In TODAY.com's Never Have I Ever series, an expert reminds us that when we don't use our muscles, we lose them.

VO2 max measures your body’s maximum oxygen use and relates to longevity and health. Army’s H2F system uses HIIT to improve VO2 max and overall health. Consistent HIIT, 2–3 times weekly, improves VO2 ...

At 78, Arnie has been lifting weights for over 60 years – starting at 15-years-old – and in a world of science-based trainers and fitness creators with six-figure subscriber bases, he's still regarded ...

During a training session at Pure Muscle Fitness in Toronto, natural bodybuilder and science-based coach Jeff Nippard joins ...

Fitness Pro Superhuman Troy applies elite bodybuilding secrets to chest training for faster and more dramatic pec growth.

Having good genes might be a shortcut to a nice physique – but they're not everything. Here's what you need to know.

Eugen Sandow built a global wellness brand around his chiseled physique. Then World War I derailed his career.

Classic Physique bodybuilder Sam Sulek walked through his final workout in the lead-up to his Pro debut at the 2026 Arnold ...

Men's Open bodybuilder Martin Fitzwater smoked an intense chest workout just three days from the 2026 Arnold Classic, set for ...