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.
Pro Cyclists Cut Taper to Days, Defying Decade‑Old Science
Top road cyclists are maintaining high training loads until just days before major races, contrary to a 2003 meta‑analysis that advises a 1‑2 week taper with a 40‑60% volume reduction. The clash pits performance‑driven team strategies against established sports‑science guidelines, raising questions for endurance coaches and athletes.
Cross‑train to Boost Aerobic Volume and Ease Run Soreness
A great way to get some more aerobic volume during running training is to ride a bike. Or swim. Or elliptical. A lot of runners don’t like running multiple days on a row due to soreness in running-specific areas like...
Train With Age, Not Against It
Midlife and Master's Athlete Training: The Biological Realities We Face For the better part of 15 years, I have been training in the gym, running, cycling, climbing, and more. But the biology of aging and the physiological changes that come with...
‘At 54, I Tried the Build & Burn Strength Training Kettlebell Program—Here’s My Honest Review’
Women’s Health’s Build & Burn kettlebell program offers a four‑week, four‑day‑a‑week regimen that blends strength, power and cardio conditioning. The author, a 54‑year‑old novice, started with 10‑15 lb kettlebells and progressed to 20‑25 lb, noting gains in core stability, balance and overall confidence. Workouts...
Moderate Carbs Boost Cycling Performance More Than High Intake
Moderate carb intake outperforms high carb intake ‼️ This new study investigated whether carb intake during different steady state exercise intensities improved subsequent time-trial performance 🔍 🚴♂️ 12 trained males completed nine separate bouts of cycling exercise ⬇️ Moderate (120 min at 90% of...
New Study Shows Doing This During Your Walk Can Boost Strength & Stamina
A recent 12‑week study of roughly 100 frail and prefrail seniors found that increasing walking cadence by just 14 steps per minute – roughly a 10‑15% boost – markedly improved functional performance on the 6‑minute walk test. Participants who walked...
Resistance Training Boosts Metabolism, Independence, and Sleep After 40
As a bioscientist studying aging, I could list 50+ reasons why adults 40–60 should be resistance training. Here are 3: 1) Muscle is a major site of glucose disposal - improves blood sugar regulation 2) Key to maintaining physical function and independence...
20 Prompts Make Claude Your $20 Personal Coach
TIME TO FIX YOUR LIFE. this guy literally gives you 20 prompts to turn Claude into your personal nutritionist, trainer, life coach, recovery machine. All within your $20 sub. May just started. Don’t waste another month wishing you started sooner 👇 https://t.co/UKxCavVYbf
What Is a Tiger Push-Up? Benefits, Muscles Worked and Proper Form
The tiger push‑up is an advanced bodyweight exercise that adds a forearm‑to‑hand transition to the classic push‑up. By lowering onto the forearms and pressing back up, it shifts emphasis to the triceps, shoulders, and core while demanding greater coordination. Fitness...
Evidence Lacking for Menstrual Cycle‑Based Training Plans
We often see bold training recommendations for female athletes, but is the science there yet? In this blog, we ask the question: Do we actually have enough evidence to tailor training to menstrual-cycle phases? Start reading now: https://t.co/Jn456GIACE
RDL Should Be a Core Lift for All Athletes
Normalise RDL as a main movement. "for most lifters, athletes, bodybuilders, weekend warriors, and even powerlifters chasing long-term progress, the Romanian deadlift (RDL) deserves top billing." https://t.co/SA259ZSRBF
Expert Review Dismisses ‘Eight Glasses’ Hydration Myth, Calls for Evidence‑Based Water Guidance
Physiologist Tamara Hew‑Butler released a comprehensive review that debunks the popular eight‑glasses‑a‑day rule and other common hydration myths. Drawing on two decades of research and her role as medical research director for the Western States Endurance Run, she urges consumers...
Study Shows Five Minutes of Slow Eccentric Moves Can Build Muscle Without Intense Workouts
Researchers at Edith Cowan University demonstrated that five minutes a day of slow, controlled eccentric exercises can increase muscle size and strength, overturning the belief that only high‑intensity training yields gains. The findings could reshape home‑fitness routines and public‑health recommendations.
Lactate Tests Reveal True Mitochondrial Gains Beyond VO₂max
VO₂max can improve with exercise training in metabolically unhealthy individuals. But VO₂max can improve through mechanisms that have limited relationship to the core cellular dysfunction driving disease. For example, cardiac output can increase while mitochondrial function and cellular bioenergetics remain...
First Half Marathon Too Close to Marathon Goal
I’ve been thinking about this for a while, and I think it’s my real take now: The BoA 13.1 and the Chicago marathon are too close together. They are 18 weeks apart. If truly racing both, you have 17wks to train...
Bill Parisi Leads Speed‑Training Clinic at Newtown Athletic Club
Bill Parisi, founder of Parisi Speed School, conducted a hands‑on speed‑training clinic at Newtown Athletic Club on Thursday. The session brought together the club’s personal trainers and local athletes to explore the latest systems and science behind human performance. Organizers...
Start Strength Training in Your 30s to Preserve Muscle Quality
Muscle loss can begin as early as your 30s, with measurable declines in muscle mass and function occurring well before old age. The study also found that women may lose strength and fitness faster than muscle mass itself, highlighting the...
Energy Balance Isn't Simple: CICO Overlooks Metabolic Variability
Energy Uptake In Athletes Decades ago, Andrew Coggan berated me for making a point that energy eaten via sugar wasn't the same as energy eaten via real food. CICO makes sense, but we are not a closed system. ✅There are heat and...
Tight Calves, Sore Quads? These Amazon Recovery Tools Help Runners Bounce Back
Popular Mechanics highlights a curated set of Amazon‑available recovery tools aimed at runners dealing with tight calves, sore quads, and post‑run fatigue. The lineup includes the TriggerPoint roller stick, Sunny Health stretch machine, foot massage ball, Trideer cork yoga blocks,...
Stronger Legs, Stronger Core, Stronger Ride: The Dumbbell Workout Every Cyclist Needs
The article presents a targeted dumbbell workout designed for cyclists seeking more power, stability, and injury resistance. It outlines a full‑body routine that emphasizes core, glutes, upper back, chest, and shoulders, using only dumbbells and a bench. Each exercise is...
Practice Smart: Rest Ensures Long‑Term Gains
“To maximize gains from long-term practice, individuals must avoid exhaustion and must limit practice to an amount from which they can completely recover on a daily or weekly basis.” ~K. Anders Ericsson
Max Heart Rate Calculator: How to Calculate Your Real Max HR (And Why Formulas Alone Aren’t Enough)
McMillan Running explains that common age‑based max heart‑rate formulas—Fox/Haskell, Tanaka, Gulati, and Nes—produce varying estimates, often differing by 10‑30 beats for the same individual. Because training zones are calculated as percentages of max HR, such errors can misplace workouts across...
Zone 2 Heart Rate Calculator: Find Your Aerobic Sweet Spot
Greg McMillan’s Zone 2 Heart Rate Calculator helps runners pinpoint the aerobic‑base intensity that fuels long‑run endurance. Zone 2 is defined as 55‑78% of heart‑rate reserve, where the body maximizes mitochondrial density, capillary growth, and fat oxidation. The guide explains the talk...
Smart Shoe Reveals Hidden Injury Causes, Not Just Pace
OK, so here's a piece of tech I've been really enjoying-- Most running apps shows you pace and heart rate. This shoe shows you why you keep getting injured. The data it collects is kind of insane.
The 8-Box Framework That Explains Why Some Exercises Build Muscle and Others Don't
Dr. Pat Davidson’s 8‑box framework categorizes exercises by muscle length, velocity, and moment arm, showing that torque—not load—drives adaptation. The model identifies Box 6 (eccentric, slow, long moment arm) as the optimal zone for hypertrophy, while Box 2 (concentric, slow, long arm)...
High-Intensity Exercise After Breast Cancer Surgery May Help Speed Recovery
A recent study presented to the American Society of Breast Surgeons found that high‑intensity resistance training can accelerate recovery after breast‑cancer surgery. Nearly 200 women who had lumpectomies, mastectomies or lymph‑node removals completed a three‑month program, lifting up to 200 lb....
The Workout That’s Helping Hayden Panettiere Come Back From Injury
Actress Hayden Panettiere, 36, is chronicling her recovery from a mysterious lower‑body injury in a new memoir. She attributes her regained mobility and strength to a barre‑focused routine designed with trainer Marnie Alton. The program blends deep pliés, heel raises,...
Modality-Specific Muscle Low-Frequency Fatigue and Recovery Signatures: A Case Report Mapping the HIIT Science Taxonomy
Researchers Buchheit and Laursen used the Myocene Powerdex device to track low‑frequency fatigue before, after, and up to 48 hours following nine HIIT sessions spanning the HIIT Science taxonomy. The data confirmed the presumed hierarchy: Type 1 (Zone 2 sauna bike) caused negligible...
Most Men Have Low VO2 Max – New Training Hacks Boost Oxygen Use Without Hours of Running
Men's Fitness reports that a majority of men possess sub‑optimal VO2 max levels and presents a set of high‑intensity, low‑volume training methods that can raise aerobic capacity without the need for extensive running. The piece highlights wearable tech, consistent interval...
Prioritizing Cycling Led to a New Way of Life and a 275-Pound Weight Loss
Ryan Grewell, a 37‑year‑old chief innovation officer from Ohio, shed roughly 275 lb over three years by making cycling his primary fitness regimen. Starting with short neighborhood loops, he progressed to riding at least five days a week, covering 25 mi per...
Does a Low-Carbohydrate Diet Impede Endurance Sports Performance?
The American Journal of Clinical Nutrition’s Great Debates series pits two leading experts against each other on whether low‑carbohydrate, high‑fat (ketogenic) diets hinder endurance performance. Louise Burke argues that carbs deliver more oxygen‑efficient energy, so strict carb restriction can slow...
Lock Your Leg Like a Back Kick for Better RDLs
Single leg RDLs are one of the most 🔥 exercises for combat sports. It’s loaded single leg balance. Here’s how you can do them better- Lock out the leg that’s going behind you like a back kick. Engaging your entire up...
7 Tips for Surviving and Loving Long Course Season
The article outlines how swimmers can successfully transition from short‑course to long‑course season by adjusting mindset, technique, and pacing. It stresses that long‑course races feel slower because there are fewer turns, so athletes should prioritize stroke efficiency and race feel...
Buffy the Exercise Slayer: Sarah Michelle Gellar’s EMS Workout Trend Explained
Actress Sarah Michelle Gellar has popularized whole‑body EMS (electromyostimulation) suits, joining a growing list of celebrities who wear the gear during pilates‑style workouts. EMS delivers electrical impulses to multiple muscle groups, promising a 20‑minute session can mimic hours of conventional training. Clinical...
Burn the Ships: May 2026
Two Percent released its May 2026 Burn the Ships workout, dubbed MFEMF’R, as the latest installment in its monthly high‑intensity routine. The 40‑50‑minute session blends the author’s favorite exercises and is designed for a global community of subscribers who train together...
Cynthia Erivo Shatters London Marathon PR, Credits Running for Stage Stamina
Cynthia Erivo ran the London Marathon in 3:21:40, shaving nearly 14 minutes off her previous best, and says the regimen powers her demanding one‑woman stage performance. The actress worked with Brooks coach Erika Kemp and treats runs as meditation, highlighting...
Self‑Selected Music Boosts Workout Endurance by 20% Without Extra Effort
Researchers at the University of Jyväskylä found that letting exercisers choose their own music lengthens high‑intensity cycling sessions by nearly 20%, adding about six minutes on average, while heart rate and lactate remain unchanged. The low‑cost, zero‑effort hack could help...
Do You Really Need 1 Gram of Protein Per Pound of Body Weight Per Day?
The long‑standing bodybuilding rule of 1 gram of protein per pound of body weight is being re‑examined after several meta‑analyses suggested a lower threshold of about 0.7 g/lb. Critics point out that the 2018 study’s confidence interval was wide (0.47‑1.0 g/lb) and its...
One Year Training Cuts HR 25 Beats, Boosts Efficiency
A very interesting question that we did a deep data dive on the #MADcrew forum about... https://t.co/GjhhFK2p7c Average improvement in E.F. across the entire group over 1 year was 0.21. At typical training paces (and, of course, assuming volume builds), this would be...
Warm‑ups Activate Your Nervous System, Not Just Muscles
How and why I warm up : Most people think of a warm-up as something you do to “get loose.” That’s not really the point. The real goal is to wake up the systems that control movement, coordination, and energy delivery...
Endurance Athletes Test Baking Soda and Broccoli Shots, Results Mixed
A competitive runner and registered dietitian evaluated three hot endurance supplements—broccoli shots, a pink powder and Maurten’s Bicarb system—over two months. While the hydrogel‑encapsulated baking soda caused no gut distress, performance gains were modest and inconsistent, underscoring lingering doubts about...
Animal Protein Edge Limited to Older Adults, Leucine Key
Our recently published meta-analysis found that animal-based proteins confer a modest advantage in stimulating muscle protein synthesis (MPS) compared to plant-based proteins (PMID: 42055214). At first glance, this might suggest a benefit to prioritizing animal protein for muscle building. However, the...
Protein Powers Recovery, Adaptation, and Performance, Not Just Hypertrophy
Protein is often framed around hypertrophy, but its role is broader. Explore evidence based advice on protein use for recovery, adaptation, and performance in this 2H masterclass with Dr Oliver Witard. https://t.co/X2jF4hM5UH https://t.co/a9kpTqLyQH
Study Shows Omega‑3 Supplements Boost Strength Gains in Active Adults
Researchers from the University of Greenwich and Anglia Ruskin University reported that several weeks of EPA and DHA supplementation enhanced muscle strength gains and recovery in resistance‑trained adults, highlighting a practical nutrition tool for athletes and gym‑goers.
Intensity Is Fine; Insufficient Recovery Is the Problem
Intensity remains highly trainable... But the dose matters. Intensity isn’t the enemy. Frequency without adequate recovery is. https://t.co/drZfgaCvpJ
Overhead Press Beats Bench for Combat Strength
Gym bros My intuition is telling me that the overhead press is a great exercise for developing strength that maps to athletic movements–especially combat sports At the very least, WAY better than the bench press. What do you guys think?
Berkeley Scientists Pinpoint Early‑Night ‘Recovery Switch’ Driving Growth Hormone Surge
UC Berkeley neuroscientists have identified a hypothalamic circuit that ignites the nightly growth‑hormone surge during the first two‑to‑three hours of sleep. The discovery, reported in Cell, could give biohackers a new physiological window to time interventions for muscle repair, fat...
Are Your Barbell Hinges Delivering Real Results?
You say you are hinging with a barbell but are you actually getting results from the your practice? https://t.co/OsV6cUypFn
Garmin Cuts Epix Pro Gen 2 Price by 50%, Undercutting Samsung and Google
Garmin announced a 50% price cut on its Epix Pro Gen 2 Sapphire Edition, now $500 on Amazon, slashing the $1,000 MSRP. The steep discount positions the health‑focused watch as a compelling alternative to Samsung’s Galaxy Watch and Google’s Pixel Watch...
The Bar That Does What Two Bars Used to Do
EliteFTS unveiled the Rackable Cambered Spider Bar, a hybrid specialty bar that fuses the Safety Squat Bar’s yoke handles with the cambered bar’s lower center of gravity. Weighing 80 lb and measuring 86 in, it fits standard power racks and keeps shoulders...