Exercise-Induced Arrhythmia or Munchausen Syndrome in a Marathon Runner?
ar-old professional marathon runner reported sudden irregular palpitations occur- ring during competitions, with heart rates (HR) up to 230…
Scientific library
Peer-reviewed articles and books on training, physiology, and performance — curated for evidence-based coaching.
6,013 documents
The metabolic recovery of marathon runners: an untargeted 1H-NMR metabolomics perspective
Introduction: Extreme endurance events may result in numerous adverse metabolic, immunologic, and physiological perturbations that may dimi…
High-mobility group box 1 protein, receptor for advanced glycation end products and nucleosomes increases after marathon
Background: Prolonged and strenuous exercise has been linked to potential exercise-induced myocardial damages. One potential key to unmask …
Biomechanical adaptations during exhaustive runs at 90 to 120% of peak aerobic speed
The aim of this study was to examine how running biomechanics (spatiotemporal and kinetic variables) adapt with exhaustion during treadmill…
Molecular Profiling of Athletes Performing High-Intensity Exercises in Extreme Environments
aim of this study was to determine the in uence of high-intensity training under extreme conditions (T = 40 C) on the metabolism and immuno…
Performance Level Affects Full Body Kinematics and Spatiotemporal Parameters in Trail Running—A Field Study
running is an emerging discipline with few studies performed in ecological conditions. The aim of this work was to investigate if and how b…
Central and Peripheral Fatigue in Recreational Trail Runners: A Pilot Study
derstanding fatigue mechanisms is crucial for exercise performance. How- ever, scienti c evidence on non-invasive methods for assessing fat…
Differences in race history by distance of recreational endurance runners from The NURMI Study (Step 2)
Few studies were developed to understand the relationship between running characteristics and motivation. The purpose of this study was to …
Running Economy in the Vertical Kilometer
nd promising variables are being developed to analyze performance and fatigue in trail running, such as mechanical power, metabolic power, …
Compression Sportswear Improves Speed, Endurance, and Functional Motor Performances: A Meta-Analysis
ression sportswear is widely used for enhancing exercise performances, facilitating recovery, and preventing injuries. Despite prior ndings…
Genetic Polymorphisms and Their Impact on Body Composition and Performance of Brazilians in a 105 Km Mountain Ultramarathon
orphisms affect muscular proteins, aerobic adaptations, and recovery, their in uence on the anthropometric variables and performance in ult…
Effects of Long-Term Endurance Exercise on Cardiac Morphology, Function, and Injury Indicators among Amateur Marathon Runners
he purpose of this study was to investigate the effects of long-term endurance exercise on cardiac morphology and function, as well as inju…
Targeted Metabolomics in High Performance Sports: Differences between the Resting Metabolic Profile of Endurance- and Strength-Trained Athletes in Comparison with Sedentary Subjects over the Course of a Training Year
tle is known about the metabolic differences between endurance and strength ath- letes in comparison with sedentary subjects under controll…
A Pilot Study Using Entropy for Optimizing Self-Pacing during a Marathon
roup of marathon participants with minimal prior experience encounters the phenomenon known as hitting the wall, characterized by a notab…
Effects of high-definition transcranial direct current stimulation on the cortical−muscular functional coupling and muscular activities of ankle dorsi−plantarflexion under running-induced fatigue
Transcranial direct current stimulation (tDCS) can improve motor control performance under fatigue. However, the influences of tDCS on fact…
Continuous Monitoring of Interstitial Fluid Glucose Responses to Endurance Exercise with Different Levels of Carbohydrate Intake
e compared the 24 h changes in interstitial uid glucose concentration (IGC) following a simulated soccer match between subjects consuming a…
Participation and performance trends in short-, medium, and long-distance duathlon
Participation and performance trends of male and female athletes have been thoroughly analyzed in various endurance sports. Knowing these t…
Personality Traits Associated with the Risk of Exercise Dependence in Ultraendurance Athletes: A Cross-Sectional Study
ise dependence (ED) is common in endurance athletes and can lead to physical and psychological distress with various health effects. We des…
Ultra culture-ultra reality: a content analysis of YouTube depictions of ultra endurance sport and comparisons to scientific literature
Introduction: Interest in ultra endurance sport (UES) is increasing, with relevant events growing in popularity. However, these activities …
Exercise-related changes in the anabolic index (testosterone to cortisol ratio) and serum amyloid A concentration in endurance and racehorses at different fitness levels
Increased training loads in both human and equine athletes are generally implemented to improve their physical performance. These loads are…
Changes in pacing variation with increasing race duration in ultra-triathlon races
Despite the increasing scientific interest in the relationship between pacing and performance in endurance sports, little information is av…
The gut mucin-microbiota interactions: a missing key to optimizing endurance performance
Endurance athletes offer unique physiology and metabolism compared to sedentary individuals. Athletes training at high intensities for prol…
Exploring the Nutrition Strategies Employed by Ultra-Endurance Athletes to Alleviate Exercise-Induced Gastrointestinal Symptoms—A Systematic Review
(1) Background: Participation in ultra-endurance sports, particularly ultra-running, has increased over the previous three decades. These a…
Which Factors Influence Running Gait in Children and Adolescents? A Narrative Review
ent years, running has dramatically increased in children and adolescents, creating a need for a better understanding of running gait in th…