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    Wyświetlanie 1-2 z 2
    Tytuł:
    Control and correction of horse riders body posture
    Autorzy:
    Mrozkowiak, Mirosław
    Ambroży, Dorota
    Powiązania:
    https://bibliotekanauki.pl/articles/1055190.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
    Tematy:
    balance
    centre of gravity
    feedback
    stability
    Opis:
    Centre of gravity represents the point where the net force of gravity of all the body parts is applied. Balance is a specific state of the postural control system, being a vertical orientation of human body maintained through balancing the forces and moments of forces that act on the body. Stability is understood to mean the ability to recover the state of balance and typical body position in the space. The concept of division of the rider's posture into 5 blocks that has been used in the literature seems to be legitimate. However, due to the natural shape of spinal curvature, the division of body into opposing truncated pyramids (a trapezoid in the sagittal plane and a rectangle with longer horizontal sides in the frontal plane) appears to be more accurate. The eight-segment model is dynamic and illustrates all the shallowed or deepened spinal curvatures very well while maintaining alternate sagittal curvatures with regard to the deficits of motion in the joints. It is also correct in anatomical terms since it contains all the sections and joints in the kinematic chain. Body posture, considered under conditions of the equestrian pair (a rider and a horse) as a motor task, will be adjusted using the continuous control. This control works within the tracking system and consistently adjusts the activity of different muscles to current needs. These needs result from a specific program encoded in the central nervous system and, more specifically, from the difference between the program and current state of the equestrian pair. This program is developed during equestrian training and it represents a demanded situation.
    Źródło:
    Central European Journal of Sport Sciences and Medicine; 2014, 6, 2; 21-33
    2300-9705
    2353-2807
    Pojawia się w:
    Central European Journal of Sport Sciences and Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distribution of Minimal and Maximal Values of the Location of the Centre of Pressure in the Frontal and Sagittal Planes in Healthy Boys and Boys with Mild Intellectual Disability Participating in 12-Week Equestrian Classes
    Autorzy:
    Mazur-Rylska, Anna
    Ambroży, Tadeusz
    Mucha, Dariusz
    Omorczyk, Jarosław
    Ambroży, Dorota
    Mikuľáková, Wioletta
    Gulak, Stanisław
    Puszczałowska-Lizis, Ewa
    Kendrová, Lucia
    Mucha, Dawid
    Powiązania:
    https://bibliotekanauki.pl/articles/1836597.pdf
    Data publikacji:
    2017
    Wydawca:
    Wyższa Szkoła Bezpieczeństwa Publicznego i Indywidualnego Apeiron w Krakowie
    Tematy:
    stabilographic parameters
    balance
    horse riding
    mild intellectual disability
    correlation
    Opis:
    Humans maintain balance in the vertical position through random movements that result from instability of the body supported in two points. These tracking movements are responsible for the motor activity focused on maintaining body balance. The role of the postural control system is to choose a strategy, that is, the behaviour as a response to stimuli and regaining the balance through coordinated activity of the muscles that stabilize the talocrural and hip joints that perform movements in the frontal and sagittal planes. The aim of this study is to evaluate the effect of equestrian classes on postural balance in the frontal and sagittal balance in healthy boys aged 15 to 17 years and boys at the same age with mild intellectual disability. The study examined 100 randomized boys aged 15 to 17 years with mild intellectual disability and healthy boys. The study participants were divided into two groups: experimental group, who participated for 12 weeks in equestrian classes and the control group, with boys attending outdoor or indoor physical education classes. Before and after completion of the study, both experimental and control groups were diagnosed by means of Accu SwayPlus force plate. Maximum and minimum locations of the position of the centre of pressure (COP) with respect to the base of support on the platform were evaluated in the frontal and sagittal planes. The description of the parameters was based on the arithmetic mean, maximal and minimal value, scatter diagram and percentage distribution of values. Correlation of the parameters was also evaluated. Significant changes were found in the experimental groups after horse-riding classes, which pointed to the improvement in balance response, particularly in the sagittal plane, both in terms of minimal and maximal values. The character of these changes was similar: value of body sway in the sagittal plane was reduced and the higher percentage of minimal values was recorded for each parameter in both planes after the equestrian effect. Correlations were found between maximum position of the centre of pressure (COP) in the frontal plane and minimal and maximal position of the centre of pressure in the sagittal plane. All the significant changes and trends found for the experimental group which occurred after 12 weeks of equestrian classes suggest improved parameters of balance. The lack of changes in balance parameters in the control group shows that the equestrian classes help develop balance abilities in healthy boys aged 15 to 17 years and, to a lesser extent, in those with mild intellectual disability.
    Źródło:
    Security Dimensions; 2017, 21(21); 86-116
    2353-7000
    Pojawia się w:
    Security Dimensions
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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