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    Tytuł:
    Symmetry of proprioceptive sense in female soccer players
    Autorzy:
    Iwańska, D.
    Karczewska, M.
    Madej, A.
    Urbanik, Cz.
    Powiązania:
    https://bibliotekanauki.pl/articles/306363.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    propriocepcja
    symetria
    kobieta
    piłkarze nożni
    proprioception
    symmetry
    female
    soccer players
    Opis:
    Purpose: The purpose of the study was to assess the symmetry of proprioceptive sense among female soccer players when trying to reproduce isometric knee extensions (right and left) and to analyze the impact of a given level of muscle force on proprioception. Methods: The study involved 12 soccer players aged 19.5 ± 2.65 years. Soccer players performed a control measurement of a maximum 3s (knee at the 90°) position in the joint. Subsequently, 70%, 50%, and 30% of the maximum voluntary contraction (MVC) were all calculated and then reproduced by each subject with feedback. Next, the players reproduced the predefined muscle contraction values in three sequences: A – 50%, 70%, 30%; B – 50%, 30%, 70%; C – 70%, 30%, 50% of MVC without visual control. Results: In every sequence, the participants found obtaining the value of 30% of MVC the most difficult. The value they reproduced most accurately was 70% of MVC. Both trial II and trial III demonstrated that the symmetry index SI significantly differed from values considered acceptable (SIRa). In each successive sequence the largest asymmetry occurred while reproducing the lowest values of MVC (30%) (p < 0.05). Conclusion: High level of prioprioceptive sense is important to soccer players due to the extensive overload associated with dynamics stops or changes in direction while running. Special attention should be paid to develop skills in sensing force of varying levels. It was much harder to reproduce the predefined values if there was no feedback.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2015, 17, 2; 155-163
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of Variable-Intensity Running Training and Circuit Training on Selected Physiological Parameters of Soccer Players
    Autorzy:
    Ambroży, Tadeusz
    Nowak, Mateusz
    Omorczyk, Jarosław
    Wrześniewski, Krzysztof
    Ozimek, Mariusz
    Duda, Henryk
    Mucha, Dawid
    Ceranowicz, Piotr
    Pałka, Tomasz
    Stanula, Arkadiusz
    Mucha, Dariusz
    Powiązania:
    https://bibliotekanauki.pl/articles/1030576.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
    Tematy:
    circuit training
    physiological parameters
    soccer players
    variable-intensity running training
    Opis:
    Proper planning of the training process based on individual LT and AT metabolic thresholds is essential to improve athletic performance. Development of endurance in soccer players is mainly based on continuous runs and variable-intensity runs, supplemented with strength conditioning and sport-specific training. The aim of the study was to analyse selected parameters of physical capacity of soccer players after 8-week variable-intensity running training and circuit training. The experiment was carried out in a group of 34 soccer players aged 21 to 26 years. The athletes were divided into two groups: 17 people in the experimental group and 17 people in the control group. The experimental group was involved in 30-minute tempo runs two times a week for 8 weeks with variable intensity at AT. In the same period, the control group performed two 60-minute continuous runs at the intensity of 70-75%HRmax. The determination of metabolic thresholds used two indirect tests: the multistage shuttle run test (beep test) and maximal lactate steady state test (MLSS) with author's own modification. In order to evaluate maximal heart rate (HRmax), the research procedure was started from the beep test (distance: 20 m). The speed at the first level was 8.5 km/h and increased with each level by 0.5 km/h. Training of the experimental group where variable exercise intensity was used caused a statistically significant increase in HRmax (by 1.9%) and blood lactate levels at the AT (by 20.5%). The training in the experimental group led to the statistically significant (p < 0.05) increase in the parameters of the following variables: HRmax (by 1.9%); lactate level (by 7.85); HR at the AT (by 1,9%); lactate level at the AT (by 20.5%). The assumptions of the experimental training did not cause statistically significant changes in pretest vs. posttest HRmax and blood lactate levels for the LT. Endurance training with high intensity is more effective in soccer players compared to training with moderate intensity. Development of special endurance in soccer should also assume the intensity and method of working similar to the method used during sport competition.
    Źródło:
    Central European Journal of Sport Sciences and Medicine; 2018, 23, 3; 25-35
    2300-9705
    2353-2807
    Pojawia się w:
    Central European Journal of Sport Sciences and Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Effects of Small-Sided Games on Fitness Components and Technical Abilities among Youth Soccer Players
    Autorzy:
    Faridz Ahmad, Mohd
    Fook Lee Low, Jeffrey
    MD Nadzalan, Ali
    Powiązania:
    https://bibliotekanauki.pl/articles/32479028.pdf
    Data publikacji:
    2024
    Wydawca:
    Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
    Tematy:
    small-sided games (SSG)
    fitness components
    technical abilities
    youth soccer players
    Opis:
    Small-sided games (SSG) is one of the increasingly popular training method in developing fitness components and technical abilities among soccer players. The objective of this study was to investigate the effectiveness of SSG training towards player’s fitness components and technical abilities after six weeks of training program among youth soccer players. Sixty youth soccer players (M = 19.98 years of age; SD = 0.97) were recruited in this study and were divided into SSG intervention group (IG, N = 30) and control group (CG, N = 30). Agility, speed, cardiovascular endurance, passing and dribbling tests were conducted pre- and post- six weeks of training. Results showed that there was a statistically significant difference on speed, passing, dribbling and VO2max in the post-test among the IG group. When compared to CG, IG were shown to perform better at speed, dribbling and VO2max as it showed a significant difference between groups. As a conclusion, SSG training method can improve speed, passing, dribbling and VO2max. Therefore, this study recommends SSG training to be apply towards youth soccer players.
    Źródło:
    Central European Journal of Sport Sciences and Medicine; 2024, 45; 83-93
    2300-9705
    2353-2807
    Pojawia się w:
    Central European Journal of Sport Sciences and Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Leg strength and power in Polish striker soccer players
    Autorzy:
    Buśko, K.
    Górski, M.
    Nikolaidis, P. T.
    Mazur-Różycka, J.
    Łach, P.
    Staniak, Z.
    Gajewski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/307478.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    izokinetyka
    moment siły
    moc
    force sense
    height of jump
    isokinetic
    peak torque
    power
    striker soccer players
    Opis:
    The main goal of the present study was to examine muscle strength and power of dominant and non-dominant leg, knee extensors and flexors, and their correlations with jumping performances in soccer players. A secondary aim was to evaluate muscle sense. Methods: 31 male professional strikers (age 20.9 ± 2.3 years, body mass 75.1 ± 6.6 kg, body height 179.5 ± 4.7 cm) participated in the study. The power output of lower extremities and the height of rise of the body mass centre during vertical jumps were measured using a force plate. The maximum muscle torque of the flexors and extensors of the knee were measured under isometric conditions using a special isometric torquemeter. Force sense was measured in isometric conditions in two tests: (a) fifty percent of the maximal voluntary contraction was set as a value of target force and the participants were instructed to reproduce the target force, (b) the participants attempted to develop a torque reproducing a sine course within the range of 10 to 50% of MVC performed. Results: A direct relationship was observed between the peak muscle torque in knee extensors developed during isokinetic contraction at all velocities and power and height of three types of vertical jumps ( p < 0.05). No correlation was observed between jumping performance and muscle torque under isometric condition. No differences were found in strength and jumping abilities as well as in force sense between dominant and non-dominant legs. Conclusions: This study offered a comprehensive and complete evaluation of leg muscle strength, sense and power, with the use of using force plate and isokinetic dynamometry.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2018, 20, 2; 109-116
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Cross-sectional Analysis of the Challenges Faced by Hungarian Women’s First Division Football Teams Based on Coaches and Players Statistics
    Przekrojowa analiza wyzwań stojących przed węgierskimi kobiecymi drużynami piłkarskimi w pierwszej lidze na podstawie statystyk trenerów i zawodniczek
    Autorzy:
    Tóth, Dorottya
    Ács, Pongrác
    Derkács, Evelin
    Prémusz, Viktória
    Krutek, László
    Szabó, Zoltán
    Filó, Csilla
    Elbert, Gábor
    Powiązania:
    https://bibliotekanauki.pl/articles/2159209.pdf
    Data publikacji:
    2022-12-30
    Wydawca:
    Akademia Bialska Nauk Stosowanych im. Jana Pawła II w Białej Podlaskiej
    Tematy:
    women’s football
    football players
    soccer
    coaching
    football
    coach
    piłka nożna kobiet
    piłkarze
    piłka nożna
    trener
    Opis:
    Background. The current situation experienced by football clubs in the Hungarian women’s first division was analyzed. It was assumed that: one of the obstacles for the development is the presence of non-skilled sports experts (H1); all the foreign players achieve better results than the Hungarians (H2); and the foreign players are older than the Hungarians on average (H3). Material and methods. In this study, the qualifications of the coaches in women’s football were compared with those in the men’s first division. The number of games played, performance statistics and average age amongst the players were studied as well. The data was analyzed using crosstab and two sample T-tests. Results. H1 was confirmed by T-test and the significant result between the two groups was p=0.00. H2 was confirmed as well: the performance analysis was significant and the foreign players achieve better results (p=0.001). The Hungarian players have better results in terms of the number of games, the number of performances in the starting lineup and the number of seasons played in the first division. Conclusions. The examined problems in Hungarian women’s football have been proven. All the areas of women’s football considered in this study require development, especially in terms of the academic qualities of the coaches, which widely affect the team’ performance.
    Wprowadzenie. Przeanalizowano obecną sytuację, jakiej doświadczają kluby piłkarskie w węgierskiej pierwszej lidze kobiet. Założono, że jedną z przeszkód w rozwoju jest obecność niewykwalifikowanych ekspertów sportowych (H1), że wszystkie zagraniczne zawodniczki osiągają lepsze wyniki niż Węgierki (H2), a także, że zawodniczki zagraniczne są średnio starsze niż Węgierki (H3). Materiał i metody. W niniejszym badaniu porównano kwalifikacje trenerów w piłce nożnej kobiet z kwalifikacjami ich odpowiedników w pierwszej lidze męskiej. Przeanalizowano również liczbę rozegranych spotkań, statystykę występów i średnią wieku wśród zawodniczek. Dane analizowano za pomocą crosstab oraz T-testów do porównania obu grup. Wyniki. H1 potwierdzono T-testem, a wynik istotny pomiędzy obiema grupami wynosił p=0.00. H2 zostało również potwierdzone: analiza rozegranych spotkań dała istotny wynik, a zagraniczne zawodniczki osiągnęły lepsze wyniki (p=0.001). Węgierki uzyskały lepsze wyniki pod względem liczby rozegranych meczy, obecności w pierwszym składzie oraz liczby sezonów rozegranych w pierwszej lidze. Wnioski. Badane problemy w węgierskiej piłce nożnej kobiet zostały potwierdzone. Wszystkie przeanalizowane w niniejszym badaniu obszary piłki nożnej kobiet wymagają rozwoju, szczególnie w zakresie kwalifikacji naukowych trenerów, które w dużym stopniu wpływają na wyniki drużyn.
    Źródło:
    Health Problems of Civilization; 2022, 16, 4; 360-368
    2353-6942
    2354-0265
    Pojawia się w:
    Health Problems of Civilization
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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