Purpose. To develop an algorithm of special analysis for improving the training process, based on the identification of indicators of technical and tactical actions in the competitive activity of skilled volleyball players. Material and Methods. The study analyzed 2,688 technical and tactical indicators of the competitive activity of 56 players of national volleyball teams which played 6 games in the 2019 CEV Volleyball European Championship, taking into account the athletes’ playing roles, based on the methods of analysis of the competitive activity, analysis of generalization of practical experience, and theoretical modeling. Results. The study interpreted the total performance indicators of the competitive activity of skilled volleyball players, the indicators of technical and tactical activity in the competitive process, the ratio of performance indicators in skilled volleyball players in position zones. Conclusions. The modified algorithm of special analysis of indicators of technical and tactical actions has the following structure: analysis of quantitative characteristics of team, group and individual actions in attack and defense; chronological analysis of the competitive activity development in sets; analysis of playing actions in various zones of the court; comparative analysis of quantitative indicators of technical and tactical actions of volleyball players who directly counteract in the match; analysis of critical moments of the game, which is directly related to organizing and holding a particular match; interpretation and qualitative analysis of indicators of technical and tactical actions in a particular match. Based on the analysis of success and performance indicators of the competitive activity of Ukraine’s national volleyball team in the qualifying tournament of the 2019 European Championship (group F), it can be said that the modified algorithm of special analysis of indicators of technical and tactical actions showed high efficiency.
PURPOSE: Present study aimed to determine the effects of muscular relaxation and visualisation exercises on psycho-emotional state in women after breast cancer surgery during a 4-week individualised intervention. METHODS: The sample size of 51 women was chosen to perform the investigation. Women had undergone surgical treatment (radical mastectomy by Madden) for breast cancer. Participants reported anxiety and depression using the Hospital Anxiety and Depression Scale at baseline, and 4-week post-intervention. They were randomly assigned for the group A ( n = 26) that received progressive muscular relaxation and visualization exercises in addition to individualised physical rehabilitation intervention, and the group B ( n = 25) only received individualised physical rehabilitation intervention. RESULTS: It was found that psycho-emotional parameters steadily improved in both groups during a 4-week individualised intervention. However, based on the results of the 4-week monitoring, it has been established that using progressive muscular relaxation and visualization exercises in addition to the individualised physical intervention are more effective for reducing self-reported anxiety in women at hospital inpatient department. The post-intervention level of anxiety was statistically lower in women of the group A compared with the group B by 2.52 points ( p < 0.05). CONCLUSIONS: These findings showed that progressive muscular relaxation and visualization exercises were effective interventions that had a favorable impact on anxiety in women after breast cancer surgery.
Introduction: The aim of this study was to examine the effect of yoga on heart rate variability in patients with breast cancer in an outpatient rehabilitation program. Material and methods: Eighty-four patients with breast cancer were eligible for this study. After the exclusion of 7 women, participants were randomly allocated to a yoga exercise program (group A, n=33) and Pilates exercise program (group B, n=44). Heart rate variability parameters were evaluated at baseline, after six and twelve months of yoga exercises. Results: After twelve months of performing yoga exercises, standard deviation of the normal-to-normal intervals (SDNN) improved by 5.53 ms (p<0.001), square root of the mean of the squared differences between adjacent normal RR interval (RMSSD) improved by 4.91 ms (p<0.01), total power (TP) improved by 279.78 ms2 (p<0.001), very low frequency (VLF) improved by 109.76 ms2 (p<0.01), low frequency (LF) improved by 88.38 ms2 (p<0.01), high frequency (HF) improved by 77.60 ms2 (p<0.05), and stress index (Si) improved by 137.24 c.u. (p<0.01). Based on the results after 12 months, women in group A showed significantly better results compared to group B in SDNN by 3.28 ms (p<0.05), RMSSD by 3.34 ms (p<0.05), TP by 170.33 ms2 (p<0.05), HF by 64.33 (p<0.05), and Si by 56.49 c.u. (p<0.05). Conclusions: Performing the yoga exercise program resulted in an increase of the parasympathetic and baroreflex effects on the cardiovascular system and a decrease in the tonic effects of the sympathetic nervous system. Yoga should be considered as an effective tool in normalizing the functional state of the autonomic nervous system. breast cancer, heart rate, pilates, yoga
Introduction: The aim of the study was to analyze the changes in the indices of the autonomic nervous system and the adaptive capacity of Ukrainian Super League handball players prior to significant competitions. Material and methods: This research involved 39 handball players from the Ukrainian Super League aged 18-22 years old. The study examined the overall tone of the autonomic nervous system (ANS) measuring electrodermal activity of the athletes. Reactivity of the ANS of players was monitored by the method of R. Baevskyy, the efficiency of competitive activity in handball was analyzed by the integral index of technical and tactical handball skills. Results: Before the competition, the reaction in the sympathoadrenal system was launched for vagotonics as the intended response to the upcoming games. The measured indicators marked mental stress and activation of the sympathoadrenal system for the sympathotonics group. The аtonics group provided the emotional ground due to the balanced influence of para-and sympathetic divisions of the autonomic nervous system. Conclusions: The index of functional changes in all participants detected a satisfactory level of adaptation. The highest sympathetic activity was observed for аtonics, the lowest-for vagotonics. The best results were documented for athletes who did not have autonomic dysfunction and those who had a slight predominance of the sympathetic component of the autonomic regulation.
The paper reports the way of regenerating the oil and fat industry waste by using in elastomeric composition based on polydiene. Chemical composition, physical and mechanical properties of oil- and wax-containing fraction as a secondary raw material of sunflower oil production were determined using modern instrumental methods. The complex of technological, vulcanization, physical, mechanical, and other properties of filled and non-filled model elastomeric composition based on butadiene--methylstyrene rubber with 1.5 phr of oil- and wax-containing fraction was studied. The feasibility of using the studied bio-additives in filled elastomeric compositions with provides a high level of their properties and widens the range of ecologically safe ingredients from renewable plant raw material.
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