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    Wyświetlanie 1-2 z 2
    Tytuł:
    Skok pokwitaniowy i budowa ciała dziewcząt z Meridy (Jukatan, Meksyk) jako sposób przystosowania do warunków życia
    Pubertal spurt and body build of schoolgirls from Merida, Yucatan, Mexico
    Autorzy:
    Zielińska, Anna
    Powiązania:
    https://bibliotekanauki.pl/articles/1817894.pdf
    Data publikacji:
    2003-12-31
    Wydawca:
    Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie
    Tematy:
    skok pokwitaniowy
    budowa ciała dziewcząt
    Jukatan
    ekologia człowieka
    Pubertal spurt
    body build of schoolgirls
    Yucatan
    human ecology
    Opis:
    The patterns of physical growth (stature, BMI, subscapular and arm fat-fold thickness, upper and lower extremity length, chest circumference, arm, and hip breadth, and age at menarche) were studied in 857 of Maya and Mestizo girls and 1314 of Creole girls aged 6-18 years. Data were collected between 1998-2001 in primary, secondary, and high schools of Merida, Capital City of the Yucatan State, Mexico. The ethnicity of girls was defined using their two surnames (from the father and mother side). The results show that Creoles are taller, have more abundant fat tissue, and greater BMI, especially at the age of 11 years, which means that they are better prepared to start pubertal spurt. Maya girls have relatively longer upper extremities to lower ones, greater biacromial breadth, and chest circumference to stature than Creoles, which shows their more stocky body build. The adolescent (pubertal) spurt in height starts earlier in Creoles (9-10 years) and its rate is greater (max. = 7.48 cm/ year) than in Maya and Mestizos girls (10-11 years; max. = 6.25 cm/year). In Mayas and Mestizos, there is only a slight difference between the rate of changes before and during the pubertal spurt. There are no significant differences in age at menarche between girls from both ethnic groups (11.96 in Mayas and Mestizos and 12.04 in Creoles), but there are statistically significant differences between age at menarche of studied girls and their mothers (12.4 for both groups) in each ethnic group. There is evidence that the onset of pubertal spurt in height and its rate may depend on ethnicity. Creoles may lead to a more “westernized” style of life than the Maya and Mestizos girls.
    Źródło:
    Studia Ecologiae et Bioethicae; 2003, 1, 1; 141-158
    1733-1218
    Pojawia się w:
    Studia Ecologiae et Bioethicae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Współzależność cech budowy ciała i dynamiki ich zmian w okresie pokwitania (raport 3 z dwuletnich comiesięcznych badań na Jukatanie w Meksyku)
    Interrelation between body build variables and their velocity during puberty. (The third report of monthly-two-year investigations in Yucatan, Mexico)
    Autorzy:
    Wolański, Napoleon
    Rojas, Armando
    Uc, Ligia
    Siniarska, Anna
    Powiązania:
    https://bibliotekanauki.pl/articles/1817734.pdf
    Data publikacji:
    2004-12-31
    Wydawca:
    Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie
    Tematy:
    ekologia człowieka
    Jukatan
    Meksyk
    human ecology
    Yukatan
    Mexico
    Opis:
    In the present, the third publication included in this volume, the main topic considers the explanation of the existence of any relations between studied variables of body builds during the period of 22 months, e.g. from the beginning till the end of investigations. At that time the considerable changes related to the pubertal period took place. The results of the correlation matrix between studied variables and factor analysis for the whole material and for each gender separately are presented. It is seen that there are differences between boys and girls in the interrelation concerning studied variables and in separated latent factors. It is rather related to differences in the phase of puberty (more advanced girls than boys in this process), although the same calendar age. Girls who mature earlier are characterized by greater initial stature and greater body weight, BM I fat mass (including subcutaneous fat tissue), and fat-free mass at the beginning and end of the study than girls who mature later. However, later matured girls show, in the whole investigated period, greater increments in stature and weight than earlier matured ones (of the same calendar age). At the earlier stage of puberty (boys under study) the factor one (F I) representing body mass and its increments, is associated with final body height (at the end of study), whereas F3 is associated with initial height (at the beginning of the study). This association is reverse at the latter phase of puberty (girls under study), while F I (also representing body mass but not its increments) is associated with the initial height, whereas final height represents the separate factor (F3).
    Źródło:
    Studia Ecologiae et Bioethicae; 2004, 2, 1; 75-88
    1733-1218
    Pojawia się w:
    Studia Ecologiae et Bioethicae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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