HIIT Improved Fitness and Blood Pressure With or Without ACE Inhibitors or ARBs
A 16-week supervised HIIT study in 62 sedentary adults with metabolic syndrome found similar improvements in fitness and…
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Well-Timed Exercise Prompts Added 176 Steps in the Next 30 Minutes in Women
A microrandomized smartphone study in 160 women found that context-sensitive activity prompts added about 176 steps over the following 30 minutes and increased the odds of breaking sedentary time.
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Body Fat Prediction Formulas Showed Large Errors Across Global Validation
A new Nature Health validation of seven simple body fat prediction formulas across 8,228 adults in 30 countries…
Physical Activity Was Linked to Better Memory Across 136,503 Older Adults
A new four-cohort study of 136,503 adults age 50 and older found physical activity was consistently associated with…
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Exercise Snacking Showed Promise for Strength and Mobility in Older Adults, Review Finds
A new scoping review of 16 studies found short exercise snacks may improve strength, balance and mobility in older adults, but the evidence base is still small and…
Fitness News Archive
Blood Flow Restriction Added No Extra Benefit to Remote Bodyweight Training in Small Trial
Caffeine Made 30-Meter Sprints About 1.5% Faster in Small Female Athlete Trial
Exercise-Led Lifestyle Program Improved Quality of Life During Prostate Cancer Hormone Therapy
Exercise-Associated Muscle Cramps: Past Cramp History Stood Out in New Review
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Reactive Balance Training Improved Stepping but Did Not Reduce Falls in Older Adults
In an 88-person randomized trial, six weeks of reactive balance training improved step length and reaction time but did not reduce laboratory…
Static Stretching After Lifting Sped Early Vascular Recovery in Small Trial
In 27 active young men, 12 minutes of static stretching after upper-body resistance training was associated with faster recovery of endothelial and…
Resistance Training Muscle Hypertrophy: Type II Fibers Showed the Biggest Protein Changes
An eight-week supervised lifting study found that type II muscle fibers underwent far more protein remodeling than type I fibers, revealing new…
New VO₂ Max Framework Standardized Fitness Across Five Exercise Tests
A new framework estimated VO₂ max across treadmill, cycling, step and walking tests, offering researchers a more consistent way to compare cardiorespiratory…
3 Minutes of Sprinting Changed Nearly 25% of Blood Proteins in Study
A small human study found that six 30-second cycling sprints changed nearly one-quarter of measured blood proteins immediately after exercise.
Smartwatch Calorie Burn Accuracy Was Off by 15%–25% in FIU Study
An FIU study found smartwatch calorie-burn estimates were typically off by about 15 to 25 percent during cycling, with errors tending to…
Aerobic Exercise After Menopause Improved Executive Function in Trial
A Rutgers analysis of a randomized trial found that aerobic exercise after menopause improved executive function more than stretching and toning, with…
Marathon Air Pollution Study Links Higher NO₂ to Slower Finish Times
A new analysis of 2.7 million World Marathon Majors finishers linked higher race-day nitrogen dioxide with slower marathon times, with larger associations…
Ketogenic Diet Cut Liver Fat by 67% in Small Trial
A small randomized trial found that a ketogenic diet reduced liver fat more than Mediterranean and very-low-fat diets after matched weight loss.…
Once-Weekly Interval Walking Reduced Body Fat, Study Finds
New research found that 75 minutes of supervised interval walking in one weekly session reduced body fat and waist size in adults…
Is 2.5 Hours of Exercise Enough for Heart Health? What a Major Study Really Found
2.5 hours helps, but more exercise linked to greater heart protection.
Not All Movement Is Equal for Brain Health, Massive USC Study Suggests
USC review links leisure-time activity with lower dementia risk.