Results: 305

Analysis of reliability of peak treadmill running in maximum progressive effort test: influence of training level

OBJECTIVE: To determine the reliability (stability) of the peak velocity measurement (VPeak) derived from the incremental maximal effort test, as well as to establish the possible influence of the level of training on these responses. METHOD: Thirty-eight male volunteers made two visits (3 - 5 days apar...

Cardiac vagal index varies according to field position in male elite football players

BACKGROUND: Cardiac vagal index (CVI) is supposedly higher in athletes and may differ between sports and/or between field positions. OBJECTIVE: To compare CVI: a) between elite football players vs. non-athletes and b) according to five football positions. METHOD: 242 football players of the first Brazi...

Can the elite slalom kayaker's performance be correlated with anthropometric, nutritional, genetic, psychological as sleep traits?

Motriz (Online); 24 (2), 2018
Abstract AIMS The aims of this study were to investigate and characterize the anthropometric, nutritional, genetic, psychological and sleep variables of slalom kayakers, and to verify the correlation of these variables with the slalom kayakers' performance. METHODS Ten elite Brazilian team slalom kayak...

Acute effects of static versus proprioceptive neuromuscular facilitation stretching volume on the maximum number of repetitions and perceived exertion

Motriz (Online); 24 (2), 2018
Abstract AIMS The purpose of this study was to examine the acute effects between different volumes of static stretching (SS) and proprioceptive neuromuscular facilitation (PNF) stretching (30 and 60 seconds) on the maximum number of repetitions at 40 and 80% 1RM and rating of perceived exertion (RPE). ...

Acute effect of uphill running: current scenario and future hypotheses

Strategies for metabolic adjustments are often considered by athletes throughout a running event. Planning for such events during training does not always include variations from level training, even though up/downhill exertion should definitely be a part of such planning. The differentiation of training...

Efeito da suplementação de vitamina D nos marcadores da aptidão física relacionados à saúde e qualidade de vida em mulheres diabéticas tipo 2 na pós-menopausa
Effect of vitamin D supplementation on health-related physical fitness markers and quality of life in postmenopausal type 2 diabetic women

A suplementação de Vitamina D vem sendo estudada como uma das formas de tratamento e prevenção de diversas doenças relacionadas ao envelhecimento da mulher. Alguns estudos já demonstram sua influência na melhoria do desempenho físico. O estudo teve como objetivo verificar a influência da supleme...

Running economy in elite soccer and futsal players: differences among positions on the field

OBJECTIVE: To determine running economy in a large sample of elite soccer and futsal players to obtain benchmarks in different positions. METHODS: Running Economy is the energy demand at a submaximal running velocity. Players were divided into 6 subgroups. Soccer: defenders, midfielders, and strikers; f...

Relative age effect in Brazilian Basketball Championship: Under 15 players

Abstract In sport, the relative age effect (RAE) refers to the advantages of participation and performance that athletes born in the first months of the selection year have in relation to those within the same age category. The aim of the present study was to investigate the RAE in athletes of the Brazil...

Muscle dysmorphia and use of ergogenics substances. A systematic review

Rev. colomb. psiquiatr; 46 (3), 2017
Abstract The use of ergogenic substances (UES) is not restricted to achieving a better athletic performance, but also it is a behaviour for body changing through muscle development; however, little is known about the relationship between muscle dysmorphia (MD) and UES. Therefore, it was conducted a syste...

Programas de entrenamiento para mejorar el rendimiento en jóvenes tenistas: revisión sistemática
Training programs to improve performance in young tennis players: systematic review

En los últimos años, el tenis ha crecido en popularidad, provocando que la competitividad se haya incrementado considerablemente en todos los grupos de edad. Los jugadores de tenis, para ser competitivos y alcanzar el éxito, requieren de un alto nivel de desarrollo en cuatro habilidades fundamentales:...