Fitness Training Guides
Strength training, workout programs, and progressive overload explained. Build muscle, get stronger, and reach your fitness goals.
Latest articles (24)
Lifting Plus Cardio: The Combo That Cuts Mortality Risk the Most
Harvard's 30-year study shows combining strength training and cardio cuts mortality risk more than either alone. Here's the science and a practical weekly plan.
How Long Should Your Workout Actually Be?
Your ideal workout length depends on your goal, training age, and intensity. Here's what science actually says about session duration and weekly volume.
Free Weights vs Bands vs Bodyweight: What Actually Works
A 2026 study found that mixing free weights, bands, and bodyweight over 12 weeks improved strength, balance, and flexibility far better than any single approach.
3 Seconds a Day Can Actually Build Muscle Strength
A single 3-second eccentric contraction per day, five days a week, increased muscle strength by over 10% in four weeks. Here's what that means for you.
What Military Fitness Standards Teach Civilian Lifters
The US Air Force's 2026 fitness overhaul prioritizes functional capacity over peak strength. Here's what civilian lifters can take directly from that shift.
Strength Training Over 50: What Changes and How to Adapt Your Training
After 50, sarcopenia accelerates and recovery takes longer. This guide covers what actually changes in resistance training and how to adapt your program to keep progressing.
GLP-1 and Exercise: How to Train on Ozempic Without Losing Muscle
GLP-1 drugs (Ozempic, Wegovy) cause rapid weight loss — but without resistance training, 25-40% of that loss comes from muscle. How to train to preserve lean mass on GLP-1s.
90 minutes of strength training per week for a longer life: the 147,000-person study
A 30-year study of 147,000 people finds 90-120 minutes of weekly strength training is the sweet spot for longevity benefits. What the data shows and why it changes how you should think about training.
How Many Lifting Sessions Do You Actually Need Per Week?
Harvard research points to 90–120 minutes of weekly lifting as the longevity sweet spot. Here's how to turn that into a real, schedulable training week.
Harvard Found the Strength Training Sweet Spot for a Longer Life
A Harvard study of 147,000 adults over 30 years found that 90–120 minutes of weekly strength training cuts premature death risk by 13%, with bigger gains when paired with cardio.
Creatine and Depression: What the New Systematic Review Found
A systematic review in Brain Medicine links creatine monohydrate to reduced depression symptoms. Here's what gym-goers already using it need to know.
Can 30 Seconds of Exercise Actually Make a Difference?
Exercise snacks of 30 seconds to a few minutes, done at high intensity throughout the day, produce real strength gains. Here's what the science shows.
Scientists Figured Out Why Exercise Reverses Muscle Aging
Scientists identified the exact cellular mechanism by which resistance training reverses muscle aging, with direct implications for how people over 40 should train.
Training Your Back and Chest May Protect Your Heart
A new study links back and chest training to measurable cardiac protection, offering lifters a science-backed reason beyond aesthetics to prioritize these muscle groups.
The One Workout That Burns Fat Without Losing Muscle
New research confirms progressive resistance training is the most effective method for older adults to lose fat while preserving lean muscle mass. Here's what that means for your program.
The Training Signal #28: ACSM Just Rewrote the Rules on Resistance Training
ACSM just released its first updated resistance training guidelines since 2009 — synthesizing 137 reviews and 30,000 participants. The central finding is counterintuitive: going from zero to any resistance training produces the biggest gain.
Training After 40: The Complete Science-Backed Guide
New research on aging fat biology and muscle physiology shows why training after 40 requires a completely different strategy than younger-adult fitness programs.
Your Stem Cells Are Making You Fat. Here's the Gym Fix
New stem cell research reveals why belly fat grows despite effort. Here's why metabolic resistance training is now a biological necessity, not a preference.
90 Minutes of Strength Training Per Week Is the Sweet Spot, Science Says
A June 2026 study pinpoints 90-119 minutes of strength training per week as the optimal dose — that's 13-17 minutes a day to reduce mortality risk by 13% and cardiovascular risk by 19%.
CrossFit: Sport or Identity Machine? What Research Says
New research argues CrossFit manufactures identity through language and community mechanics, not just fitness. Here's what that means for your training choices.
Why You Gain Belly Fat as You Age: Scientists Found the Trigger
Scientists identified aging-activated stem cells that directly increase belly fat production, explaining why abdominal weight gain after 40 requires a different strategy entirely.
Heavy Loads vs High Volume: What Science Says About Muscle Growth
A meta-analysis of 28 studies confirms muscle growth is independent of load when effort reaches failure, but weekly volume remains the primary driver of hypertrophy.
What the Science Really Says: 90 Min of Lifting Per Week
Gym Sign-Ups Are Slowing Down: What Members Actually Want Now
US gym sign-ups are slowing and cancellations are rising in 2026. ABC Fitness data shows why, and what members actually want from the experience.