purpose adolescents are in increased risk for the development of obesity, while sport has been suggested as an effective means against adolescent obesity. the objectives of this study were to examine (a) the prevalence of overweightness/obesity, (b) the relationship between body mass index (bmi) and body fat percent (bf), and (c) the association between bmi, bf and physical fitness in adolescen...

BACKGROUND Cycling is an endurance sport relying mainly on aerobic capacity to provide fuel during long-duration cycling events. Athletes are constantly searching for new methods to improve this capacity through various nutritional and ergogenic aids.s PURPOSE The aim of the study was to find out the effect of Ashwagandha on the cardiorespiratory endurance capacity, that is, aerobic capacity ...

PURPOSE: The aim of this study was to examine the reliability, validity and usefulness of the 30-15IFT in competitive female soccer players. METHODS: Seventeen elite female soccer players participated in the study. A within subject test-retest study design was utilized to assess the reliability of the 30-15 intermittent fitness test (IFT). Seven days prior to 30-15IFT, subjects performed a cont...

AIM To examine the effects of the sequencing order of individualised intermittent endurance training combined with muscular strengthening on aerobic performance and capacity. METHODS Forty eight male sport students (mean (SD) age 21.4 (1.3) years) were divided into five homogeneous groups according to their maximal aerobic speeds (vV*o2max). Four groups participated in various training progra...

Rev Esp Cardiol 2004;57(6):495-8 495 (type I fibers), which are recruited and activated during moderate intensity exercise. Given the above, it is understandable that not all exercise or sporting activity will have the same effect on the lipid profile. Unfortunately, on many occasions the terms “physical exercise” and “sport” are used as synonyms, even though they describe different concepts. P...

BACKGROUND Soluble transferrin receptor (sTfr) is a new marker of iron status and erythropoietic activity. It has been included in multivariable blood testing models for the detection of performance enhancing erythropoietin misuse in sport. OBJECTIVE To evaluate the effect of different types and volumes of physical activity on sTfr concentration, variables of iron status (ferritin, transferri...

OBJECTIVE This study enquired about the knowledge and reported use of sport science in elite Olympic class sailors. EXPERIMENTAL DESIGN The sailors responded to a simple questionnaire. SETTING The questionnaire was administered as part of an introductory seminar on sport science during a training camp. PARTICIPANTS The participants were 28 (22 male, 6 female) elite New Zealand Olympic cla...

The purpose of the present study is to investigate the association among the leptin levels and aerobic capacities of footballers, wrestlers and sedentary group. The study included a total of 130 volunteers (43 footballers, 41 wrestlers and 46 sedentary). The results showed a statistically significant difference between footballers and the sedentary group in terms of leptin levels both male and ...