ACTN3 R577X Genotype and Exercise Phenotypes in Recreational Marathon Runners
nd: Homozygosity for the X-allele in theACTN3R577X (rs1815739) polymorphism results in the complete absence of -actinin-3 in sarcomeres of …
Scientific library
Peer-reviewed articles and books on training, physiology, and performance — curated for evidence-based coaching.
6,013 documents
Sex Difference in Triathlon Performance
This brief review investigates how sex influences triathlon performance. Performance time for both Olympic distance and Ironman distance tr…
Heart Rate Variability in Sport Performance: Do Time of Day and Chronotype Play A Role?
A reliable non-invasive method to assess autonomic nervous system activity involves the evaluation of the time course of heart rate variabi…
Functional Vs. Running Low-Volume High-Intensity Interval Training: Effects on VO2max and Muscular Endurance
The purpose of the study was to assess if high-intensity interval training (HIIT) using functional exercises is as effective as traditional…
The Role of Mineral and Trace Element Supplementation in Exercise and Athletic Performance: A Systematic Review
Minerals and trace elements (MTEs) are micronutrients involved in hundreds of biological processes. De ciency in MTEs can negatively affect…
A Meta-Comparison of the Effects of High-Intensity Interval Training to Those of Small-Sided Games and Other Training Protocols on Parameters Related to the Physiology and Performance of Youth Soccer Players
Background High-intensity interval training (HIIT) is frequently employed to improve the endurance of various types of athletes. To determi…
International Society of Sports Nutrition Position Stand: nutritional considerations for single-stage ultra-marathon training and racing
Background In this Position Statement, the International Society of Sports Nutrition (ISSN) provides an objective and critical review of th…
Mitochondria, OxPhos, and neurodegeneration: cells are not just running out of gas
This review discusses the role of mitochondrial dysfunction in neurodegenerative diseases.
Asgard archaea capable of anaerobic hydrocarbon cycling
Large reservoirs of natural gas in the oceanic subsurface sustain complex communities of anaerobic microbes, including archaeal lineages wi…
Nutrition and Supplement Update for the Endurance Athlete: Review and Recommendations
Background: Endurance events have experienced a signi cant increase in growth in the new millennium and are popular activities for particip…
Lower-Body Power Relationships to Linear Speed, Change-of-Direction Speed, and High-Intensity Running Performance in DI Collegiate Women’s Basketball Players
This study examines how lower-body power relates to speed and agility in collegiate women's basketball players.
Optimal Development of Youth Athletes Toward Elite Athletic Performance: How to Coach Their Motivation, Plan Exercise Training, and Pace the Race
Elite athletes have invested many years in training and competition to reach the elite level. One very important factor on the road to elit…
The Effect of Respiratory Muscle Training on the Pulmonary Function, Lung Ventilation, and Endurance Performance of Young Soccer Players
his study investigated whether the addition of eight weeks of inspiratory muscle training (IMT) to a regular preseason soccer training prog…
Elite Swimmers’ Training Patterns in the 25 Weeks Prior to Their Season’s Best Performances: Insights Into Periodization From a 20-Years Cohort
Background: This study investigated the periodization of elite swimmers’ training over the 25 weeks preceding the major competition of the …
Kinematics of Maximal Speed Sprinting With Different Running Speed, Leg Length, and Step Characteristics
This study aimed to provide multiple regression equations taking into account differences in running speed, leg length, and step characteri…
Humans Optimize Ground Contact Time and Leg Stiffness to Minimize the Metabolic Cost of Running
Trained endurance runners appear to fine-tune running mechanics to minimize metabolic cost. Referred to as self-optimization, the support f…
The Biomechanics of the Track and Field Sprint Start: A Narrative Review
The start from blocks is a fundamental component of all track and field sprint events (≤ 400 m). This narrative review focusses on biomecha…
Efficacy of Heat Mitigation Strategies on Core Temperature and Endurance Exercise: A Meta-Analysis
Background: A majority of high profile international sporting events, including the coming 2020 Tokyo Olympics, are held in warm and humid …
“Question Your Categories”: the Misunderstood Complexity of Middle-Distance Running Profiles With Implications for Research Methods and Application
Middle-distance running provides unique complexity where very different physiological and structural/mechanical profiles may achieve simila…
Profiting from innovation in the digital economy: Enabling technologies, standards, and licensing models in the wireless world
This article discusses innovation in the digital economy and its implications.
Effects of Aerobic Exercise on Metabolic Syndrome, Cardiorespiratory Fitness, and Symptoms in Schizophrenia Include Decreased Mortality
This review discusses the impact of aerobic exercise on metabolic syndrome and symptoms in schizophrenia.
Effects of Royal Jelly Administration on Endurance Training-Induced Mitochondrial Adaptations in Skeletal Muscle
Study on royal jelly's effects on endurance training in mice.
The anaerobic speed reserve of high-level soccer players: a comparison based on the running speed profile among and within playing positions
This study examines anaerobic speed reserve differences in soccer players based on their playing positions.
Creatine-electrolyte supplementation improves repeated sprint cycling performance: A double blind randomized control study
This study investigates the effects of creatine-electrolyte supplementation on sprint cycling performance.