2 documents found, page 1 of 1
Biological and environmental determinants of 12-minute run performance in youth
Freitas, Duarte; Maia, José; Stasinopoulos, Mikis; Gouveia, Élvio Rúbio; Antunes, António M.; Thomis, Martine; Lefevre, Johan; Claessens, AlbrechtBackground: The 12-minute run is a commonly used indicator of cardiorespiratory fitness in youth. Variation in growth and maturity status as potential correlates of test performance has not been systematically addressed. Aim: To evaluate biological and environmental determinants of 12-minute run performance in Portuguese youth aged 7–17years. Subjects and methods: Mixed-longitudinal samples of 187 boys and 142 ...
Short-term secular change in height, body mass and Tanner-Whitehouse 3 skeletal...
Freitas, Duarte Luís de; Malina, Robert M.; Maia, José António Ribeiro; Lefevre, Johan Aimé; Stasinopoulos, Mikis; Gouveia, ÉlvioSecular trends in height and weight are reasonably well documented in Europe. Corresponding observations for skeletal maturation are lacking. Aim: To assess secular trends in height, body mass and skeletal maturity of Portuguese children and adolescents and to provide updated reference values for skeletal maturity scores (SMSs). Subjects and methods: Data for 2856 children and adolescents of 4–17 years, 1412 bo...