the aim of the present study was to examine the effect of 8 weeks of concurrent training on the plasma myostatin levels in non-athlete obese men. this research was quasi-experimental. for this purpose, 23 overweight non-athlete men voluntarily participated in this study and were assigned to concurrent training group (n=12, mean age 21.38±2.06 yr, height 173.65±7.07 cm, weight 86.61±15.05 kg and...

BACKGROUND Therapy with racemic compounds produces effects that can be attributed to both (S)- and (R)-enantiomers. Here we have tested the hypothesis that an enantiomer-enantiomer interaction would modulate the effects of treatment with a racemate, the antiarrhythmic propafenone. Previous studies have shown that while the enantiomers of propafenone exert similar sodium channel-blocking (QRS wi...

Mailing address: Rua Minas Gerais, 99, ap. 704, Edifício Maria Del Carmem, Centro – 86020-060 – Londrina, PR, Brasil E-mail: [email protected] ABSTRACT Karate practice can promote beneficial adaptations on the health-related components of physical fitness. Among the components, the maximum oxygen uptake ( O2max) is an important indicator of cardiorespiratory fitness, as it is also a stron...

We investigated the effect of gradual-elastic compression stockings (GCSs) on running economy (RE), kinematics, and performance in endurance runners. Sixteen endurance trained athletes (age: 34.73 ± 6.27 years; VO2max: 62.83 ± 9.03 ml·kg(-1)·min(-1); 38 minutes in 10 km; 1 hour 24 minutes in half marathon) performed in random order 4 bouts of 6 minutes at a recent half-marathon pace on a treadm...

The purpose of this study was to examine the effect of specific endurance (Yo-Yo Intermittent recovery test level 1, Yo-Yo IR1) on match performance in male youth soccer. Twenty-one young, male soccer players (age 14.1 +/- 0.2 years) were involved in the study. Players were observed during international championship games of corresponding age categories and completed the Yo-Yo IR1 on a separate...

INTRODUCTION There is an established link between smoking, abnormal heart rate (HR) values, and impaired cardiovascular health in middle-aged or older populations. The purpose of this study was to examine the effects of smoking on resting HR and on HR responses during and after exercise in young adults. METHODS A sample of 298 young adults (159 men), aged 20-29 years old, were selected from a...

Wylegala J, Schafer-Owczarzak M, Pendergast DR. Optimization of fin-swim training for SCUBA Divers. Undersea Hyperb Med 2007; 34(6):431-438. Underwater swimming is a unique exercise and its fitness is not accomplished by other types of training. This study compared high intensity intermittent fin-swim training (HIIT) with moderate intensity continuous (MICT). Divers (n = 20; age = 23 ± 4 yrs; w...