CHARACTER OF RELATIONSHIP BETWEEN SOMATIC COEFFICIENTS AND PHYSIOLOGICAL PARAMETERS THE 15-17 YEAR OLD ICE-HOCKEY PLAYERS

The somatic structure in the significant degree determines the possibilities of applying definite tactical solutions, he can limit or stimulate unreeling the competitor individual technique. Somatic conditions can be the limiter of the motor preparation and coordination. The aim of investigations was qualification of dependence between coefficients of the somatic parameters and coefficients of aerobic and anaerobic efficiency. In investigations participated hockey players of National Team Poland in the age from 15 to 17 years. Essential dependences stepped out between the coefficients of aerobic and anaerobic efficiency, and the coefficients of the somatic conditions counted from the value of mass and the length of the body. The number of appointed dependences is higher in hockey players team U18 in the comparison with hockey players team U15

RELATIONSHIPS OF PHYSICAL FITNESS TEST RESULTS AND PLAYER PERFORMANCE INDICATORS IN NATIONAL-LEVEL ICE HOCKEY PLAYERS

The aim of the study is to identify the relationships of the results of the physiological and anthropometric tests and special on-ice fitness tests with individual player performance indicators during matches of the Poland men's national ice hockey team played during the U18 Ice Hockey World Championship. A total of 20 hockey players (forwards, n=12 and defensemen, n=8) of the Poland men's national ice hockey team were included in this study. All participants were performed a battery tests including maximal aerobic capacity, Wingate test, Repeated-Skate Sprint test and vertical jump test. Pearson correlations were used to examine any differences in all measures and +/– score. Only the fatigue index calculated from the repeated-skate sprint test was significantly correlated with absolute +/– score (r=0.47, p0.05). The result of the aerobic capacity test, expressed by means of the oxygen intake value (V̇O2max), despite being statistically insignificant, reached the value of r=0.42. The results of this study suggest that game performance as indicated by the +/– score can be predicted by the fatigue index calculated from the repeated-skate sprint test

Control In Competitive Sport As Exemplified By A Women Basketball Team In The Polish First League

This article aims to present elements of control within the selected areas of motor preparation in competitive athletes established at rest and after exercise. Identifying the effect of fatigue on the values of the controlled coefficients allows assessing training effectiveness, comparing athletes for performance, as well as determining the kinetics of oxygen deficit, oxygen debt, oxygen uptake or the level of lactate concentration at different stages of continued exercise. This type of research provides both athletes and their coaches with immediate information on how well the former are prepared and enables the control of training results.This article aims to present elements of control within selected areas of motor preparation in competitive athletes established both at rest and after exercise. Identifying the effect of fatigue on the values of the controlled coefficients allows for assessing training effectiveness. Comparing athletes for performance, as well as determining the kinetics of oxygen deficit, oxygen debt, oxygen uptake or the level of lactate concentration at different stages of continued exercise. This type of research provides both athletes and their coaches with direct information on how well the former are prepared and enables the control of training results

Model of the distribution of diastolic left ventricular posterior wall thickness in healthy adults and its impact on the behavior of a string of virtual cardiomyocytes

Correlation of the thickness of the left ventricular posterior wall (LVPWd) with various parameters, including age, gender, weight and height, was investigated in this study using regression models. Multicenter derived database comprised over 4,000 healthy individuals. The developed models were further utilized in the in vitro-in vivo (IVIV) translation of the drug cardiac safety data with use of the mathematical model of human cardiomyocytes operating at the virtual healthy population level. LVPWd was assumed to be equivalent to the length of one-dimensional string of virtual cardiomyocyte cells which was presented, as other physiological factors, to be a parameter influencing the simulated pseudo-ECG (pseudoelectrocardiogram), QTcF and $\Delta$QTcF, both native and modified by exemplar drug (disopyramide) after $I_{Kr}$ current disruption. Simulation results support positive correlation between the LVPWd and QTcF/$\Delta$QTc. Developed models allow more detailed description of the virtual population and thus inter-individual variability influence on the drug cardiac safet

Effects of Hypoxia during Continuous and Intermittent Exercise on Glycaemic Control and Selected Markers of Vascular Function in Type 1 Diabetes.

Abstract Objectives The aim of the study was to assess the effect of continuous and intermittent exercise in hypoxia on glycaemic control and selected markers of vascular function in patients with Type 1 diabetes (T1D). Methods 12 patients suffering from T1D for 12.1±6.0 years and 12 healthy adults performed: continuous exercise (ExC) and intermittent exercise (ExInt) in normoxia and hypoxia (FiO₂=15.1%). Glycaemia and proangiogenic factors concentrations were measured at rest and immediately after exercise. Results T1D patients’ glycaemia decreased in response to ExC (p&lt;0.01) and ExInt (p&lt;0.05) under hypoxic conditions. ExInt in normoxia (p&lt;0.05) and hypoxia (p&lt;0.05) reduced HIF-1α in the T1D group. A tendency for vascular endothelial growth factor to increase after ExInt in hypoxia (6.0±3.8 vs. 17.1±13.07 pg/mL) and a proinflammatory cytokine TNF-α level to decrease (33.2±19.1 vs. 25.1±14.4 pg/mL) was found in the same group. Conclusions Combining exercise with hypoxia may allow more effective short-term glycaemic control in T1D. Intermittent exercise with hypoxia could stabilize the secretion of selected proangiogenic factors and reduce inflammation, potentially leading to improved vascular function.</jats:p

The Effect of Omega-3 Fatty Acid Supplementation on Serum Adipocytokines, Lipid Profile and Biochemical Markers of Inflammation in Recreational Runners

Background: The study aimed to evaluate the effects of a 3-week ω-3 PUFA supplementation on serum adipocytokines (i.e., adiponectin, leptin), neuregulin-4 (NRG4) and erythrocyte omega-3 (ω-3) fatty acid content, as well as the blood antioxidant defense capacity in non-elite endurance runners. Methods: Twenty-four runners were randomized into two groups: the supplemented group, who received omega free fatty acids extract containing 142 mg of EPA, 267 mg of DHA, 12 mg of vitamin E and 5 µg of vitamin D, each administrated at a dose of six capsules twice a day for three weeks, or the placebo group. Venous blood samples were withdrawn at the start and at the end of the study protocols to estimate serum biochemical variables. Results: A significantly higher ω-3 index and lower AA/EPA ratio was observed after ω-3 PUFA compared to pre-supplementation levels (p p < 0.001, respectively). An increase in baseline adiponectin and NRG4 levels, as well as a decrease of leptin concentration and lipid profile improvement, were observed in subjects after a ω-3 PUFA diet. The increased ω-3 index had a significant effect on TNFα levels and a serum marker of antioxidant defense. Conclusions: The ω-3 PUFA extract with added vitamin E and D supplementation may have a positive effect on the function of the adipocyte tissue, as well as the ability to prevent cardiovascular complications in athletes

Exhaled air metabolome analysis for pulmonary arterial hypertension fingerprints identification - the preliminary study

Pulmonary arterial hypertension (PAH) is a rare disease with a serious prognosis. The aim of this study was to identify biomarkers for PAH in the breath phase and to prepare an automatic classification method to determine the changing metabolome trends and molecular mapping. A group of 37 patients (F/M: 8/29 women, mean age 60.4 &plusmn; 10.9 years, BMI 27.6 &plusmn; 6.0 kg/m2) with diagnosed PAH were enrolled in the study. The breath phase of all the patients was collected on a highly porous septic material using a special patented holder PL230578, OHIM 002890789-0001. The collected air was then examined with gas chromatography coupled with mass spectrometry (GC/MS). The algorithms of Spectral Clustering, KMeans, DBSCAN, and hierarchical clustering methods were used to perform the cluster analysis. The identification of the changes in the ratio of the whole spectra of biomarkers allowed us to obtain a multidimensional pathway for PAH characteristics and showed the metabolome differences in the four subgroups divided by the cluster analysis. The use of GC/MS, supported with novel porous polymeric materials, for the breath phase analysis seems to be a useful tool in selecting bio-fingerprints in patients with PAH. The four metabolome classes which were obtained constitute novel data in the PAH population