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Technical and tactical analysis of women’s volleyball

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Inkinen V., Häyrinen M., Linnamo V.
Biomedical Human Kinetics
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2013
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vol. 5
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issue 1
43-50
EN
Introduction: The study aim was to construct a technical and tactical analysis of women’s volleyball based on notational analysis in top-level and junior women’s European volleyball matches, to compare these two levels, and to clarify the differences between the winners and losers of a set. Material and Methods: Four matches from the 2010 FIVB Women’s Volleyball World Championships and 2010 CEV Junior Women’s European Championship 2010 were analyzed using Data Volley software. The number and performance level of different skills were recorded in total and were grouped according to the role of the players. Methods of scoring and attacking zones were also analyzed. Results: There were only slight differences between the two levels in terms of success in different skills. When the skill executions were compared between the winning and losing teams of a set within the levels, less successful skill executions and more errors in different skills were found for the losing teams. Conclusions: The results seem to indicate that there are only minor differences between adult and junior women’s volleyball at the highest level. Attacking seems to be the most important skill concerning winning in both levels. The efficiency of attacking seems to depend upon the quality and versatility of the setting and also from the physical abilities of the players.
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The predictors of cholelithiasis in female patients with metabolic syndrome

100%
Cojocaru D.-C., Mitu F., Dascălu C., Manole A., Dima-Cozma C.
Open Medicine
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2014
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vol. 9
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issue 1
108-114
EN
Cholesterol gallstone disease is often associated with the metabolic syndrome. Female gender is an unmodifiable risk factor for cholelithiasis and, in its turn, the metabolic syndrome features a sexual dimorphism which warns that a global approach might overlook important discrimination. We carried out a retrospective analytical case-control study in order to perform a comparative analysis between two groups of female patients with metabolic syndrome and gallstones (n=60) or without gallstones (n=65). All the patients were investigated by abdominal ultrasound and met at least three criteria for the diagnosis of metabolic syndrome. Cases and controls were compared regarding anthropometric measurements, a complex lipid profile, and liver function tests. The risks associated with the likelihood of gallstones were estimated by means of cross-tabulation. In order to rank the significant variables we developed a binary logistic regression model which identified lean body weight ≤ 46.44 kg (OR 0.165; 95% CI 0.045–0.611; P = 0.007), total cholesterol ≥ 4.9 mmol/L (OR 15.948; 95% CI 2.700–94.205; P = 0.002), and direct bilirubin > 5.1 µmol/L (OR 0.056; 95% CI 0.013–0.235; P < 0.001), as variables with significant probability of association with the risk of gallstones in women with metabolic syndrome.
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Physiological and perceptual responses to three consecutive official matches in female boxer. A case study

75%
Obmiński Z., Turowski D.
Biomedical Human Kinetics
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2014
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vol. 6
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issue 1
EN
Study aim: The purpose of this study was to assess the physiological cost of three consecutive official boxing fights played during a 3-day tournament and two non-contact specific drills against handheld pads of the same time-profile as the contest, 4 × 2 minutes with 1-minute intervals between them. This assessment was based on the determination of selected hormones and metabolites in the blood sampled directly prior to the contests and throughout short-term post-contest recovery. Material and methods: A female amateur boxer was enrolled on the study during a 3-day Polish Boxing Championship, where one match was played on each day. The timing of capillary blood sampling during each match and the drill was as follows: 10 minutes prior to the effort, and 3 and 30 minutes after its completion. Cortisol (C), testosterone (T), and glucose (G) were determined in the serum, while lactate (LA) was determined in the blood. In addition, prior to each effort, serum creatine kinase (CK) and urea (U) was determined. Directly after each effort, the perception of fatigue (PF) was rated. Results: G, C, and T during official matches were significantly higher than those during non-contact drills. Post-event G, C, T, and LA were higher compared to pre-event values. Conclusions: An official boxing match produced higher stress than a drill of the same time-profile and similar modality. Changes in blood indices corresponded well with the perception of fatigue.
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