Females and males largely exhibited endomorphic and mesomorphic somatotypes, respectively. The findings demonstrated that dominant somatotype and sex both affect the level of fat mass asymmetry in the arms and legs. Furthermore, significant variations in the levels of asymmetry between sexes were observed in fat mass in both the arms and legs, with greater variation observed in the arms. In the case of muscle mass, no great differences were observed between men, women, or body types. This study provides new data on the morphological asymmetry of given body composition according to somatotype and sex. This study has potential medical implications, given that a large degree of inter-limb imbalance could be shown to have a negative effect on health; the findings of the present study would therefore be important for arriving at an understanding of how to prevent such imbalances, or to mitigate their negative effects.
Introduction. The aim of the study was to determine the changes in selected motor parameters of highly skilled field hockey players during the training macrocycle. It was assumed that the changes in the parameters examined in the study would correspond with the hypothesised variation related to the adaptive changes that were expected to take place. Material and methods. The study involved eleven field hockey players from the KS AZS-AWF Poznań club (age = 22.3 ± 1.1 years; height = 176.5 ± 4.0 cm; weight = 75.2 ± 6.3 kg; %FM = 12.2 ± 3.9%; VO2max = 55.4 ± 4.85 ml/kg/min). The dates of the measurements were agreed on with the trainers, who played an active role in the study, and were consistent with the cycle of planned measurements that were aimed at assessing the implementation of training/competition loads (two measurements during the preparatory period and one during the competition period). We examined the fundamental elements of motor preparation that are considered important in field hockey, that is speed endurance, running speed, and aerobic endurance. These assessments were supplemented by the measurements of lactate concentration in capillary blood as well as those of jumping ability and agility. Results. In most cases, the changes in the actual results corresponded with the hypothesised values adopted for the training. The relationships between the levels of particular parameters of the players’ motor skills were adequate to a great extent. Conclusion. The effects of the training observed both for the entire team and for individual players were generally in line with the goals of the training/ competition loads implemented. Any discrepancies that were found were identified and corrected by regulating individual exercise loads and were monitored in subsequent measurements.
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