Fitness
Follow Fitness in the Factlen app and get an alert when there is news. Get the app
Explainer
How Exercise Clears Brain Waste Via the Glymphatic System
5 sources · 67d ago
Research Brief
Three Minutes of Sprinting Triggers More Molecular Change Than 90 Minutes of Moderate Exercise
4 sources · 67d ago
Medicare Policy
Medicare Begins Reimbursing Physicians for Physical Activity Assessments Under New Code G0136
7 sources · 67d ago
More in Fitness
ExplainerHypertrophy Science
Myo-Reps Use Effective Reps to Match Muscle Growth in 62% Less Training Time
Evidence-Based Coaches 40%Time-Crunched Trainees 35%Traditional Strength Athletes 25%
Sprint BiomechanicsRecord Breaker
Kate Douglass Shatters Women's 50m Freestyle World Record by Historic Margin
Biomechanical Analysts 40%Competitive Swimmers & Coaches 40%Sports Technology Developers 20%
ExplainerResistance Training
ACSM's 2026 Resistance Training Guidelines: Why Consistency Trumps Complexity
Public Health & Adherence 50%Clinical Exercise Science 30%Performance Optimization 20%
ExplainerSports Governance
How World Aquatics' Unified 558-Page Rulebook Governs Global Water Sports
International Regulators 40%National Governing Bodies 35%Neutral Analysts 25%
ExplainerSupplement Regulation
The Regulatory Framework of Dietary Supplements: FDA Authority vs. State Restrictions
Federal Uniformity Advocates 50%State Public Health Proponents 50%
ExplainerBiomechanics
Pilates Reformers Build Strength Through Eccentric Contraction and Spring Tension
Clinical Biomechanists 40%Strength & Conditioning Coaches 30%Physiotherapists 30%
Wearable TechPolicy Decision
FDA Finalizes Guidance Exempting Non-Medical Wearables and Fitness AI From Stringent Regulation
Consumer Tech Industry 50%Regulatory & Compliance Experts 30%Healthcare Providers 20%
ExplainerPreventative Medicine
National Forum Unites Health and Outdoor CEOs to Integrate Recreation as Preventative Medicine
Public Health Officials 45%Outdoor Industry Advocates 40%Clinical Skeptics 15%
ExplainerMetabolic Science
Exercise Mimetics vs. GLP-1s: The Emerging Science of Preserving Muscle During Weight Loss
Clinical Obesity Specialists 40%Exercise Physiologists 35%Metabolic Researchers 25%
ExplainerStrength Training
Why Resistance Training Is Emerging as a Cardiovascular Intervention for Older Adults
Exercise Physiologists 40%Geriatric Clinicians 35%Public Health Advocates 25%
Alternative ProteinsClinical Validation
Novel Postbiotic Cultured Protein Matches Whey in Muscle-Building Efficacy, Challenging Dairy's Dominance
Alternative Protein Innovators 40%Clinical Nutrition Researchers 35%Sports Nutrition Consumers 25%
ExplainerYouth Fitness
NSCA Position Statement Lays Out 10 Pillars for Youth Strength Training to Minimize Injury and Maximize Long-Term Athletic Development
Pediatric Exercise Scientists 40%Strength and Conditioning Coaches 35%Factlen Editorial Synthesis 25%
ExplainerRunning Tech
Running Shoe Tech Moves Beyond Carbon Plates with New Wave of 'Super Foams' for Daily Training
Footwear Engineers 40%Biomechanics Researchers 30%Everyday Runners 30%
ExplainerTraining Science
Zone 2 vs. Sweet Spot Training: Which Cycling Method Actually Builds Better Endurance?
Polarized Advocates 50%Time-Crunched Pragmatists 50%
ExplainerSupplement Regulation
How Novel Ingredients and Precision Fermentation Are Forcing an Overhaul of FDA Supplement Regulation
Supplement Innovators 40%Safety and Consumer Advocates 30%Regulatory Authorities 30%
ExplainerTrail Designations
Interior Designates Six New National Trails, Including Route Within Bears Ears National Monument
Community Accessibility Proponents 40%Wilderness Advocates 30%Conservation & Heritage Managers 30%
ExplainerHypertrophy Science
Why Mechanical Tension, Not Metabolic Stress, Is the Primary Driver of Muscle Growth
Evidence-Based Coaches 40%Traditional Bodybuilding Advocates 30%Clinical Researchers 30%
ExplainerBoutique Fitness
Why Private Equity Crowned Reformer Pilates the Dominant Boutique Fitness Investment
Market Analysts & Franchisors 40%Classical Pilates Advocates 30%Industry Observers 30%
ExplainerNeural Adaptation
The Brain's Master Switch for Endurance: Why Muscle Adaptation Starts in the Hypothalamus
Neurobiologists 40%Sports Physiologists 35%Clinical Researchers 25%
ExplainerFlexibility Science
Active vs. Passive Flexibility: The Science of Stretching and Joint Control
Mobility and Performance Coaches 45%Flexibility and Circus Arts Instructors 45%Factlen Editorial Team 10%
ExplainerYouth Sports
Landmark Studies Link Single-Sport Specialization in Youth to Higher Long-Term Orthopedic Injury Risk
Medical and Orthopedic Consensus 50%Athletic Development and Coaching 30%Youth Sports Industry 20%
Boutique FitnessIndustry Shift
Founders Row and Xtend Barre Founder Launch 'All Day Pilates,' a 24/7 Tech-Enabled Reformer Studio Concept
Fitness Industry Analysts 60%Brand Incubators & Founders 40%
ExplainerDigital Weights
Digital Resistance Equipment Moves Beyond Niche, Offering 220+ Lbs of Eccentric-Controlled Force for Home Gyms
Sports Scientists & Physiologists 40%Fitness Technology Developers 40%Factlen Analysis 20%
Obesity TherapeuticsTrade-Off Analysis
Eli Lilly Grants Early Access to Next-Gen Weight-Loss Drug Retatrutide After 28.7% Trial Results
Aggressive Interventionists 40%Stepped-Care Advocates 35%Market Analysts 25%
ExplainerYouth Athletics
How Science-Based Heat and Air Quality Protocols Are Making Youth Sports Safer
Medical & Public Health Experts 40%Athletic Administrators 35%Parent & Environmental Advocates 25%
ExplainerCardiovascular Health
Why Maximum Heart Protection Requires Up to 10 Hours of Weekly Cardio
Optimal Longevity Researchers 35%Public Health Pragmatists 35%Clinical Practitioners 30%
Olympia Qualification
New IFBB Pro League 2026 Olympia Rules Require Two Wins and Reinstate Points System
Athletes & Coaches 40%League Management 35%Show Promoters 25%
ExplainerExercise Science
Landmark Study Finds Vigorous Activity Intensity, Not Just Volume, Is Key to Lowering Disease and Mortality Risk
Public Health Officials 35%Clinical Cardiologists 35%Factlen Editorial Analysis 30%
Olympic Reform
IOC Approves Landmark Charter Change to Evaluate Individual Disciplines for Future Olympic Programs
IOC & Organizers 40%Legacy Federations & Niche Disciplines 30%Sports Analysts & Media 30%
College AthleticsPolicy Decision
NCAA Finalizes Sweeping Age-Based Eligibility Model, Reshaping College Sports
NCAA Administrators 40%Transitioning Athletes 30%Recruiting Advisors 30%
Grand Tour TacticsPolicy Decision
Tour de France Confirms Major Green Jersey Rule Change to Heavily Favor Pure Sprinters
Pure Sprinters & Fast Men 45%Race Organizers (ASO) 35%General Classification Contenders 20%
Athlete WelfarePolicy Move
World Aquatics Mandates Safeguarding Education for All Athletes and Officials Starting 2027
Governing Bodies 50%Athlete Welfare Advocates 50%
AI Wellness
OpenAI Launches ChatGPT Health to Consolidate Fitness, Nutrition, and Medical Data
Everyday Athletes & Biohackers 40%Clinical Dietitians & Physicians 35%Data Privacy Advocates 25%
ExplainerLongevity Science
30-Year Study Finds 90 to 120 Minutes of Weekly Strength Training Cuts Premature Death Risk by 13%
Clinical Researchers 40%Public Health Advocates 35%Fitness Industry Professionals 25%
National ParksPolicy Shift
Interior Secretary Mandates End to Timed Entry Reservations at Yosemite, Glacier, and Arches
Access Advocates 40%Conservationists 40%Gateway Communities 20%
ExplainerGLP-1 Protocols
International Health Bodies Mandate Exercise Prescriptions with GLP-1 Drugs to Preserve Muscle
Medical Consensus 44%Fitness & Wellness Industry 33%Metabolic Health Specialists 22%
ExplainerCombat Sports
US Martial Arts Industry Hits $21.2 Billion as Adults Seek 'Third Space' Community
Specialized Academy Operators 40%Public Health & Wellness Experts 35%Hybrid Fitness Providers 25%
Olympic EligibilityPolicy Decision
IOC Mandates SRY Gene Screening for Olympic Female Category Eligibility
Olympic Governing Bodies 35%Human Rights & Inclusion Advocates 35%Geneticists & Medical Skeptics 30%
Championship RulesFormat Expansion
World Aquatics to Trial 10-Lane Semi-Finals and Finals at 2026 Championships
Governing Body 40%Athlete Advocates 40%Technical Skeptics 20%
ExplainerExercise Oncology
Structured Exercise Cuts Colon Cancer Recurrence by 28% and Death by 37%, Landmark Trial Finds
Clinical Oncologists 40%Exercise Oncology Specialists 35%Healthcare Payers & Policymakers 25%
GLP-1 Side EffectsTrade-Off Analysis
AI Analysis of 400,000 Patients Reveals Unreported GLP-1 Side Effects and How to Mitigate Them
Metabolic Health Advocates 40%Clinical Researchers 35%Women's Health Specialists 25%
ExplainerCardiometabolic Health
New Clinical Studies Validate Pilates as a Potent Intervention for Cardiovascular and Metabolic Health
Clinical Researchers 45%Public Health Advocates 35%Integrative Health Analysts 20%
ExplainerFitness Economics
Commercial Gym Equipment Prices Surge 45% Since 2024 Due to Supply Chain and Steel Costs
Facility Operators 35%Remanufacturing Industry 35%Manufacturing Supply Chain 30%
Sports Science
WADA Bans Non-Diagnostic Carbon Monoxide Use and Tightens Asthma Drug Rules in 2026 Prohibited List
Anti-Doping Regulators 40%Endurance Athletes & Teams 30%Sports Physiologists 30%
Connected FitnessIndustry Shift
Peloton Acquires Connected Pilates Startup Skōp to Expand Strength and Form-Tracking Ecosystem
Connected Fitness Analysts 40%Clinical & Rehab Specialists 30%Peloton Corporate Strategy 30%
ExplainerMarathon Expansion
Cape Town Confirmed as Eighth World Marathon Major, Creating the 'Eight Star' Series
African Athletics Community 35%Global Marathon Organizers 35%Recreational Runners & Tour Operators 30%
Per page