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Wyszukujesz frazę "Winiarski, S." wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
Symmetry of support scull and vertical position stability in synchronized swimming
Autorzy:
Winiarski, S.
Dubiel-Wuchowicz, K.
Rutkowska-Kucharska, A.
Powiązania:
https://bibliotekanauki.pl/articles/306427.pdf
Data publikacji:
2013
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
dynamical asymmetry index (DAI)
stability
synchronized swimming
stabilność
pływanie
DAI
Opis:
Maintaining the body underwater in the so-called vertical position, where the body is inverted (head down) and balanced, is made possible by performing the support scull movement by the upper limbs. In synchronized swimming, the main criteria for judging this vertical position are maintaining body stability and the maximum height of the lower limbs one is able to extend out of the water. Therefore, it seems important to examine for any correlations between the symmetry of the upper limb’s movement (sculling) and the ability to maintain balance of the body. The aim of this study was to use a dynamical asymmetry index (DAI) to assess the symmetry of the upper limb movements performed in synchronized swimming. The use of the dynamical asymmetry index is considered to be advantageous over the asymmetry coefficient, which is better known in literature on the subject and has been used by numerous authors, as it not only evaluates the magnitude of the asymmetry, but also indicates in which phases of movement asymmetry is the greatest or where it is the least significant.
Źródło:
Acta of Bioengineering and Biomechanics; 2013, 15, 1; 113-122
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of systemic cryotherapy on physical fitness
Autorzy:
Roslanowski, A.
Glibowski, E.
Winiarski, S.
Wilk, I.
Powiązania:
https://bibliotekanauki.pl/articles/1670.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Opolski. Instytut Nauk o Zdrowiu
Tematy:
human body
cryotherapy
broad effect
systemic cryotherapy
physical fitness
Opis:
Background: Systemic cryotherapy has broad effects on the human body. These include improved immunity, accelerated tissue regeneration, activation of thermoregulatory mechanisms, analgesic effects, and reduced muscle tension and spasticity without compromising strength. Aim of the study: To evaluate the effect of systemic cryotherapy on physical fitness. Material and methods: The 43 participants (42 – 53 years of age) underwent 10 daily treatments in a nitrogen cryochamber over two consecutive weeks. Each cryochamber treatment lasted for 3 minutes at -130°C. Physical fitness was tested before and after the cryochamber treatment course using elements of three physical testing methods (a functional movement screen, a TKKF physical fitness test and a general fitness test). Results: After cryotherapy, there was a visible improvement in the first four exercises of the fitness test with fewer participants feeling pain during movement, and more able to perform the exercises correctly or perfectly. For the remaining three exercises, the changes occurred in fewer subjects and to a lesser extent. Conclusions: Systemic cryotherapy was associated with improved physical fitness. It can be used to help increase overall physical fitness as a complementary and supportive process.
Źródło:
Medical Science Pulse; 2018, 12, 2
2544-1558
2544-1620
Pojawia się w:
Medical Science Pulse
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Foot mechanics in young women are altered after walking in high-heeled shoes
Autorzy:
Winiarski, S.
Rutkowska-Kucharska, A.
Zostawa, P.
Uścinowicz-Zostawa, N.
Klich, S.
Powiązania:
https://bibliotekanauki.pl/articles/307334.pdf
Data publikacji:
2017
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
analiza chodu
reakcja podłoża
stopa
gait analysis
high-heeled shoes
ground reaction forces
foot rockers
foot deformities
Opis:
Nowadays, fashion has caused that many young women are wearing high-heeled shoes. Therefore, the aim of this study was to examine the effects of long-term walking in high-heeled shoes on the foot mechanics during barefoot gait. Methods: Forty-three young women (22 ± 2.1 years) divided into two groups participated in this retrospective cohort study. The first group was composed of women who frequently wear high-heeled footwear. The second, infrequent wearers group, consisted of women who preferred flat-heeled shoes. Measurements of gait parameters were recorded for barefoot gait. A motion analysis system and two force plates were used in order to evaluate the lower-limb rocker mechanism, transverse foot arch height and parameters of ground reaction force. Results: Walking in high-heeled shoes modified barefoot foot mechanics, which manifested itself in a shorter duration (by ca. 4%) of the first and second rocker and a significantly longer duration (by 5%) of the third rocker phase as well as a substantial reduction in height of the transverse foot arch (by around 50%) in women habitually walking in high-heeled shoes. A significantly shorter relative duration of the third rocker (44.3% of cycle time) and greater value of the vertical component of ground reaction force (114.7% BW) in the third rocker phase were found in the group of women habitually walking in high-heeled shoes. Conclusions: The mechanism of foot rolling, with flattened foot arch, and significantly higher values of the vertical component of ground reaction force and shorter time might lead to overload in lowerlimb joints in young women.
Źródło:
Acta of Bioengineering and Biomechanics; 2017, 19, 3; 107-113
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Relationship between lower limbs kinematic variables and effectiveness of sprint during maximum velocity phase
Autorzy:
Struzik, A.
Konieczny, G.
Grzesik, K.
Stawarz, M.
Winiarski, S.
Rokita, A.
Powiązania:
https://bibliotekanauki.pl/articles/307199.pdf
Data publikacji:
2015
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
prędkość kątowa
czujniki inercjalne
docieranie
sportowiec
angular velocity
inertial sensors
motion pattern
running
young athletes
Opis:
Purpose: The aim of the study was to determine the relationships between time of running over a 15–25 m section of a 30-meter run along a straight line and changes in the angle and angular velocity observed in ankle, knee and hip joints. Therefore, the authors attempted to answer the question of whether a technique of lower limbs movement during the phase of sprint maximum velocity significantly correlates with the time of running over this section. Methods: A group of 14 young people from the Lower Silesia Voivodeship Team participated in the experiment. A Fusion Smart Speed System was employed for running time measurements. The kinematic data were recorded using Noraxon MyoMotion system. Results: There were observed statistically significant relationships between sprint time over a section from 15 to 25 m and left hip rotation (positive) and between this time and left and right ankle joint dorsi-plantar flexion (negative). Conclusions: During the maximum velocity phase of a 30 m sprint, the effect of dorsi-plantar flexion performed in the whole range of motion was found to be beneficial. This can be attributed to the use of elastic energy released in the stride cycle. Further, hip rotation should be minimized, which makes the stride aligned more along a line of running (a straight line) instead of from side to side.
Źródło:
Acta of Bioengineering and Biomechanics; 2015, 17, 4; 131-138
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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