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    Wyświetlanie 1-7 z 7
    Tytuł:
    Neurological effects of acute exposure to caffeine and organophosphates in mice
    Autorzy:
    Łukawski, K.
    Raszewski, G.
    Kruszyński, K.
    Czuczwar, S.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087182.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    organophosphates
    caffeine
    memory
    motor coordination
    mice
    Źródło:
    Polish Journal of Veterinary Sciences; 2021, 24, 2; 211-216
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The physiotherapeutic context of loss of dominant arm function due to occupational accidents
    Autorzy:
    Kostiukow, Anna
    Kaluga, Elżbieta
    Samborski, Włodzimierz
    Rostkowska, Elżbieta
    Powiązania:
    https://bibliotekanauki.pl/articles/991144.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    occupational injury
    visual motor coordination
    upper extremity
    amputation
    Opis:
    Introduction. The study examines the problem of dominant arm function loss in rural adult patients due to work-related accidents. The types of risks involved in farmyard work include falling from a height, manually moving loads, overturning/ accident whilst driving an agricultural tractor, noise and vibration, use of pesticides, and the risk of being cut or injured. The study focuses on adaptation of the non-dominant arm. Objective. The main aim of the study was evaluation of visual-motor coordination on the basis of performance of the nondominant hand in patients after the loss of function of the dominant arm. Materials and method. The research sample consisted of 52 patients with a permanent or temporary loss of function or severely limited function of the dominant arm. The subjects were patients with arm amputations due to various occupational injuries sustained while operating agricultural and construction machinery and forestry equipment, following traumas or complicated medical surgeries of the arm, or due to car accidents. The following tests were applied in the analysis: I) Dufour cross-shaped apparatus test for assessing visual motor-coordination; II) paper-and-pencil tests and the Relay Baton motor fitness test; III) anthropometric measurements; IV) Edinburgh Handedness Inventory; and V) a questionnaire survey. Results. The results of the apparatus and motor tests indicate the same tendency: reaction to stimuli measured on the basis of performance of the non-dominant arm is longer in shorter and older patients. Conclusions. Visual-motor coordination, as measured by the performance of the non-dominant arm, is significantly affected by the subject’s body height and arm length.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2016, 23, 4
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    „Growing Up” and the Environment
    Wzrastanie i środowisko
    Autorzy:
    Malina, Robert M.
    Little, Bertis B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1178923.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    asthma physical activity
    growth
    lead
    maturation
    motor coordination
    Opis:
    Many factors in the natural, man-made and social environments can influence the physical growth and maturation and behavioral development of children and adolescents. Improved environmental conditions over the past century or so have contributed to positive secular changes in growth and maturation. More recently, however, technological advances have increased opportunities for sedentary behaviors and contributed to reductions in physical activity, both of which have potentially negative implications for the health of youth. Pollutants associa-ted with some industries also have implications for health. Children with elevated lead levels are at increased risk for impaired growth and maturation and for impairments in fine motor coordination. The impact of elevated lead on gross motor coordination in several tests of physical fitness is mediated through the influence of lead on growth in body size. Similarly, emissions from coal-fired power plants and other industries are associated with asthma, which has implications for the physical activity and fitness of youth.
    Wiele czynników środowiskowych naturalnych, wytworzonych przez człowieka oraz społecznych może wpływać na na rozwój fizyczny, dojrzewanie i rozwój behawioralny, tj. zachowania się dzieci i młodzieży. Polepszenie warunków środowiskowych w ostatnim stuleciu przyczyniło się do pozytywnych sekularnych zmian we wzroście i dojrzewaniu. Ostatnio jednak postęp technologiczny wzmógł łatwość zachowań sedentarnych i przyczynił się do zmniejszenia aktywności fizycznej, co potencjalnie niesie negatywne skutki dla zdrowia młodzieży. Zanieczyszczenia przemysłowe mają również wpływ na zdrowie. Dzieci z podwyższonym poziomem ołowiu w krwi mają podwyższone ryzyko zaburzenia wzrostu i dojrzewania, a także uszkodzenia koordynacji motorycznej. Wpływ podwyższonego poziomu ołowiu we krwi na powstawanie zaburzeń motorycznych jest badany za pomocą wielu testów sprawności fizycznej, jest wyrażony przez wpływ ołowiu na wzrost i wielkość ciała. Podobnie emisje zanieczyszczeń z elektrowni węglowych i innych zakładów przemysłowych są związane z astmą, co ma również wpływ na aktywność fizyczną i sprawność młodzieży.
    Źródło:
    Medycyna Środowiskowa - Environmental Medicine; 2012, 15, 2; 7-20
    1505-7054
    2084-6312
    Pojawia się w:
    Medycyna Środowiskowa - Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    EMG parameters and kinesthetic differentiation during the free-throw of basketball players with various levels of athletic experience
    Autorzy:
    Pakosz, Paweł
    Powiązania:
    https://bibliotekanauki.pl/articles/1054709.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
    Tematy:
    Motor coordination capacities
    arm muscles
    electromyography (EMG)
    muscle bioelectrical activity level
    sports level
    Opis:
    Rationale and objective of the study: In the study of coordination of motor abilities, motor performance tests without examining the internal structure of the movement were used. The objective of this study was to examine the kinesthetic differentiation capacity level and to stimulate muscles during a test among basketball players in intermediate and specialist stages of training. Material and methods: Among ten basketball players from two equal groups at different level of advancement in sport, who play at different positions on the field, kinesthetic differentiation capacity was assessed by the „Basketball shooting with different balls” test. In order to assess the muscle involvement during the test, they were connected to the EMG amplifier. Results: More advanced basketball players obtained better results in the test, by an average of 7.4 point out of 60. Tested muscle bioelectric tension was lower by 21.8% in advanced players and the difference in the non-dominant hand was as high as 34.6%. Conclusions: The research indicates that advanced players obtain better level of kinesthetic differentiation and their average muscle bioelectric tension during throws is lower compared to beginner players. The difference in bio-electrical muscle tension in the time of throwing different balls was smaller in basketball players who are more advanced in training, and in both groups in the dominant hand. Mean values of EMG signal in a selected time interval show greater variability among the more advanced players.
    Źródło:
    Central European Journal of Sport Sciences and Medicine; 2013, 2, 2; 31-38
    2300-9705
    2353-2807
    Pojawia się w:
    Central European Journal of Sport Sciences and Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Psychomotor performance of Polish Air Force cadets after 36 hours of survival training
    Autorzy:
    Tomczak, Andrzej
    Dąbrowski, Jan
    Mikulski, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/990831.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    military training
    survival
    sleep deprivation
    coordination motor skills
    Opis:
    Introduction. The preparation of Polish Air Force cadets for survival in isolation is a necessary element of their training, to demonstrate just how difficult can be the conditions they could encounter in a combat situation. Objective. The aim of the research was to assess the effect of long-term survival training on selected coordination motor skills in Air Force cadets. Materials and method. Fifteen air force cadets aged 19.6±0.3 years exercised for 36 hours during survival training without the possibility to sleep. They were examined 4 times: Day 1 – before effort (training), Day 2 – after 24 hours training, Day 3 – directly after 36 hours training, Day 4 – next day, after an all night rest. They were examined for shooting and reaction time, the ability to maintain body balance, running motor adjustment, handgrip force differentiation, and on Days 1 and 3, exercise capacity was evaluated with a 1 mile walking test. Results. The survival training resulted in significant decreases in maximum handgrip strength, corrected 50% max handgrip, maintenance of body balance and heart rate. No changes occurred in reaction time, running motor adjustment and shooting performance. Overnight rest did not result in recovery of any of the examined factors to the values observed on Day 1. Conclusion. Survival training combined with sleep deprivation mostly affected peripheral factors depending on strong action from both muscles and nervous system, whereas complex tasks involving short-term central alertness and moderate exertion were maintained. In order to improve performance, more endurance strength training, if possible combined with sleep deprivation, should be introduced in military training.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2017, 24, 3
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of difficulty manipulation strategies on acquisition, retention and associated perceptions in fine motor coordination task learning in young school boys
    Autorzy:
    Elghoul, Yousri
    Bahri, Fatma
    Chaari, Nesrine
    Ezeddinie, Souhir
    Masmoudi, Liwa
    Souissi, Nizar
    Frikha, Mohamed
    Powiązania:
    https://bibliotekanauki.pl/articles/1031700.pdf
    Data publikacji:
    2018
    Wydawca:
    PPHU Projack Jacek Wąsik
    Tematy:
    competence
    coordination
    difficulty.
    motor learning
    Opis:
    This study investigated whether difficulty manipulation strategies affect learning in the fine motor coordination task, perceived competence (PC) and perceived difficulty (PD). Thirty -nine novices’ right - handed boys (age 11.3 ± 0.4 years; stature 147 ± 8.94 cm ; body mass 40.57 ± 0.07 kg; mean ± SD), volunteers, were assigned to either control group (CTG: no difficulty manipulation)and two experimental groups: group 1 (EG1: one -dimension difficulty manipulation) and group 2 (EG2: two- dimensions difficulty manipu lation). All protocol sessions were conducted at the same time -of-day, in which, there were three periods: familiarization, acquisition and retention phases. Moreover, two stress- conditions of darts throw were investigated (i.e.: free condition (FC) and ti me pressure condition (TPC)). Results showed significant effect between - groups (p = 0.01, η2 = 0.215) based on difficulty strategies manipulation. Analysis showed an improvement in accuracy values in retention tests for only EG1and a significant l ower coefficient of variation (p = 0.41, η2 = 0.154) compared to the CTG and EG2. Errors decrease over time for CTG in FC (p = 0.041, η2= 0.203) but not in TPC, while no significant differences in errors for EG1 and EG2 (p = 0.19, η2 = 0.911) in the two st ress -conditions. Moreover, PD was significantly different between all test - phases (p = 0.041, η2 = 0.234) for EG1 only. The one -dimension learning strategy improves retention in accuracy performances, whereas, both strategies, do not affect errors in both FC and TPC . Therefore, teachers in physical education are not encouraged to combine difficulties in learning process of a novel fine motor coordination task.
    Źródło:
    Physical Activity Review; 2018, 6; 100-109
    2300-5076
    Pojawia się w:
    Physical Activity Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Identifying talented handball players – the possibilities of examining the players by means of speed-force and coordination tests
    Autorzy:
    Zubik, Mateusz
    Spieszny, Michał
    Sumara, Mariusz
    Powiązania:
    https://bibliotekanauki.pl/articles/1054683.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
    Tematy:
    coordination tests
    handball
    identifying the talented players
    motor tests
    somatic features
    Opis:
    The main aim of this thesis was to assess the usefulness of the chosen tests of motor skills (focused mainly on the work of the lower and upper limbs) and the computerized motor skills tests in identifying the talented handball players. To examine them, the players’ results from two junior teams were compared. The first test was performed before the players started high school, that is, at the age of sixteen. The results were compared with the sport level examined during the second test, performed when the players reached the senior age (nineteen years old). The Spearman’s rank correlation coefficient among the ranking results (sport level), somatic features and motor skills, was used in the analysis, with the level of statistical significance being p<0,05. Significant statistical correlations were discovered between the level of anaerobic force of the examined handball players when they are sixteen, and their sport level when they are nineteen years old. The significant statistical correlations may be one reason to use the tests of speed-force skills to identify the talented handball players described in this thesis. Among the coordination skills, only the multitasking ability proved to have significant statistical correlations with the players’ sport level.
    Źródło:
    Central European Journal of Sport Sciences and Medicine; 2013, 4, 4; 53-62
    2300-9705
    2353-2807
    Pojawia się w:
    Central European Journal of Sport Sciences and Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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