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Wyświetlanie 1-2 z 2
Tytuł:
Examining relationships of the anterior pelvic tilt angle with the anterior-posterior curvatures and elongation of the spine
Autorzy:
Mieszała, Waldemar
Demczuk-Włodarczyk, Ewa
Chromik, Krystyna
Hawrylak, Arleta
Małachowska-Sobieska, Monika
Powiązania:
https://bibliotekanauki.pl/articles/307508.pdf
Data publikacji:
2019
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
dziecko
sylwetka
wydłużanie
Posturometr-S
children
lumbar lordosis
thotacic kyphosis
elongation
body shape
Opis:
A pelvic tilt may lead to body posture disturbances. The aim of the study was to determine relationships between the anterior pelvic tilt angle and the curvature and mobility of lumbar lordosis and thoracic kyphosis. Methods: The angles of anterior pelvic tilt, lumbar lordosis, thoracic kyphosis and spinal elongation were measured with the use of Posturometr-S device. The posturometric measurements were carried out with the pointing stick of the device moving along spinous processes (from C7 to L5) and marking the selected anthropometric points. Results: In the studied group of boys, the angles in a free-standing position and the thoracic kyphosis angle during elongation were significantly greater than the corresponding lordosis angles. In all measured variables the range of measured angles was characteristically wide. The greatest individual differences were found in the lumbar lordosis angles. All the boys featured a significant increase in body height during linear elongation. The measurements of angles at baseline and during elongations of lumbar lordosis and thoracic kyphosis in a standing position in the entire study group revealed that the anterior pelvic tilt had no significant impact on lumbar lordosis in a free-standing posture and its elongation. In the case of thoracic kyphosis, the correlation was statistically significant, although it was not strong. Conclusions: The anterior pelvic tilt angle is correlated with the subject’s age, body mass, body height and the size of thoracic kyphosis.
Źródło:
Acta of Bioengineering and Biomechanics; 2019, 21, 1; 37-44
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Anthropometric and strength profiles of professional handball players in relation to their playing position – multivariate analysis
Autorzy:
Lijewski, Marcin
Burdukiewicz, Anna
Pietraszewska, Jadwiga
Stachoń, Aleksandra
Andrzejewska, Justyna
Chromik, Krystyna
Powiązania:
https://bibliotekanauki.pl/articles/307557.pdf
Data publikacji:
2019
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
skład ciała
siła
analiza wielowymiarowa
antropometria
body composition
strength
multivariate analysis
anthropometry
playing position
Opis:
In team sports, the varied levels of physical demand associated with different field positions are reflected in the morphofunctional features of the players. The aim of this work was to recognize how the playing position in the team depends on the anthropometric profiles and the strength level of professional handball players. Methods: A body mass, stature, lower and upper extremity length, circumferences and skinfolds were measured in the male professional athletes. The body composition was analysed using a bioelectrical impedance method. Additionally, hand grip and back strength were measured. A statistical analysis was carried out using routinely statistic methods and principal component analysis. Results: Pivot players usually have the most athletic figure in terms of size and weight and relatively short legs. The backs are characterized by the android body type and low subcutaneous fat content, and a large mass of body cells. The backs and pivots have the same strength of back and hand grip. Goalkeepers have relatively long upper and lower limbs and high back and hand grip strength. The wingers are usually slender, have medium length limbs, low body fat percentage, significant extracellular mass and the lowest muscle strength. Conclusions: The results of the multivariate analysis were a notable and valuable addition to the study of morphological and strength differences in a group quite homogeneous like a handball team. The principal component analysis allowed for a reduction of the multidimensional structure to three variables describing body massiveness, strength, and the length and height aspect of the body.
Źródło:
Acta of Bioengineering and Biomechanics; 2019, 21, 4; 147-155
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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