Temat: plywanie - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Biomechanika pływania - aspekty teoretyczne i badania doświadczalne zawodników
Biomechanics swimming-aspects of theoretical and experimental of players
Autorzy:: Woryna, B.
Jurkojć, J.
Skubacz, H.
Powiązania:: https://bibliotekanauki.pl/articles/98668.pdf
Data publikacji:: 2014
Wydawca:: Politechnika Śląska. Katedra Biomechatroniki
Tematy:: biomechanika
sport
pływanie
styl klasyczny
biomechanics
swimming
breaststroke
Opis:: W pracy przeprowadzono badania związane z pomiarami biomechanicznymi pływaków. Opracowano metodykę prowadzenia pomiarów oraz przeprowadzono wstępne badania, w ramach których dokonano pomiaru czasów przepłynięcia dystansu 100m stylem klasycznym wraz z międzyczasami oraz pomiarów momentów sił mięśniowych w warunkach izokinetycznych na stanowisku Biodex. Wyniki porównano i określono zależności pomiędzy wynikami osiągniętymi na basenie i podczas pomiarów w laboratorium.
In these thesis did a review based on different literature sources about biomechanical research among sportsmen. After that an author did a measurement of muscle torques on a Biodex chair. The author summarized the results which the swimmers got on a 100 meters distance with the results that they got by using biomechanical devices. The comparison showed that the swimmers which got the better results have less muscle fatigue and achieve greater muscle torques for the bending and straightening of the knee.
Źródło:: Aktualne Problemy Biomechaniki; 2014, 8; 169-172
1898-763X
Pojawia się w:: Aktualne Problemy Biomechaniki
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Anthropometric predispositions for swimming from the perspective of biomechanics
Autorzy:: Rejman, M.
Tyc, Ł.
Kociuba, M.
Bornikowska, A.
Rudnik, D.
Kozieł, S.
Powiązania:: https://bibliotekanauki.pl/articles/306959.pdf
Data publikacji:: 2018
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: pływanie
profil antropometryczny
biomechanika
swimming
anthropometric profile
biomechanics
Opis:: Early identification of anthropological potential in swimmers is considered important to the recruitment and selection of children and adolescents to perform extensive and strenuous training. The aim of the research was a comparative analysis of the anthropometric parameters and indicators of adult, elite swimmers with people who had never trained for swimming. It was assumed that the specific characteristics of the swimmers’ somatic composition referred to the laws of swimming biomechanics. Methods: Anthropometric measurements were taken in a group of elite male swimmers (N = 28), aged 17–24. The same set of measurements was taken in a homogeneous control group of students of physical education. An anthropometric profile significantly differentiating swimmers from the control group was constructed. Next, a linear forward stepwise discriminant analysis was conducted to investigate which indices can be used to distinguish the two groups. Results: It seems significant that a specific somatic composition trait of swimmers in the form of a relatively long shank was observed, which had not been observed in earlier studies. Additionally, indices of relatively slim hand dimension, and indices describing a “reversed triangle” shape of trunk, were the most powerful discrimination variables between the two examined groups. Conclusion: The results obtained cannot be generalised to the entire population of swimmers, however referring them to the laws of biomechanics of swimming allows for the continuation of research into identifying the prognostic traits desirable for success among young swimmers.
Źródło:: Acta of Bioengineering and Biomechanics; 2018, 20, 4; 151-159
1509-409X
2450-6303
Pojawia się w:: Acta of Bioengineering and Biomechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Gender effect on underwater undulatory swimming technique of young competitive swimmers
Autorzy:: Wądrzyk, Łukasz
Staszkiewicz, Robert
Kryst, Łukasz
Żegleń, Magdalena
Powiązania:: https://bibliotekanauki.pl/articles/307330.pdf
Data publikacji:: 2019
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: biomechanika
pływanie
różnice płci
nurkowanie
biomechanics
swimming
gender differences
underwater undulatory swimming
Opis:: The study aim was determining gender-related differences of underwater undulatory swimming (UUS) kinematic indicators and their impact on UUS velocity. Methods: The study included 18 girls (F: age 16.71 ± 0.64 years, FINA points 551 ± 68) and 23 boys (M: age 16.79 ± 0.57 years, FINA points 533 ± 66) training swimming. After marking characteristic anatomical points, subjects performed approximately 7 meters of UUS. A filming device placed behind the underwater window registered the trial. Recordings were analysed using the SkillSpector programme. Results: Boys swam faster (F: 1.24 m/s, M: 1.35 m/s), overcame a greater distance during one cycle (F: 0.67 m, M: 0.74 m), performed movements with higher toes amplitude (F: 0.58 m, M: 0.63 m), obtained higher amplitude and frequency product (F: 1.05, M: 1.15) and smaller ankle joint range of motion (F: 64°, M: 57°). In both groups, relationships between velocity and: maximal ankle joint extension, distance covered during one cycle and backward toes shift during downward movement were found. The results were statistically significant ( p < 0.05). Conclusions: Girls and boys differed in kinematic indicator level, but UUS velocity depends on identical kinematic variables, meaning UUS technical training can be performed without gender-division.
Źródło:: Acta of Bioengineering and Biomechanics; 2019, 21, 4; 3-11
1509-409X
2450-6303
Pojawia się w:: Acta of Bioengineering and Biomechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Hydrodynamic body shape analysis and their impact on swimming performance
Autorzy:: Li, T-Z.
Zhan, J.-M.
Powiązania:: https://bibliotekanauki.pl/articles/306315.pdf
Data publikacji:: 2015
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: pływanie
biomechanika
metoda VOF
symulacja numeryczna
swimming
biomechanics
swimmer's body shape
VOF method
numerical simulation
Opis:: This study presents the hydrodynamic characteristics of different adult male swimmer's body shape using computational fluid dynamics method. This simulation strategy is carried out by CFD fluent code with solving the 3D incompressible Navier–Stokes equations using the RNG k-ε turbulence closure. The water free surface is captured by the volume of fluid (VOF) method. A set of full body models, which is based on the anthropometrical characteristics of the most common male swimmers, is created by Computer Aided Industrial Design (CAID) software, Rhinoceros. The analysis of CFD results revealed that swimmer’s body shape has a noticeable effect on the hydrodynamics performances. This explains why male swimmer with an inverted triangle body shape has good hydrodynamic characteristics for competitive swimming.
Źródło:: Acta of Bioengineering and Biomechanics; 2015, 17, 4; 3-11
1509-409X
2450-6303
Pojawia się w:: Acta of Bioengineering and Biomechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Body composition and specific and general strength indices as predictors of 100-m front crawl performance
Autorzy:: Strzała, Marek
Stanula, Arkadiusz
Krężałek, Piotr
Sadowski, Wojciech
Wilk, Robert
Pałka, Tomasz
Sokołowski, Kamil
Radecki-Pawlik, Artur
Powiązania:: https://bibliotekanauki.pl/articles/27324098.pdf
Data publikacji:: 2020
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: swimming
strength
power
movement velocity
biomechanics
body composition
pływanie
wytrzymałość
moc
prędkość ruchu
biomechanika
skład ciała
Opis:: The purpose of this research was to examine the impact of body composition on the anaerobic ability to generate strength and power produced separately by upper and lower limbs during dry-land and in-water (propulsion force) tests. Further examination included the influence of all gathered anaerobic strength indices on the results of 100-m front crawl race. Methods: The study involved 26 male swimmers (age: 19.8 ± 2.48 years). Fat-free mass, total body water and muscle mass of arms, legs, and trunk were measured. Dry-land average work, maximal power generated in 40-second arm-cranking test, and work generated in 20 countermovement jumps were evaluated. The forces generated separately by arms and legs were assessed during 40-second tethered swimming. All indices of body composition were found strongly correlated with indices of average work and maximal power generated by arms and legs in dryland tests. Results: Muscle mass of arms and trunk moderately and strongly (r = 0.44–0.64) influenced the force generated by arms in tethered swimming. There was no significance in the relationship of leg muscle mass and force generated by legs in tethered swimming. Significant relationships were observed between the results of the 100-m front crawl and the muscle mass of the arms, trunk, legs, as well as the average work and maximal power in the arm-cranking test (r: 0.39–0.54). The average impulse of arm force and maximal leg force in tethered swimming moderately and significantly correlated with 100-m swimming results. Conclusions: The study concludes the relevance of developing muscle mass balanced to the body size, which is involved in propulsion force production in sprint front crawl swimming.
Źródło:: Acta of Bioengineering and Biomechanics; 2020, 22, 4; 51--60
1509-409X
2450-6303
Pojawia się w:: Acta of Bioengineering and Biomechanics
Dostawca treści:: Biblioteka Nauki

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