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ASSESSMENT OF ANAEROBIC ENDURANCE BASED ON SELECTED BIOCHEMICAL PARAMETERS IN 400 M/400 M HURDLES MALE ATHLETES

100%
Stolecka-Warzecha A., Kaczmarczyk T., Żebrowska A.
Central European Journal of Sport Sciences and Medicine
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2016
|
vol. 14
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issue 2
101 - 110
EN
The ongoing development of the modern society may also be easily noticed in sports. Currently, to be able to compete at the highest level at major sporting events, it is essential to conduct scientific research to estimate the individual potential and skill level of an athlete. The aim of this study was to assess the anaerobic endurance in men competing in the running events of 400 m/400 m hurdles based on the estimation of maximum power, as well as selected biochemical and physiological parameters measured in a cardiac stress test at a supramaximal intensity. Seven athletes participated in the study and were subjected to a modified version of the Wingate test (Bar-Or, Dotan, Inbar, 1997; Bar-Or, Inbar, Skinder, 1996) which involved performing three runs of a 12‑second endurance test on a cycloergometer at short intervals. This modification of the test allowed a more precise observation and a better understanding of the physiological and biochemical changes that decrease the efficiency as a result of repeated physical effort, which may significantly affect the assessment of the preparation of an athlete, and thus the assessment of the training process. The most significant changes in the course of the conducted study were observed in the values of the following biochemical parameters: glucose levels, acid–base balance of the blood and lactate levels.
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Aerobic and Anaerobic Endurance of Disabled Swimmers in Special Preparation Sub-Period

100%
Rafał S., Wojciech S., Dawid K., Anna Ż.
Baltic Journal of Health and Physical Activity
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2012
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vol. 4
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issue 4
231-237
EN
Background: The purpose of the study was to investigate whether, in addition to an expected increase in anaerobic endurance, aerobic endurance of disabled swimmers would also improve in a special preparation sub-period. Furthermore, decision was made to examine whether the applied tests prove sufficiently sensitive for swimmers with disabilities as well. Material/Methods: The study included 12 disabled swimmers from a section of the Polish Sports Association for the Disabled “START” Wroclaw. Two standardized tests were used. The T- 30 test was used to evaluate aerobic endurance and the 6x50 m test was applied to estimate anaerobic endurance. For all analyzed parameters the median, first (Q1) and third (Q3) quartiles were calculated. To determine the significance of differences between the results obtained in the preliminary and the control test, the nonparametric Wilcoxon test for dependent samples was used. Statistical significance was considered at p ≤ 0.05. Results: Total distance median in the T-30 test (DST1 = 1575.5 m vs DST2 = 1650 m) improved in a statistically significant way (p = 0.02). Analyzing the results obtained in the entire group of athletes in the 6x50 m test, for each single section of 50 m, it was observed that the swimming time was significantly shorter during the second study (p < 0.05) but the first section of 50 meters. Conclusions: In a sub-period of special preparation both aerobic and anaerobic endurance of disabled swimmers improved. A more significant improvement was observed in terms of anaerobic endurance, as it occurred for all swimmers. The T-30 and 6x50 m tests proved to be a sensitive tool for assessing aerobic and anaerobic endurance of swimmers with disabilities.
3
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The Effects of Acoustic Disturbance on Anaerobic Endurance in Female Volleyball Players

100%
Sienkiewicz-Dianzenza E., Baranowska M. B., Stupnicki R.
Human Movement
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2015
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vol. 16
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issue 1
33-35
EN
Purpose.The purpose of the study was to assess anaerobic endurance in volleyball players through repeated vertical jump performance under quiet and noisy conditions. Methods. A group of 12 female players aged 19-28 year completed six sets of eight standing vertical jump jumps; jump height and heart rate before and after the protocol were measured in quiet and noisy (fan cheering) conditions. Results. Maximum and minimum vertical jump heights were higher and intragroup differences were smaller in noisy than quiet conditions. Conclusions. Vertical jump testing, a measure of physical activity typical of volleyball, is suitable for monitoring training effects. The influence of noise typical during volleyball matches had a positive effect on player performance and anaerobic endurance.
4
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Relationships between Balance and Functional Performance in Football Players

88%
Erkmen N., Taşkin H., Sanioğlu A., Kaplan T., Baştürk D.
Journal of Human Kinetics
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2010
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vol. 26
21-29
EN
The aim of the present study was to examine the relationships between balance performance as measured by the Balance Error Scoring System and functional performance in football players. Twenty-two football players from University League Final Group in Turkey (age 23.05 ± 1.65 years, height 176.58 ± 6.99 cm, weight 68.80 ± 7.00 kg) volunteered to participate in the study. Postural performance was measured by the Balance Error Scoring System (BESS). For functional performance, standing broad jump, triple-hop, vertical jump, four-line sprint and three-corner run test were used. There was not a statistically significant relationship among the all BESS scores and triplehop in non-dominant leg, power, four-line sprint, and three-corner run performances (p<0.05). Triple-hop in dominant leg performance correlated with foam surface, tandem leg and total BESS score (r = 0.755, p < 0.01; r = 0.664, p < 0.05; r = 0.713, p< 0.01, respectively). Standing broad jump performance correlated with foam surface, tandem leg and total BESS score (r = 0.737, p < 0.01; r = 0.692, p < 0.05; r = 0.617, p< 0.05, respectively). There was a statistically significant relationship among the single leg BESS score and vertical jumping performance (r = -0.596, p<0.05). In conclusion, the activities requiring explosive power may reflect the ability of managing a balanced posture but the activities in which time period is longer may not.
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