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    Wyświetlanie 1-2 z 2
    Tytuł:
    The effect of the pelvis position in the sagittal plane on loads in the human musculoskeletal system
    Autorzy:
    Michnik, Robert
    Zadoń, Hanna
    Nowakowska-Lipiec, Katarzyna
    Jochymczyk-Woźniak, Katarzyna
    Myśliwiec, Andrzej
    Mitas, Andrzej W.
    Powiązania:
    https://bibliotekanauki.pl/articles/27324108.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    mathematical modeling
    Anybody Modeling System
    loads
    lumbo-pelvic-hip complex
    physiotherapy
    physiopromotion
    modelowanie matematyczne
    system modelowania dla każdego
    masa
    kompleks lędźwiowo-miedniczo-biodrowy
    fizjoterapia
    fizjopromocja
    Opis:
    Purpose: The research work aimed to perform the mathematical modelling-based assessment concerning the effect of the position of the pelvis in the sagittal plane on loads present in the musculoskeletal system in the standing position. Methods: The analysis of the effect of various positions of the pelvis was performed using the Free Posture Model in the AnyBody Modeling System software. Simulated positions involving various values of pelvis inclination ranged from the extreme pelvic retroposition (–7°) through normative values (0–23°) to the extreme pelvic anteversion (33°). Results: The lowest resultant reaction forces in the intervertebral joints recorded for an angle of inclination restricted within the range of 9–27° and segment L5–S1 amounted to less than 0.7 BW. A change in the pelvic inclination from the normative values towards retroposition or anteversion resulted in the increased muscular activity of the erector spinae, transverse abdominal muscles as well as internal and external oblique muscles. Regarding the lower limbs, changes in the activity were observed in the biceps femoris muscle, iliac muscle, gluteus minimus, gluteus medius and the gluteus maximus. Conclusion: The results obtained in the research-related tests confirmed that the pelvic inclination affects loads present in the musculoskeletal system. The abovenamed results will be used to develop therapeutic exercises aimed to reduce loads present in the musculoskeletal system. The aforesaid exercises will be used to teach participants how to properly position their pelvis and how to activate individual groups of muscles.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2020, 22, 3; 33--42
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Quality of body posture and postural stability in people with intellectual disability playing volleyball
    Autorzy:
    Bibrowicz, Karol
    Szurmik, Tomasz
    Wodarski, Piotr
    Michnik, Robert
    Mysliwiec, Andrzej
    Barszcz, Jacek
    Mikołajewski, Grzegorz
    Mitas, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/307064.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    postawa ciała
    niepełnosprawność
    aktywność fizyczna
    posture quality
    balance
    intellectual disability
    Special Olympics
    physical activity
    Opis:
    The quality of body posture and its balance depends on the efficiency of the receptors, the good work of the central nervous system integrating and coordinating the postural system and the effective musculoskeletal system. Physical activity of people with intellectual disability can stimulate the processes of improving the posture and its postural stability, improving the quality of life. Methods: The study was conducted in 2017. 20 randomly selected volleyball players with intellectual disabilities and 10 healthy players took part in it. Body posture was recorded using a photogrammetric system. To evaluate the use of the Frohner Posture Index and the Dolphens classification, stability of the posture was assessed on the Zebris FDM power plate, analyzing the basic stabilographic parameters sway path and sway area. Results: Athletes with intellectual disabilities had significantly poorer posture and body balance than healthy players. There were no differences in postural stability between the groups studied. Some linear correlations were found between the quality of posture and balance and stabilographic variables. Conclusions: Incorrect postural patterns, observed in people with intellectual disabilities, require the development of special recovery programs. Qualified physical activity can help them improve their balance systems, reducing the risk of falls and injuries. The lack of the possibility of an unequivocal relationship between the quality of body posture and its stability requires research on a larger research material. New evaluation methods used (Frohner Posture index and Dolphens classification) confirmed their usefulness and gave new possibilities of application in postural research.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2019, 21, 1; 23-30
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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