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.
How Will BTS Endure a Grueling World Tour? We Asked Their Ex-Trainer.
BTS launches the U.S. leg of an 11‑month world tour that will hit 34 cities and 80 concerts. The schedule demands high‑energy performances, endless rehearsals, media duties and as little as four hours of sleep each night. Former conditioning coach Kim Jinwoo, who guided the group through its first four tours, likens the members to professional athletes, emphasizing stamina, injury prevention and the maintenance of a specific physique. As most members now enter their 30s, the physical strain intensifies.
Are You Ready for Your Next Big Trip? Test Your Hiking Fitness With These 3 Assessments
Backpacker magazine highlights a trio of hiking‑fitness assessments created by trainer Lee Welton to gauge leg strength, core stability, and cardiovascular endurance. The protocol starts with baseline rep counts for squats, leg bridges, planks and calf raises, then tracks improvement...
Carb‑loading and Resting Before Marathon Day
With just about 24 hours from the @londonmarathon, I’ve switched to my bland, high carb diet. Today I’m staying off my feet as much as possible while I prep everything I need for tomorrow. Just one fun little outing today.
Do Pre‑Workout Supplements Really Work? Find Out
Pre-workout supplements: which ones are the best? Or perhaps more importantly, do they work, and are they necessary? Read the blog for more: https://t.co/CcgZh7r5zN https://t.co/cIsqvrgF6r
Sarcopenia Cure 2026
Strength‑training influencer DaCharmingAlbino posted two detailed workout logs from Week 13 of a peaking macro, covering heavy bench‑press work up to 215 lb at RPE 7‑8 and deadlift sessions topping 415 lb at RPE 7‑8. The logs also include low‑bar wide‑stance squats, pin presses, and...
Even at 82, Speed Training Pays Off
82-year-old Domenic Stallato runs 100 meters in 16.02 sec A physically active 30-year-old would run it in about 12-14 seconds Importance of training speed and power with age: https://t.co/HSHGgsTIYU https://t.co/gZppsjkstC
UFC’s Undefeated Shavkat Rakhmonov Details Knee Surgery Rehab, Eyes Late‑2026 Return
UFC welterweight champion Shavkat Rakhmonov revealed that his February 2026 knee surgery will require at least nine months of rehabilitation, pushing his comeback to the end of 2026 or early 2027. The Kazakh star, unbeaten at 19‑0, described the process...
Cross‑training: Additive, Not Replacement, Fuels Running Growth
One of my coaches always called cross-training "supplemental training" - and it's genius. He wanted us to think about cycling or pool running as something we do to supplement our running. It was *in addition to* running - not just in...
Adapting Marathon Training When Plans Fall Apart
Check out my podcast interview with Letty from @marathonjournal_ on marathon training, panic training, injuries, trying to cram it all in etc. A great topic on strategies and navigating a marathon plan when things may not go as planned in...
Olympic Biathlete Martin Fourcade Posts Sub‑100 BPM in Elite Respiratory Test
In a recent RMC Running interview, Olympic biathlon star Martin Fourcade revealed he achieved a heart rate below 100 beats per minute during an elite cardio‑respiratory test, a metric previously highlighted by French distance runner Jimmy Gressier. The result underscores...
Embrace Post‑Marathon Blues: Recover, Reflect, Plan Ahead
The post-marathon blues are common, and a natural part of the sport. When we deeply care about, and train for months with one date and goal in mind, it feels odd when it’s in the rear view mirror. My advice: reflect,...
The 12 Very Best Foam Rollers
The Strategist’s roundup identifies the 12 best foam rollers for home and gym use, ranging from high‑density, textured models like the TriggerPoint Grid 1.0 to tech‑enhanced options such as the Hyperice Vyper 3 with vibration. Prices span from Amazon Basics’ budget‑friendly...
I Graduated to an Extra-Firm Foam Roller and I’m Never Going Back
The RAD Axle extra‑firm foam roller, featuring an EVA foam exterior and ABS core, offers a denser, six‑inch diameter for deeper muscle stretch compared to standard rollers. Its indented center groove and convertible design that accepts a thin massage rod...
24 Low-Impact Cardio Workouts That Still Burn Major Calories
Women’s Health outlines 24 low‑impact cardio workouts that still torch calories, ranging from stationary bike sessions that can burn 498‑738 calories per hour to strength‑based moves like battle ropes and mountain climbers. The list mixes equipment‑heavy options such as rowing...
When Grit Becomes the Enemy
Swede Burns attempted a 525‑lb deadlift at a Philadelphia meet while fighting a severe viral infection that had stripped him of 15 lb. The compromised nervous system caused him to lose control, shattering two vertebrae and a disc, which required emergency...
Neglected Coordination Increases Injuries; Targeted Work Cuts Risk 72%
Balance & Coordination Limitations → Injury Amplification in Compensation Loops This loop/trap — is built through years of reinforced poor movement. This was the big thing I saw with endurance athletes 20yrs ago. Neuromuscular injury prevention demonstrates that high adherence to...
Add New Leg Variations to Boost Strength
If your leg day feels boring, you need these 👇 Most people repeat the same lower body exercises and wonder why they stop progressing. These variations will push your strength, balance, and control to another level. Perfect for building: * Strong legs * Powerful glutes *...
NASM Study Finds Certified Trainers Earn 22% More, Highlighting Growing Earnings Gap
The National Academy of Sports Medicine (NASM) released a study of 1,133 active personal trainers showing that NASM‑certified professionals earn an average hourly rate of $57.02, 22% higher than the industry average of $46.90. The data underscores a widening earnings...
Nutrition Wins: How I Powered Through Boston 2026
Feels necessary to explain this aggressive first photo, what kept a smile on my face 83% of the race, how important nutrition is for marathons, and how I tackled that all this time so ready or not….. Boston Marathon 2026 Race...
From Quad Tear to Consistent Runs: Progress
One year ago today I tore my quad tendon. When asked if I would ever run again, my surgeon said, “Only God knows”. I’ve been running for 6 months, seldom more than a mile. I’ve yet to break 10:00. 39...
Coros and Wahoo Partner to Give Athletes More Control over Their Training
Coros and Wahoo announced a two‑way API integration that links Coros wearables with Wahoo’s training apps, hardware and the Kickr Run treadmill. The sync lets activity files upload automatically to both platforms, eliminating manual data transfers. Wahoo will now sell...
Have You Heard of Astaxanthin? You Will Soon
Astaxanthin, a red carotenoid antioxidant produced by microalgae, is gaining attention for its unique ability to span cell membranes and protect cellular structures. AstaReal, the flagship brand owned by Fuji Chemical Industries, supplies the most studied natural astaxanthin, with dosages...
Research Supports OmniActive’s Capsimax as a GLP-1 ‘Booster’
OmniActive’s Capsimax, a 2% capsaicinoid chili extract, boosted plasma GLP‑1 levels by 13% after a seven‑day regimen in a randomized, double‑blind, placebo‑controlled crossover study of 40 resistance‑trained men. The same trial reported significant improvements in peak force, power output, muscular...
Vitamin K2 May Influence Neuromuscular Signaling: RCT
A 12‑week randomized controlled trial examined vitamin K2 MK‑7 (Balchem’s K2VITAL) in healthy adults 18‑40 and 65 plus following muscle‑damaging resistance exercise. Across the full cohort, supplementation did not improve strength, soreness, or inflammation. However, participants aged 65 and older showed a shorter electromechanical...
Ease Into Sprints to Boost Distance Running Safely
Sprints can be very beneficial for distance runners. But you still need to ease into this type of training. Muscle and tendon forces are REALLY high during sprinting. If you haven’t attempted it in years, you run the risk of...
Small-Sided Games in Football: From Theory to Practical Application
Small-sided games (SSG) remain a core training tool in football, but their effectiveness hinges on precise control of variables, especially the space allocated per player (EII). The article outlines three density zones—under 100 m², 100‑200 m², and over 200 m² per player—each producing...
Stay Active Post‑race: Sun, Friends Beat Sedentary Stress
This is a good one to keep in mind for the first 14 days after an Ironman or Marathon Keep moving, get outside in the sun, see friends There's a lot of stress associated with taking yourself from highly active to sedentary As...
Psycle Launches ‘Optimised Split’ Luxury Hybrid Class in London Bridge
Psycle has opened a new London Bridge studio that offers an “optimised split” class blending spinning and Lagree training. The hybrid aims to maximise results for the city’s high‑end fitness clientele, expanding Psycle’s portfolio of seven boutique locations and over...
Why Your Medial Elbow Pain Gets Worse Before Healing
Medial Epicondylitis.. Golfers' Elbow (stupid name). The most common cause of pain on the inner side of your elbow. A thread... If you lift, and certainly if you climb, you'll likely experience medial elbow pain at some point. Heck, most...
Recovery Nutrition: Fuel Your Body Like an Engine
Your recovery nutrition is equally as important as the workout itself. Imagine putting stress on an engine by revving and going very fast but never putting gas in the car or never changing the oil or avoiding putting air in...
Cycling Scientists Stress 90‑120 G Carbs per Hour to Close Fueling Gap
Sports scientists and elite coaches, including Asker Jeukendrup and Dan Lorang, warned that the majority of trained cyclists consume far too few carbohydrates during hard rides. Their consensus calls for 90‑120 g of carbs per hour on efforts longer than 60...
Whey Protein Isolate Vs. Concentrate: Which One Is Better?
Whey protein isolate and concentrate are the two primary forms of milk‑derived protein powder, each with distinct processing levels and nutrient profiles. Isolate is 90‑95% pure protein, delivering roughly 27‑28 g per 30 g scoop, low in carbs, fat, and lactose, but...
Neuroscientist Ramses Alcaide Backs Early Exercise and Breakfast for All‑Day Mental Clarity
Neuroscientist and Neurable co‑founder Dr. Ramses Alcaide says a brief bout of moderate activity followed by a healthy breakfast within the first hour after waking spikes cortisol and aligns circadian clocks, delivering sustained concentration and faster reaction times. The advice,...
ACSM Unveils New Resistance‑Training Guidelines Prioritizing Simplicity and Consistency
The American College of Sports Medicine (ACSM) released its first major resistance‑training position stand in 17 years, urging healthy adults to focus on regular, enjoyable strength work rather than intricate programming. The update, based on 137 systematic reviews covering more...
Early Weight‑Bearing Cuts Recovery Time After Hip Fracture Surgery
Researchers led by Ma, Y. and colleagues demonstrated that a standardized early weight‑bearing protocol enables older patients to regain walking ability and strength weeks sooner after intertrochanteric fracture surgery, without increasing fixation failures. The findings could shift postoperative care toward...
Salty Sweaters Need Sodium: Track, Replace, Stay Strong
Yes, this is completely normal and very common in “salty sweaters”. It really depends on genetics, sweat rate, how intensely your body is working to cool itself, the climate/humidity, and even how acclimated you are to the heat. Seeing white salt residue...
Prepared, Paced, and Powered Through Boston 2026
Boston 2026 didn’t disappoint. Showed up feeling ready. Training was there, I felt strong Nutrition was dialed in, my energy high Pacing was right, quick, steady and sustainable And I finished strong 💪 #bostonmarathon #marathon #furlthefinish
ISSN Position Paper Highlights Omega‑3 Benefits for Athletic Performance
The International Society of Sports Nutrition (ISSN) released a position paper confirming that omega‑3 fatty acids, specifically EPA and DHA, can improve running economy, cardiovascular efficiency, and muscle tissue quality in athletes. The paper synthesizes recent trials and offers practical...
Deliberate Elite Training Essential to Avoid Mediocre AI
"We’re at the hinge point. Either we treat training like the high-performer treats nutrition and training, deliberate, sourced from the best, recovered properly or we accept a future of increasingly capable but fundamentally mediocre intelligence. Smooth, confident, and hollow. Like...
Hit Breakpoint Volume? Train Less or Recover Better
As volume ⬆️... fitness (pace for a given HR) should ⬆️ When this stops being the case, you've hit breakpoint volume. You have 2 options at that point: 1/ Train less. 2/ Recover better.
Meta‑Analysis Shows Resistance Training Works Equally for Pre‑ and Post‑Menopausal Women
A new meta‑analysis of 4,019 women across 126 studies finds resistance training improves strength, muscle mass and reduces fat equally for premenopausal and postmenopausal participants. The findings challenge the notion that menopause limits gains from strength work and could reshape...
Sodium May Boost Exercise Performance—Evidence Reviewed
If sodium plays an important role during exercise, then it makes sense that sodium would help performance. But does the evidence support this? Read the blog for more: https://t.co/GHvinkuz9T https://t.co/HDjW2m8z9e
Elite Training: Fundamentals over Flashy Performance Hype
Sprints, sleds, jumps, bounds, throws. Push, pull, squat, hinge. It’s almost as if fundamental reality of elite sports performance training. is betrayed by the performative nature of what is promoted as elite performance training. https://t.co/ksdfTPmsl5
Study Finds Rapamycin May Undermine Exercise Benefits
Researchers at the Lifespan Research Institute reported that rapamycin, a leading longevity drug, may blunt the physiological gains from regular exercise. The finding challenges the common biohacker practice of pairing rapamycin with fitness regimens and highlights a potential trade‑off between...
Rethink Endurance Performance with Modern Evidence-Based Insights
This webinar is about rethinking endurance performance through a broader, more modern, and more evidence-based lens. Join the session: https://t.co/FHjGFZjzbF https://t.co/BIJlBQcDUF
New Research Highlights 10 Peptides You Shouldn’t Be Using
A new review in *Sports Medicine* examined ten peptides that are circulating on social media as performance‑enhancers. The authors found that most of these compounds have only animal or in‑vitro data, with little or no convincing human research. All but...
5 Hours Weekly, 35 Years:
The investment: ~5 hours a week. Lifting heavy objects 3x a week, 2 work sets per exercise, 2-3 exercises (at least one compound movement) to failure and hiking or jog for an hour or so 1X a week, sprint intervals...
Switched to Apple Watch for Recovery and Bio‑Metrics
Ditched my whoop and I’m now fully back on the Apple Watch, there are apps that give you recovery, body battery, biological age
Push-Ups Can Be One of the Best Strength Moves for Cyclists With Back Pain (If You Do Them Right)
Push‑ups, when performed with proper alignment, are one of the most effective strength moves for cyclists suffering from back pain. The exercise builds upper‑body, core, and postural strength that translates into a more stable, efficient riding position. Correct hand placement,...
Resistance Training Counters Age‑related Muscle Loss and Restores Protein Sensitivity
Muscle loss with age is common, but much of that decline is driven by inactivity, not aging alone. On average, we reach peak muscle mass somewhere between 20 and 30, then lose about 8% per decade after that. By the time...