Browsing by Author "Marinho, Daniel Almeida"
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- Effects of dry-land strength training on swimming performance: a brief reviewPublication . Morouço, Pedro; Marinho, Daniel Almeida; Amaro, Nuno; Pérez-Turpin, José Antonio; Marques, Mário CardosoMorouço PG, Marinho DA, Amaro NM, Peréz-Turpin JA, Marques MC. Effects of dry-land strength training on swimming performance: a brief review. J. Hum. Sport Exerc. Vol. 7, No. 2, pp. 553-559, 2012. This article provides a brief review over the state of art concerning dry-land training for swimmers. It is important to understand the role of muscular strength for swimming performance and how it might be improved. Firstly, this article analyzes the relationships between strength or power assessment in dry-land and swimming performance. Secondly, the results of studies aiming to evaluate the influence of dry-land strength training to swimming performance improvement are presented. These results allow coaches to realize the benefits that may be obtained by an appropriate strength training program, according to gender and level.
- Evaluation of the Psychometric Properties of the Portuguese Peabody Developmental Motor Scales-2 Edition: A Study with Children Aged 12 to 48 MonthsPublication . Rebelo, Miguel; Serrano, João; Duarte-Mendes, Pedro; Monteiro, Diogo; Paulo, Rui; Marinho, Daniel AlmeidaThe purpose of this study was to examine the psychometric properties of Peabody Developmental Motor Scales II (PDMS-2-Folio and Fewell, 2000) using a Portuguese sample. The validation of the Portuguese version of the PDMS-2 was applied according to the manual, for 392 children, from two institutions, from 12 to 48 months, with an analysis of the internal consistency (α Cronbach), of test–retest reliability (ICC) and construct validity (confirmatory factor analysis). The results of the confirmatory factorial analysis (χ2 = 55.614; df = 4; p = 0.06; χ2/df =13.904; SRMR (Standardized Root Mean Square Residual) = 0.065; CFI (Comparative Fit Index) = 0.99, TLI = 0.99, RMSEA (Root Mean Square Error of Approximation) = 0.068) of two factors (Gross Motor and Fine Motor) as the original version but correlated. Most of the subtests had good internal consistency (α = 0.85) and good test–retest stability (ICC = 0.98 to 0.99). The results indicated that the Portuguese version of the PDMS-2 is adequate and valid for assessing global and fine motor skills in children aged 12 to 48 months, and can be used as a reference tool by health and education professionals to assess motor skills and, thus, allowing to detect maladjustments, deficiencies or precocity, so that children can later receive appropriate intervention.