Bear crawls engage the core muscles intensely, improving stability and balance. As you move on all fours, your abs and lower back work together to keep your body steady. This constant engagement ...

The recommendation to get at least 150 minutes of moderate-intensity cardio exercise weekly remains a cornerstone of health advice. Yet nearly 80% of Americans fail to meet these guidelines, often ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. January 12, 2026 Add ...

Here’s how to get the most out of your workouts.