João P. Oliveira

Inter-Limb Hand Force Asymmetry in Front Crawl Swimming: Individual Interpretation Using BAI-1, MDD, and MID

João P. Oliveira, Daniel Almeida Marinho, Tatiana Sampaio, Tiago M. Barbosa et autres

This study examined inter-limb hand force asymmetry in competitive swimmers during front crawl at two paces (200 m and 50 m). Eight national-level swimmers (18.3 ± 2.5 years) performed 25 m trials at both intensities using wearable force-sensing paddles. Asymmetry was assessed …

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Caffeine vs. carbohydrate mouth-rinsing in soccer: effects on passing performance and psychophysiological responses in youth players

João P. Oliveira, Daniel Almeida Marinho, Yusuf Soylu, Umut Gök et autres

Abstract Purpose This study aimed to evaluate the effects of caffeine (CAF) and carbohydrate (CHO) mouth-rinsing on soccer passing performance and psychophysiological responses using the Loughborough Soccer Passing Test (LSPT). Design/methodology/approach Twenty-five well-trained male youth soccer players (age: 16.6 ± 0.5 years) …

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Understanding Differences in Swimming Velocity and Propulsive Force in the Butterfly Stroke: A Comparison Between Male and Female Butterfly Swimmers Through Discrete and Continuous Variables

Mafalda P. Pinto, Henrique P. Neiva, Tatiana Sampaio, João P. Oliveira et autres

ABSTRACT: Pinto, MP, Neiva, HP, Sampaio, T, Oliveira, JP, Barbosa, TM, Marinho, DA, and Morais, JE. Understanding differences in swimming velocity and propulsive force in the butterfly stroke: A comparison between male and female butterfly swimmers through discrete and continuous variables. J …

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Can jerk cost and resultant mechanical impulse be helpful tools to discriminate swimming performance in young swimmers?

Jorge Morais, Daniel Almeida Marinho, Tatiana Sampaio, João P. Oliveira et autres

The aim of this study was to compare swimming velocity, intra-cyclic variation of swimming velocity, jerk cost, and the resultant mechanical impulse in young swimmers of both sexes and by levels in the front crawl stroke. The sample included 60 young swimmers …

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Lap stability, stroke kinematics, and turn performance in female 200 m short-course finals at the 2019 LEN European Championships

João P. Oliveira, Daniel Almeida Marinho, Tatiana Sampaio, Tiago M. Barbosa et autres

The aim of this study was to analyse lap performance stability, stroke kinematic variables in the clean swimming phase and turn performance in the finals of the four 200 m short course (SCM) events (freestyle, backstroke, breaststroke, and butterfly). The sample included …

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Physical Fitness and Physical Activity in Young Adults: A Comparative Study Between Two Higher Education Institutions

Tatiana Sampaio, João P. Oliveira, Pedro M. Magalhães, José Augusto Afonso Bragada et autres

Background: Evidence suggests that physical activity and fitness tend to decline during the transition to higher education, yet the influence of institutional environment on these variables remains unclear. Objectives: This study aimed to compare physical fitness and physical activity levels between first-year …

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Diferenças antropométricas, de força/potência dos membros inferiores e velocidade linear entre jovens jogadores de futsal sub15 e sub17

João P. Oliveira, Tatiana Sampaio, Sílvio Carvalho, Hugo Martins et autres

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Diferenças no equilíbrio dinâmico em jogadores de futsal sub13, sub15 e sub17

Tatiana Sampaio, João P. Oliveira, Daniel Marinho, Henrique Neiva et autres

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The Associations Between the Swimming Speed, Anthropometrics, Kinematics, and Kinetics in the Butterfly Stroke

Mafalda P. Pinto, Henrique Pereira Neiva, Tatiana Sampaio, João P. Oliveira et autres

There is scarce information about what characterizes the swimming speed in the butterfly stroke and the role of thrust in its characterization and prediction. The aim of this study was to compare the fastest and poorest butterfly swimmers based on a set …

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Characterization of physical performance and change of direction deficit across age groups in young female volleyball players

João P. Oliveira, Daniel Almeida Marinho, Pedro Jacinto, Tatiana Sampaio et autres

Abstract Background Volleyball performance relies heavily on agility, strength, and the ability to change direction, yet there is limited research investigating these physical attributes across different age groups in youth volleyball players. The change of direction (COD) deficit—a metric that isolates directional …

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Impact of a six-week training program on physical fitness and performance of young tennis players: a cluster analysis approach

João P. Oliveira, Daniel Almeida Marinho, Tatiana Sampaio, Bülent Kilit et autres

This study aimed to classify young tennis players into sub-groups (clusters) based on their performance and physical fitness determinants and to analyze their cluster assignment change over six weeks of intervention. A sample of young athletes aged 10–14 years was used, and …

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Characterization and Comparison of Athletic Performance and Change of Direction Deficit Across Youth Futsal Age Groups

João P. Oliveira, Daniel Almeida Marinho, Tatiana Sampaio, Hugo Martins et autres

Background/Objectives: Futsal players need peak strength, functional capacity, speed, and explosive lower-limb power for optimal performance. The aim of this study was to (i) characterize and compare anthropometric characteristics, lower limb strength/power, dynamic balance, linear sprint speed, COD performance, and COD deficit …

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