Your lower esophageal sphincter (LES) is a muscular ring that connects your esophagus with your stomach. It relaxes to let food pass through but otherwise stays closed to prevent stomach acid from ...

Denise Austin shared three moves to strengthen arms. They can be done in just a few minutes without hitting the gym. We’re breaking down each exercise so you can do it at home. When it comes to ...

Maintaining motivation is key to making an exercise routine stick for years, but most people struggle to find what truly motivates them — after all, most New Year's resolutions are abandoned by the ...

Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports, and is the author of the book “Practical Solutions for Back ...

Every year, I climb to the top of Everest. It’s no big deal. I take it one step at a time, 80,000 steps per year. By the time Dec. 31 arrives, I calculated, I have ascended at least seven vertical ...

If your shoulder workouts have begun to feel more like maintenance sessions, with few results to show for your endless reps, it might be time to change things up. Despite the dizzying list of shoulder ...

Stiff, achy hips got you down? We’ve been there. Whether you’ve just come back from a running break, are tackling new distances, or have upped your intensity, runners of all levels experience tight ...

Lately, my core routine has felt staler than week-old sourdough bread. Sure, classic moves like crunches, Russian twists, and planks are great (and effective!), but in order to reap the gains of ...

This story is adapted from Life Kit's Guide to Building Strength, a five-day email series. Sign up for the special newsletter here. There are innumerable ways to shape a workout routine for building ...

Have you ever felt that mental boost that comes after a session at the gym, an exercise class, or a walk around your neighborhood? A large and growing body of evidence finds that exercise may relieve ...

Machine learning is an essential component of artificial intelligence. Whether it’s powering recommendation engines, fraud detection systems, self-driving cars, generative AI, or any of the countless ...