Luís Manuel Pinto Lopes Rama scite author profile

Luís Manuel Pinto Lopes Rama

5Publications

7Citation Statements Received

51Citation Statements Given

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Affiliations

University of Coimbra

Publications

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Role of self-esteem and self-efficacy on competence - A conceptual framework

Rama¹,

Sarada²

2017

IOSR JHSS

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This study aims at examining the linkage among self esteem, general self-efficacy and competences of individuals. Attracting competent and motivated people into the organisation is challenging real concerns that make policy makers and researchers think from a diverse range of countries, such as the United States, the Netherlands, Germany, the United Kingdom, Australia and India. Therefore, it is not surprising to observe that a growing body of research examines the underlying reasons for motivating individuals to become effective performers. This study proposes a conceptual model to identify relationship among the variables self-esteem, general self-efficacy and competences.

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Prediction of Simulated 1,000 m Kayak Ergometer Performance in Young Athletes

Coelho

Nakamura

Morgado

et al. 2021

Front. Public Health

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This study aimed to develop a predictive explanatory model for the 1,000-m time-trial (TT) performance in young national-level kayakers, from biomechanical and physiological parameters assessed in a maximal graded exercise test (GXT). Twelve young male flat-water kayakers (age 16.1 ± 1.1 years) participated in the study. The design consisted of 2 exercise protocols, separated by 48 h, on a kayak ergometer. The first protocol consisted of a GXT starting at 8 km.h−1 with increments in speed of 1 km.h−1 at each 2-min interval until exhaustion. The second protocol comprised the 1,000-m TT.Results: In the GXT, they reached an absolute V∙O2max of 3.5 ± 0.7 (L.min−1), a maximum aerobic power (MAP) of 138.5 ± 24.5 watts (W) and a maximum aerobic speed (MAS) of 12.8 ± 0.5 km/h. The TT had a mean duration of 292.3 ± 15 s, a power output of 132.6 ± 22.0 W and a V∙O2max of 3.5 ± 0.6 (L.min−1). The regression model [TT (s) = 413.378–0.433 × (MAP)−0.554 × (stroke rate at MAP)] presented an R2 = 84.5%.Conclusion: It was found that V∙O2max, stroke distance and stroke rate during the GXT were not different from the corresponding variables (V∙O2peak, stroke distance and stroke rate) observed during the TT. The MAP and the corresponding stroke rate were strong predicting factors of 1,000 m TT performance. In conclusion, the TT can be useful for quantifying biomechanical parameters (stroke distance and stroke rate) and to monitor training induced changes in the cardiorespiratory fitness (V∙O2max).

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Modelos sobre a relação entre o exercício físico e o risco de infecções do trato respiratório superior

Borges

Rama

Teixeira

2013

cmbio

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A relação entre o exercício físico e suscetibilidade para infecções tem levantado interesse dos investigadores e vários modelos tem sido defendidos e discutidos. Vários modelos tem sido criados para tentar explicar a relação entre o exercício físico e o aumento do risco de infeções do trato respiratório superior (ITRS). O objetivo dessa revisão foi sistematizar os modelos interpretativos da relação entre o exercício físico e a função imunológica e o risco de infecções do trato respiratório superior. Até o presente momento na literatura, foram apresentados 5 modelos e mecanismos que tentam explicar a relação entre o exercício físico e as infecções do trato respiratório, que são o modelo neuroendócrino, o da curva em forma de “J”, o da “Janela Aberta”, o da curva em forma de “S” e o mecanismo infecção/inflamação. Mesmo com a evolução dos modelos com o passar dos anos, ainda é possível encontrar nas publicações atuais referência a todos os modelos sem que exista preponderância explicativa de um deles. De fato todos permanecem em uso e são regularmente utilizados pelos investigadores na discussão dos seus trabalhos na tentativa de explicar ou entender as variações imunológicas ocorridas devido a prática de exercícios físico. Models on the relationship between exercise and the risk of upper respiratory tract infections The relationship between exercise and susceptibility to infections has raised the interest of researchers and several models have been proposed and discussed. Several models have been created aiming to explain the relationship between exercise and the increased risk of upper respiratory tract infection (URTI). The objective of this review was to present a systematic review of the models reported in the literature related to explanation of the relationship between exercise and immune function and the risk of upper respiratory tract infections. To date in the literature, were presented five models and mechanisms namely the neuroendocrine model, the curve-shaped “J”, the curve-shaped “S”, the “Open Window” and the mechanism infection/inflammation. Even considering the evolution of models with the passing of years, it is still possible to find publications referencing all current models, in fact these are still in used in the discussion of the researchers work using them in an attempt to explain or understand immunological changes that occur due to exercise. <span style="font-size: 8.0pt; font-family: ";Calibri";,";sans-serif";; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US">Keywords<span style="font-size: 8.0pt; font-family: ";Calibri";,";sans-serif";; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US">: Immunology. Exercise. Respiratory Tract Infection. <span style="font-size: 8.0pt; font-family: ";Calibri";,";sans-serif";; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-ansi-language: PT-BR; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">Physical activity. Infection.

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Morphological, functional and technical profile of young soccer players 15-16 years: a systematic review

Ramos¹,

Silva²,

Rama³

et al. 2016

ARSPA

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A navegação consulta e descarregamento dos títulos inseridos nas Bibliotecas Digitais UC Digitalis, UC Pombalina e UC Impactum, pressupõem a aceitação plena e sem reservas dos Termos e Condições de Uso destas Bibliotecas Digitais, disponíveis em https://digitalis.uc.pt/pt-pt/termos. Conforme exposto nos referidos Termos e Condições de Uso, o descarregamento de títulos de acesso restrito requer uma licença válida de autorização devendo o utilizador aceder ao(s) documento(s) a partir de um endereço de IP da instituição detentora da supramencionada licença. Ao utilizador é apenas permitido o descarregamento para uso pessoal, pelo que o emprego do(s) título(s) descarregado(s) para outro fim, designadamente comercial, carece de autorização do respetivo autor ou editor da obra. Na medida em que todas as obras da UC Digitalis se encontram protegidas pelo Código do Direito de Autor e Direitos Conexos e demais legislação aplicável, toda a cópia, parcial ou total, deste documento, nos casos em que é legalmente admitida, deverá conter ou fazer-se acompanhar por este aviso. Perfil morfológico, funcional e técnico de jovens futebolistas de 15-16 anos: uma revisão sistemática

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Portuguese Lifeguards Performance in Aquatic Rescue: An Exploratory Study

Marques¹,

Palacios-Aguilar²,

Melo³

et al. 2020

IJARE

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