My glutes are still on fire.

Every step you take during traditional cardio exercises could be slowly destroying your knees, hips, and ankles. The repetitive forward motion that defines most cardiovascular workouts creates a ...

After John Korir won the 2025 Boston Marathon, runners flocked to his Instagram to learn more about the 28-year-old’s training. Yes, there were the typical postrace photos with trophies and training ...

Korir’s moves, choreographed to music, demonstrated his ability to move with precision and rhythm – and watching these videos left us asking two questions. Why is step aerobics important to Korir, who ...

Official recommendations vs. your goals.