6 documents found, page 1 of 1
Skeletal age assessed by Greulich-Pyle: Intra-observer and inter-observer agree...
Celis-Moreno, Jorge M.; Martinho, Diogo V.; Silva, Manuel J. Coelho; Fragoso, Isabel; Ribeiro, Luís P.; Gouveia, Élvio R.; Oliveira, TomásThe assessment of biological maturation is a central topic in pediatric exercise sciences. Skeletal age (SA) reflects changes in each bone of the hand and wrist from initial ossification to the adult state. This study examined intra-observer and inter-examiner agreement is Greulich-Pyle (GP) assessments of SA in 97 male tennis players 8.6–16.8 years of age. Two observers independently examined all films on two ...
Tracking the Prevalence of Obesity in Portuguese School-Aged Children: What Fut...
Valente, Nelson; Forte, Pedro; Teixeira, José Eduardo; Afonso, Pedro; Ferreira, Sérgio; Marinho, D.A.; Mendes, Pedro Duarte; Ferraz, RicardoChildhood obesity presents a significant public health concern globally, with implications for cardiovascular health and metabolic syndrome. In Portugal, approximately 31.6% of children are affected, highlighting the urgency for intervention strategies. This study aimed to assess the prevalence of overweight and obesity in Portuguese school-aged children, with a focus on sex and age differences. Methods: Anthro...
Body composition and grip strength constraints in elite male rink-hockey player...
Ferraz, António; Santos, J. Valente dos; Mendes, Pedro Duarte; Nunes, Célia; Victorino, Samuel Carlos; Silva, Manuel J. Coelho e; Travassos, BrunoRink hockey is a highly specialized and physiological demanding sport with sparse research regarding the game and athletes’ characteristics. A cross-sectional study was developed to characterize the body composition and grip strength of elite male rink hockey players and to establish the relationship between ethnicity on body composition and grip strength. A sample of 100 elite rink-hockey athletes aged 26.59 ±...
Assessing Need Satisfaction and Frustration in Portuguese Exercise Instructors:...
Rodrigues, Filipe; Neiva, Henrique; Marinho, Daniel; Mendes, Pedro Duarte; Teixeira, Diogo; Cid, Luis; Monteiro, DiogoObjective: The aim of the present study was to validate the Basic Psychological Need Satisfaction and Frustration Scale in Exercise for fitness instructors. Methods: Data from 477 exercise professionals (319 males, 158 females) was collected.Results: CFA supported the adapted and validated six-factor model: [χ2(237) = 1096.796, χ2/df= 4.63; B-S p < .001, CFI = .930, TLI = .918, SRMR= .0366, RMSEA = .079 (CI90% ...
Perceived effort in football athletes: the role of achievement goal theory and ...
Monteiro, Diogo; Teixeira, Diogo; Travassos, Bruno; Mendes, Pedro Duarte; Moutão, João; Machado, Sergio; Cid, LuisThis study examined the motivational determinants of athletes perceived effort in football considering the four-stage motivational sequence at the contextual level proposed by Hierarchical Model of Intrinsic and Extrinsic Motivation: task-involving climate, basic psychological needs, self-determined motivation (SDM), and perceived effort. Additionally, SEM multi-group analysis across different age-groups (U15, ...
A retrospective analysis of retirement of football players in Portugal
Travassos, Bruno; Carvalho, Pedro Guedes de; Mendes, Pedro Duarte; Torregrossa, Miquel; Carapinheira, AntónioThe purpose of this study was to analyse the retirement of elite football players in Portugal. Specifically, the quality of retirement and the resources available were evaluated. To develop an understanding of the process of the sporting retirement of elite football players we used data from in-depth, semi-structured interviews with ninety professional players from the portuguese football national team. Most of...