If you're short on time but still want to build muscle, exercise scientist Mike Israetel shares a simple approach: four 30-minute workouts, adding up to just two hours total in the gym each week. With ...

As obesity rates continue to climb worldwide, experts are zeroing in on physical activity as a key tool for weight control. Regular movement doesn’t just help manage weight—it also lowers the risk of ...

The bodyweight moves packed a punch.

Only 24.2% of American adults meet the required Physical Activity Guidelines for both aerobic and muscle-strengthening activity. These guidelines recommend that, in a week, adults need: Staying fit ...