In the short-term, hypertrophy training causes microtrauma to the muscle, making it break down and leading to tiny tears.

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Our bodies need protein to maintain muscle. That's important because muscle mass peaks in our 30s and then declines. In this episode, tips about understanding how much protein you really need. Hey, ...

Hilary Walker Miller struggled with fitness until she began at-home workouts. Now, over 25 years later, here's how she keeps exercise fun ...

If you’ve already scaled your workouts to match your current stress levels but still feel sore or limited, it’s time to look deeper at your soft tissue health. This includes your muscles, connective ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Whether you work out because it makes you feel good or it helps you ...

You might think you know what it feels like to have sore, tight muscles. But, sometimes, what feels like a muscle ache is actually a more complex problem — one that's related to nerves. "It's much ...

Your abdominal muscles surround your trunk between the rib cage and pelvis and keep your abdominal organs safe. Your core abdominal muscles also support your trunk and allow movements while keeping ...