Calf Training That Works: Why Calves Are Hard to Grow
Calves need a deep stretch, both heads trained, and more frequency than most muscles. Here is what works, and what genetics decide for you.
Chris Pruitt
Chris Pruitt is a certified ASFA personal trainer and the founder of WorkoutHealthy, a fitness equipment retailer serving customers since 2007. He has more than 16 years in the fitness business, and he writes and fact checks everything published on Insider.
Is Your Training Program Complete? A 7 Point Audit
Most free programs give you an exercise list and stop. Run this seven point audit on whatever you are following and find the parts that are missing.
How to Gain Muscle When You Are Naturally Skinny
If you are naturally lean and not gaining, the problem is almost always calories and weekly hard sets. Here is the honest math and a realistic monthly gain table.
Deadlifting After 50: How to Load a Hip Hinge Safely
Most adults over 50 can deadlift. Here is what the research shows, how to pick a hinge variation, how to progress, and when to change or skip the lift.
Exercise, Flu, and Pneumonia Risk: What the Study Found
A large U.S. cohort linked regular aerobic and strength activity with lower influenza-and-pneumonia mortality. See the result and its limits.
Walking and the Gut Microbiome: What Studies Show
Walking may influence the gut microbiome, but the human evidence is mixed. See what trials found and use a practical walking-and-fiber plan.
Jo Whiley on Training With Arthritis
Jo Whiley has described adapting exercise around arthritis. Learn a joint-friendly strength template and a practical 24-hour response check.
Sarah Michelle Gellar’s Streaming Workout Strategy
Sarah Michelle Gellar uses studio, outdoor, and streaming workouts. Her adaptable approach becomes a practical four-lane plan for home and travel.
Liver King’s Carnivore Pivot: What It Really Means
Liver King backed away from strict carnivore claims. Here is what the pivot does and does not mean, plus a four-part filter for extreme diet advice.
Box Breathing for Stress: What It Does, What It Doesn’t, and How to Start
Box breathing is a simple four-part practice with promising stress research. Learn the evidence, a gentle starting method, and when to stop.