Zobrazeno 1 - 10
of 792
pro vyhledávání: '"Robert M Malina"'
Autor:
Paulo Sousa-E-Silva, Manuel J Coelho-E-Silva, Andre Seabra, Daniela C Costa, Diogo V Martinho, João P Duarte, Tomás Oliveira, João Gonçalves-Santos, Inês Rodrigues, Luis P Ribeiro, António J Figueiredo, Jan M Konarski, Sean P Cumming, Robert M Malina
Publikováno v:
PLoS ONE, Vol 17, Iss 8, p e0271386 (2022)
The purpose of this study was to determine intra- and inter-observer agreement for the three skeletal ages derived from the TW2 method among male pubertal soccer players. The sample included 142 participants aged 11.0-15.3 years. Films of the left ha
Externí odkaz:
https://doaj.org/article/e4f4d5261ed34096ac3e6459c5c5d1c4
Autor:
Robert M Malina, Manuel J Coelho-E-Silva, Diogo V Martinho, Paulo Sousa-E-Siva, Antonio J Figueiredo, Sean P Cumming, Miroslav Králík, Sławomir M Kozieł
Publikováno v:
PLoS ONE, Vol 16, Iss 7, p e0254659 (2021)
The purpose of the study was to evaluate predicted maturity offset (time before age at PHV) and age at PHV (chronological age [CA] minus maturity offset) in a longitudinal sample of 58 under-13 club level soccer players in central Portugal for whom a
Externí odkaz:
https://doaj.org/article/d43c189d6d9b441bbe32e6c07f9218fb
Autor:
Anderson S Teixeira, Luiz G A Guglielmo, Juliano Fernandes-da-Silva, Jan M Konarski, Daniela Costa, João P Duarte, Jorge Conde, João Valente-Dos-Santos, Manuel J Coelho-E-Silva, Robert M Malina
Publikováno v:
PLoS ONE, Vol 13, Iss 10, p e0205976 (2018)
Interrelationships among skeletal maturity status, body size, ventilator thresholds (VT) and peak oxygen uptake (VO2peak) were considered in 47 adolescent male soccer players aged 12.5-15.4 years. Body mass, stature, and the triceps and subscapular s
Externí odkaz:
https://doaj.org/article/43cf4e9badd24313a788b05499f69c35
Publikováno v:
BMC Sports Science, Medicine and Rehabilitation, Vol 16, Iss 1, Pp 1-11 (2024)
Abstract Background Studies addressing age at peak height velocity (PHV) in longitudinal samples of participants in sports are relatively limited. Purpose To compare the growth status and estimated ages at PHV of longitudinal samples girls and boys a
Externí odkaz:
https://doaj.org/article/adc471ea9578420bb1957d32998f1a2e
Publikováno v:
Salud Pública de México, Vol 55, Iss 4, Pp 387-393 (2013)
Objective. To evaluate change in body mass index (BMI) and weight status of indigenous youth in Oaxaca between the 1970s and 2007. Materials and methods. Heights and weights were measured in cross-sectional samples of school children 6-14 years in th
Externí odkaz:
https://doaj.org/article/5dd66066152a47cda055c4cd49dc0936
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-8 (2024)
Abstract The contributions of height, weight and skeletal age (SA) to strength and motor performances of male soccer players 9–12 (n = 60) and 13–16 (n = 52) years were estimated. SA was assessed with the Fels method, and was expressed as the sta
Externí odkaz:
https://doaj.org/article/86ccf02fb15d481191a982457c52ed75
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract Hindus and Muslims represent the two largest religions in India, and also differ in nutritional status, health-related habits and standard of living associated with economic disparities. In this context, the present study considered estimate
Externí odkaz:
https://doaj.org/article/6b7a26a354a64a3398ebe45348486e4b
Autor:
Duarte Freitas, António Antunes, Martine Thomis, Ricardo Silva, Gonçalo Marques, Alípio Silva, Rui Nunes, Marcelo Delgado, Paulo Jardim, Rubina Xíxaro, Joana Silva, Francisco Fernandes, Robert M. Malina
Publikováno v:
Annals of Human Biology, Vol 51, Iss 1 (2024)
AbstractBackground Motor performances of youth are related to growth and maturity status, among other factors.Aim To estimate the contribution of skeletal maturity status per se to the motor performances of female athletes aged 10–15 years and the
Externí odkaz:
https://doaj.org/article/e75af84eba8f4ba9b871b838eaee9b5f
Autor:
João Valente-dos-Santos, Manuel J Coelho-e-Silva, Aristides M Machado-Rodrigues, Marije T Elferink-Gemser, Robert M Malina, Édio L Petroski, Cláudia S Minderico, Analiza M Silva, Fátima Baptista, Luís B Sardinha
Publikováno v:
PLoS ONE, Vol 9, Iss 9, p e107219 (2014)
Lean soft tissue (LST), a surrogate of skeletal muscle mass, is largely limited to appendicular body regions. Simple and accurate methods to estimate lower limbs LST are often used in attempts to partition out the influence of body size on performanc
Externí odkaz:
https://doaj.org/article/2355346399d54c64869828283aec6e22
Autor:
Paulo Sousa-e-Silva, Manuel J. Coelho-e-Silva, Jorge M. Celis-Moreno, Daniela C. Costa, Diogo V. Martinho, Luís P. Ribeiro, Tomas Oliveira, João Gonçalves-Santos, Oscar M. Tavares, Joaquim M. Castanheira, Telmo Pereira, Jorge Conde, Ricardo R. Cayolla, Pedro Duarte-Mendes, Gillian K. Myburgh, Sean P. Cumming, Robert M. Malina
Publikováno v:
BMC Pediatrics, Vol 23, Iss 1, Pp 1-8 (2023)
Abstract Background Skeletal age (SA) is an estimate of biological maturity status that is commonly used in sport-related medical examinations. This study considered intra-observer reproducibility and inter-observer agreement of SA assessments among
Externí odkaz:
https://doaj.org/article/ae60b7b62ae143f2abe35cfe0e4cd509