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Today's Fitness Pulse

Eternal launches AI‑driven weekly health podcasts after $13.25M seed round

Health‑and‑longevity startup Eternal closed a $13.25 million seed round and introduced AI‑generated five‑minute podcasts that deliver personalized health updates. The briefings pull data from wearables, blood work and DEXA scans to cover sleep, movement, strength, cardio and recovery for each user.

Prioritize Aerobic Training, Periodic Races Reveal True Fitness
SocialApr 5, 2026

Prioritize Aerobic Training, Periodic Races Reveal True Fitness

Yes, but... 1/ Going along with @hjluks most recent post... "Aerobic Deficiency Syndrome" is a freaking epidemic. That is, most of us have aerobic fitness orders of magnitude worse than our anaerobic fitness. This should be reflected in how much training time/emphasis...

By Alan Couzens
Should You Exercise Harder or Longer? What New Data Suggests
NewsApr 5, 2026

Should You Exercise Harder or Longer? What New Data Suggests

Two recent UK Biobank analyses of 100,000 participants reveal that exercise intensity matters as much as total activity volume. Wei et al. found that, for equal weekly movement, higher‑intensity bouts are linked to a lower incidence of eight major chronic diseases,...

By Psychology Today (site-wide)
‘Functional Fitness’ Is Trending. Here’s How—And Why—You Should Start
NewsApr 5, 2026

‘Functional Fitness’ Is Trending. Here’s How—And Why—You Should Start

Functional fitness, the ability to perform daily activities efficiently, is gaining mainstream traction. The rise of hybrid events like Hyrox and popular workouts such as rucking have propelled the trend beyond niche gyms. Experts argue that traditional strength routines often...

By GQ
Time Your Fitness Boosters for Peak Performance
SocialApr 5, 2026

Time Your Fitness Boosters for Peak Performance

Fitness isn’t one engine. It’s a sequence of boosters - each one timed to fire at exactly the right moment 🚀 Get the sequence right → you peak on race day. Get it wrong → you never leave the ground. My latest: Building your season...

By Alan Couzens
High-Performing Athletes Suffer More Health Issues Than Elite
SocialApr 5, 2026

High-Performing Athletes Suffer More Health Issues Than Elite

Fascinating review on the relationship between level of training/performance and immune function. I would agree that "high" performing athletes generally have worse health than "elite" performing athletes. Because... 1/ They have less control over life stress (often global "Type A" personalities) 2/ They train...

By Alan Couzens
Train in Hawaii With Olympic Coach Mark Schubert: Exclusive Summer Swim Camp
NewsApr 5, 2026

Train in Hawaii With Olympic Coach Mark Schubert: Exclusive Summer Swim Camp

The Mark Schubert Hawaii Swim Camp offers competitive swimmers a two‑week intensive training experience on Oahu in July 2026. Coached by Olympic veteran Mark Schubert, the program emphasizes technique, video analysis, race strategy, speed work, and mental preparation. Participants can...

By Swimming World
Early Heart Rate Spike Is Normal, Not a Problem
SocialApr 5, 2026

Early Heart Rate Spike Is Normal, Not a Problem

Aerobic base building - the Cliff Notes version. This is for two groups: those just starting out and those who've been sidelined for a while. You lace up, head out, and ten minutes in, your heart is pounding, and you're breathing...

By Howard Luks, MD
Carb Mouth Rinse Boosts Reps by 12% in Combat Athletes
SocialApr 5, 2026

Carb Mouth Rinse Boosts Reps by 12% in Combat Athletes

Carbohydrate mouth rinse enhances repeat high-intensity efforts 🥤 This new study recruited 14 combat sports athletes (Judo + BJJ) to complete 3 x judogi grip test separated by 3-mins under two conditions… 1️⃣ Carb mouth rinse (6.4% maltodextrin) 2️⃣ Placebo Interventions were used pre-warm-up...

By Tom Coughlin, MSc (Performance Nutritionist)
These 6 Popular Workout Supplements Can Also Support Your Heart Health
NewsApr 5, 2026

These 6 Popular Workout Supplements Can Also Support Your Heart Health

A recent review of 33 studies examined six popular workout supplements—creatine, beta‑alanine, caffeine, synephrine, nitric‑oxide boosters, and taurine—highlighting both performance gains and cardiovascular effects. Creatine and taurine emerged as the most robust options, offering strength, endurance, and measurable heart‑protective benefits....

By Mindbodygreen
Master the Basics, Not Complexity, for True Performance
SocialApr 5, 2026

Master the Basics, Not Complexity, for True Performance

True performance isn’t built on complexity. It’s built on mastery of the basics executed with technical excellence, biomechanical understanding, and deliberate craftsmanship.

By William Wayland
Home Shed Gym 5/3/1 - Focusing on the Iron
NewsApr 5, 2026

Home Shed Gym 5/3/1 - Focusing on the Iron

A fitness enthusiast posted a detailed home‑gym log featuring the 5/3/1 strength program and supplemental conditioning. The workout included barbell deadlifts, squats, bench presses, kettlebell clean‑and‑presses, and a mix of cardio on a bike and outdoor walks. Personal notes mention...

By T-Nation
Dadfit | 531 and Other Stuff
NewsApr 5, 2026

Dadfit | 531 and Other Stuff

The author logged a high‑volume kettlebell session, completing 500 swings with a 24 kg bell, followed by a 4× 4:1 walk‑run interval. After an unscripted long‑weekend break, the routine will resume on Tuesday, integrating the 5/3/1 strength framework. The post thanks...

By T-Nation
Jetts Fitness India Signals Shift to Strength, Recovery and Mindset in 2026
NewsApr 5, 2026

Jetts Fitness India Signals Shift to Strength, Recovery and Mindset in 2026

Jetts Fitness India’s Managing Director Rahull Raghuvanshii says the Indian fitness market is moving away from weight‑loss‑only goals toward a holistic model that blends strength training, recovery science and mindset work. The change is driven by consumer demand for functional...

By Pulse
Study Finds Cycling Up to Four Times More Efficient Than Walking for Heart Health
NewsApr 5, 2026

Study Finds Cycling Up to Four Times More Efficient Than Walking for Heart Health

Exercise scientist Anthony Blazevich highlighted research indicating cycling may be up to four times more efficient than walking for cardiovascular health. The findings, published on April 4, 2026, suggest a simple shift in daily activity could dramatically improve aerobic fitness.

By Pulse
Men Match Women in Pilates Reformer Classes, Fueled by Celebrity Endorsements
NewsApr 5, 2026

Men Match Women in Pilates Reformer Classes, Fueled by Celebrity Endorsements

Virgin Active reports that men now account for half of reformer Pilates participants, matching women for the first time. The shift is linked to high‑profile fans such as David Beckham, Ed Sheeran and Harry Styles, and is reshaping class dynamics at...

By Pulse
Skip the Gym—Two Dumbbells, Floor, Full-Body Workout
SocialApr 4, 2026

Skip the Gym—Two Dumbbells, Floor, Full-Body Workout

Hot take: you don’t need a gym membership, a Peloton, or a $200/month studio class to be in shape. You need two dumbbells and your living room floor. I put together a full body workout with GIFs so you can’t...

By Bobby Berk
AI-Generated Training Plan Nearly Causes Back Injury, Human Coach Steps In
NewsApr 4, 2026

AI-Generated Training Plan Nearly Causes Back Injury, Human Coach Steps In

Nicole Glennon used an AI chatbot to design an eight‑week Hyrox‑style training program. A week before the event, her human coach identified a risky weight‑lifting progression that could have caused a back injury, prompting a last‑minute overhaul. The incident underscores...

By Pulse
Strength Training Turns Runners Faster, Safer, Stronger
SocialApr 4, 2026

Strength Training Turns Runners Faster, Safer, Stronger

15 years ago, it was impossible to get runners to lift weights. Thankfully, the tide has turned. Runners who strength train... - Have less injury risk - Can kick faster - Look better (IMO) - Run more efficiently Let's get started: strengthrunning.com/strength

By Jason Fitzgerald (Strength Running)
The 7 Best Resistance Bands For a Killer Workout Anywhere
NewsApr 4, 2026

The 7 Best Resistance Bands For a Killer Workout Anywhere

The article reviews seven top resistance‑band kits, highlighting the Total Fitness Package’s comprehensive accessories, Bodylastics’ safety‑cord design, and niche options like hypoallergenic Vulcan bands. Each set is evaluated on durability, resistance range, and added features such as digital workout apps...

By Runners World
Mix Easy Runs with One Fast and One Uptempo Day
SocialApr 4, 2026

Mix Easy Runs with One Fast and One Uptempo Day

A simple way to develop aerobic fitness: Lots of easy runs. 1 day/week = short and fast but under control. (i.e. 8x1min on/off, or 12x 30sec/1 off at 5k to 1mile effort) 1 day/wk = longer, controlled & uptempo (4x5min, 2x10min, or 6x3min...

By Steve Magness
How to Train for Surfing: 12 Essential Land Exercises That Actually Work
NewsApr 4, 2026

How to Train for Surfing: 12 Essential Land Exercises That Actually Work

The article presents a curated list of 12 land‑based exercises designed to boost surfing performance. It groups movements into four pillars—paddling power (vertical pulls, standing pulldowns, barbell rows), balance (shrimp squats, single‑leg deadlift, Romanian deadlift), power (push‑ups, jump squats, one‑arm...

By Surfer
Simple Pre‑Workout Fuel: No Excuses, Prioritize Health
SocialApr 4, 2026

Simple Pre‑Workout Fuel: No Excuses, Prioritize Health

The BEST 🚀 pre-workout fuel simple, effective, intentional. Two hours out: -Carbs -Protein -Fluid "But I don't have time" -person on their phone > 5 hours per say doom scrolling Nonsense. When I travel, I go straight to the grocery store for fruit and...

By Wendi Irlbeck, MS, RDN, CISSN
Boost Metabolism: Cross‑Train 1‑4 Times Your Running
SocialApr 4, 2026

Boost Metabolism: Cross‑Train 1‑4 Times Your Running

Runners, if you want to accelerate the metabolic transformation Alan explains then cross train Start with 1:1 ratio (in minutes) with your run volume. The cross training should be supplemental Zone 1 / Easy volume. This will help to rebalance your...

By Gordo Byrn
Is Cardio Fitness or Muscular Strength More Important for Longevity?
NewsApr 4, 2026

Is Cardio Fitness or Muscular Strength More Important for Longevity?

The long‑standing debate over cardio versus strength training for longevity has gained new scientific footing. A massive cohort study of 416,240 American adults showed that even modest moderate‑to‑vigorous activity—about an hour per week—significantly lowers mortality risk. While both aerobic exercise...

By GQ
Walking vs Running: Which Is Better for You?
NewsApr 4, 2026

Walking vs Running: Which Is Better for You?

Recent research shows walking as few as 7,000 steps a day can slash all‑cause mortality risk by up to 70%, while just five to ten minutes of running at six mph also lowers cardiovascular death risk. Running burns roughly double the...

By GQ
Yes, Creatine Benefits Include Reversing the Effects of Sleep Deprivation and Stress
NewsApr 4, 2026

Yes, Creatine Benefits Include Reversing the Effects of Sleep Deprivation and Stress

Creatine monohydrate, long‑established for muscle growth, is gaining scientific backing as a brain‑fueling supplement. Recent studies show that higher daily doses—10 to 25 grams—can raise brain creatine levels and mitigate cognitive deficits caused by sleep loss and stress. Trials published...

By GQ
La Penitente
BlogApr 4, 2026

La Penitente

La Penitente, a 0.4‑km climb on the outskirts of Quito, Ecuador, boasts a 56 % average grade and a 240 m vertical gain over roughly 420 m of horizontal distance, making it the city’s steepest ascent. The route has become a premier training...

By Fastest Known Time – Blog
ACSM Updates Guidance, Calls for Consistent Strength Training to Boost Health
NewsApr 4, 2026

ACSM Updates Guidance, Calls for Consistent Strength Training to Boost Health

The American College of Sports Medicine (ACSM) unveiled updated strength‑training recommendations, emphasizing regular, sustainable resistance work over complex routines. Based on a review of 137 systematic studies involving more than 30,000 participants, the guidance argues that consistency and effort drive...

By Pulse
First Cool-Day Tempo Run Boosts Speed and Confidence
SocialApr 4, 2026

First Cool-Day Tempo Run Boosts Speed and Confidence

One of my favorite tricks I learned from my HS coach. In TX in the fall, on the 1st day when cool weather finally hits, do a longer hard tempo run. Why? You finally feel good on a run & instantly run...

By Steve Magness
Gradual Long-Run Build Ensures Sustainable Marathon Success
SocialApr 4, 2026

Gradual Long-Run Build Ensures Sustainable Marathon Success

I like using a conservative progression for long runs during marathon training. Here’s a year-long progression of a runner who ran very well in year 2 as a marathoner. We include periods of building, sustaining, back off, then building again....

By rebuiltpt
Movement-Based Approach in Strength Training Weekly Periodization for Women’s Football: Linking the Gym with the Pitch
BlogApr 4, 2026

Movement-Based Approach in Strength Training Weekly Periodization for Women’s Football: Linking the Gym with the Pitch

Recent research highlights a movement‑based weekly periodization model that bridges strength work in the gym with on‑pitch performance for women’s football. Studies from PSG’s 2018 summit, a 2021 strength‑speed correlation analysis, and a 2025 micro‑dosing framework demonstrate that frequent, low‑volume...

By Sport Performance & Science Reports
The New Performance Metric that May Replace W/Kg
NewsApr 4, 2026

The New Performance Metric that May Replace W/Kg

The cycling world is questioning the long‑standing watts‑per‑kilogram (W/kg) metric after research showed it poorly predicts race outcomes. A new "compound score"—which blends absolute power output with relative power—has emerged from studies led by Peter Leo and John Wakefield. Early...

By Escape Collective
Coffee and Carbs Are All the Pre‑workout You Need
SocialApr 4, 2026

Coffee and Carbs Are All the Pre‑workout You Need

Coffee is a preworkout. Carbs are a preworkout. You don’t need a special preworkout supplement if you don’t want one.

By Allison Knott, MS, RDN, CSSD
Exercise Mitigates Motor Unit Decline During Bedrest in Seniors
SocialApr 4, 2026

Exercise Mitigates Motor Unit Decline During Bedrest in Seniors

Exercise during 14 days of head down tilt bedrest attenuates motor unit impairments in older humans https://t.co/LOCU5ppBxh @ExpPhysiol https://t.co/0sdUCLOqP7

By David Barzilai, MD PhD
Daymond John Reveals Daily Biohacking Regimen Aimed at Longevity and Peak Performance
NewsApr 4, 2026

Daymond John Reveals Daily Biohacking Regimen Aimed at Longevity and Peak Performance

Entrepreneur Daymond John disclosed his day‑to‑day biohacking protocol, including a 2 p.m.–8 p.m. eating window, weekly 24‑ to 36‑hour fasts, three cold‑brew coffees, and 15‑minute explosive workouts. The routine underpins his demanding schedule of 250 travel days and multiple business ventures.

By Pulse
Intensity Sits Atop Foundation, Not Building It
SocialApr 4, 2026

Intensity Sits Atop Foundation, Not Building It

Intensity does not build the foundation. It sits on top of it... Module 6: Intensity and Locomotion. https://t.co/jGp9VQeU4a

By Howard Luks, MD
Supersets Boost Efficiency and Training Effectiveness
SocialApr 4, 2026

Supersets Boost Efficiency and Training Effectiveness

Supersets are an awesome way to improve your training effect and make your time in the gym more efficient. Here are some of my favorite exercise pairings: https://t.co/9ECFltCPZ6

By Eric Cressey
Miami Dolphins Roll Out Expanded Off‑Season Program Emphasizing Performance and Injury Prevention
NewsApr 4, 2026

Miami Dolphins Roll Out Expanded Off‑Season Program Emphasizing Performance and Injury Prevention

The Miami Dolphins announced a revamped 2026 off‑season conditioning schedule that begins April 7 and features nine organized team activities, a first‑time voluntary veteran minicamp, and contract bonuses up to $50,000 to drive participation. The overhaul signals a shift toward...

By Pulse
Pre‑sleep Protein Boosts Muscle Mass and Strength
SocialApr 4, 2026

Pre‑sleep Protein Boosts Muscle Mass and Strength

This study found that adding protein before sleep during a 12 week resistance training programme increased muscle mass and strength gains. Read the blog: https://t.co/f7Xyv1KzlZ https://t.co/r3am4gpDIK

By Asker Jeukendrup, PhD
Study Finds Minimal Resistance Training Still Boosts Strength for Biohackers
NewsApr 4, 2026

Study Finds Minimal Resistance Training Still Boosts Strength for Biohackers

Researchers have identified the minimum effective dose of resistance training that still produces measurable strength gains. The findings, highlighted by Outside Magazine, suggest most people can achieve results without extensive workout volume, easing concerns about overtraining.

By Pulse
Nutrition's Role in Enhancing Sleep: Join Webinar
SocialApr 4, 2026

Nutrition's Role in Enhancing Sleep: Join Webinar

Coaches, dietitians, academics, athletes: how can nutrition support sleep? Join the discussion. Register to the webinar: https://t.co/0PJC4DLDwV https://t.co/jyI255uZm3

By Asker Jeukendrup, PhD
A Metabolism Researcher Shared 2 Simple Things He Does to Reduce His Cancer Risk
NewsApr 4, 2026

A Metabolism Researcher Shared 2 Simple Things He Does to Reduce His Cancer Risk

Dr. Charles Brenner, a metabolism researcher at City of Hope, says two simple habits—varying physical activity and eating a plant‑focused Mediterranean diet—help reduce cancer risk. He stresses moving frequently, from gym classes to dog‑walking and playing with his kids, to...

By Business Insider — Markets
Master Hinge Progression: From Foam Roller to Barbell
SocialApr 4, 2026

Master Hinge Progression: From Foam Roller to Barbell

An important pattern I teach my juniors is effective hinging, it doesn’t appear in a vacuum put a progression process of typically. Bodyweight/foam roller hinge ➡️ Dowel Hinge ➡️ single KB RDL ➡️ Barbell RDL I can spot the kids where...

By William Wayland
Master the Hip Hinge: RDL Boosts Performance and Resilience
SocialApr 4, 2026

Master the Hip Hinge: RDL Boosts Performance and Resilience

The Romanian Deadlift (RDL) and other variants are some of the most effective yet misunderstood exercises for developing the hip and back. Posterior chain development, athletic performance, and injury resilience are all benefits of better hinging at the hip.

By William Wayland
I Did 50 Squat Jumps Every Morning for a Week and My Energy, Strength and Mood All Improved
NewsApr 4, 2026

I Did 50 Squat Jumps Every Morning for a Week and My Energy, Strength and Mood All Improved

A personal experiment of doing 50 squat jumps each morning for a week showed noticeable gains in energy, strength, and mood. The routine spikes heart rate, improves circulation and lymphatic flow, and primes the nervous system for the day. By...

By T3
9 Simple Home Fitness Tests Every Woman over 50 Should Pass – and the Tiny Tweaks that Transform Your Results
NewsApr 4, 2026

9 Simple Home Fitness Tests Every Woman over 50 Should Pass – and the Tiny Tweaks that Transform Your Results

Women over 50 can gauge functional fitness with nine simple home tests that assess balance, strength, mobility and walking speed. The tests—single‑leg stand, 30‑second chair‑stand, push‑ups, farmer’s carry, wall sit, chest press, core reps, back‑scratch, and gait speed—provide concrete benchmarks...

By Netmums
Sarcopenia Cure 2026
NewsApr 4, 2026

Sarcopenia Cure 2026

The athlete recorded a high‑intensity lower‑body session on April 1, 2026, hitting a 7‑rep personal record (PR) at 285 lb on the low‑bar squat despite a lingering hip issue. Good mornings replaced Romanian deadlifts to protect the adductor, while a 205 lb seated...

By T-Nation
Your Easy Runs Are Already Threshold Workouts
SocialApr 4, 2026

Your Easy Runs Are Already Threshold Workouts

"Coach, after reading Bakken's book, I think I need to add some threshold runs to my week" "Are you lactate testing your easy runs?" "No." "Good news: You're already doing them."

By Alan Couzens
95‑Year‑Old Jane Asher Breaks Five Age‑Group World Records, Redefining Senior Fitness
NewsApr 4, 2026

95‑Year‑Old Jane Asher Breaks Five Age‑Group World Records, Redefining Senior Fitness

Jane Asher, a 95‑year‑old great‑grandmother from South London, set five new age‑group world records in swimming, underscoring the potential of disciplined training for older athletes. Her achievements have sparked renewed interest in longevity‑focused fitness programs.

By Pulse