BRISSWALTER , Jeanick

The aim of this study was to assess cognitive performance and heart rate variability (HRV) following the ingestion of either a multi-vitamin-mineral preparation supplemented with 300 mg guarana (Ac); a caffeine supplement (C) or a placebo supplement (Pl). Fifty-six subjects took part in a randomized, double-blind crossover design, consisting of...

The aim of this study was to assess cognitive performance and heart rate variability (HRV) following the ingestion of either a multi-vitamin-mineral preparation supplemented with 300 mg guarana (Ac); a caffeine supplement (C) or a placebo supplement (Pl). Fifty-six subjects took part in a randomized, double-blind crossover design, consisting of...

Effects of a multi-vitamin supplement with added Guarana on cardiovascular response and cognitive performance.The aim of this study was to compare the effects of a multi vitamin and Guarana supplement, caffeine, or a placebo, on cognitive performance and cardiovascular responses. 56 subjects participated in four experimental sessions....

Purpose: This study aimed to investigate whether workload intensity modulates exercise-induced effect on reaction time (RT) performances, and more specifically to clarify whether cognitive control that plays a crucial role in rapid decision making is altered. Methods: Fourteen participants performed a Simon Task while cycling 20 min at a light...

forthcoming

Recent studies have proposed the use of the maximal accumulated oxygen deficit (MAOD) as a useful alternative method to quantify individual anaerobic capacity (Green and Dawson, 1993; Medbø et al., 1988). Therefore, the aim of this research was to study the effect of a usual training procedure on maximal oxygen deficit and some other usual...

Introduction.-The purpose of this study was to test the reproducibility of the Fitmate TM metabolic system in measuring breathing gas during a cycling exercise.Synthesis of the facts.-Twenty-one participants performed during two sessions three 5-min exercises at submaximal intensities (16, 18 et 21 km/h). The reproducibility of respiratory...

Aim.- The purpose of this study was to analyze the effectiveness of supplementation in vitamin on the maximal muscular performance in master athletes during a strength training program.Method.- Twenty well-trained master athletes took part in a three weeks strength training program and in a same time in a micro nutritional supplementation...

Aims: This review focuses first of all on the effects of the cold and/or contrast water immersion techniques on muscular recovery to determine practical implications for athletes. Then, the present review summarizes the effects of whole-body cryotherapy and its potential benefits.Actualities: The multitude of protocols concerning the cold water...

Purpose: This study aimed at investigating the effect of carbohydrate (CHO), caffeine (CAF) and a guarana complex (GUAc) ingestion during a running exercise on cognitive performance, ratings of perceived exertion (RPE) and shooting performance in high level Modern Pentathlon athletes. Methods: Ten athletes completed four counterbalanced ...

The present study aimed to assess the beneficial effect of acute carbohydrate (7% CHO) intake on muscular and cognitive performances. Seventeen high levels athletes in explosive sports (fencing and squash) participated in a randomized, double-blind study consisting in series of 6 sprints (5s) with a passive recovery (25s) followed by 15 min...

The influence of vitamin and mineral complex supplementation on muscular activity and cycling efficiency was examined in elderly endurance-trained master athletes during a heavy cycling trial. Master athletes were randomly assigned in a double-blind process to 1 of 2 treatment groups: antioxidant supplementation (n = 8: As group) or placebo (n...

Use of the peak heart rate reached during six-minute walk test to predict individualized training intensity in patients with cystic fibrosis: validity and reliability.