Skeletal muscle is pivotal not only for movement but also for systemic metabolic regulation. Its physiology encompasses intricate networks of contractile machinery, mitochondrial dynamics, and ...

Imagine you've just completed a tough upper-body workout. Your muscles feel a bit tired, but all in all you're able to go about the rest of your day just fine. The next morning, you wake up and ...

Don't toss out your protein powder just yet. A recent report about lead levels in protein supplements sparked unnecessary alarm about a product that an increasing number of Americans are using to meet ...

The idea that women need different workouts than men usually hinges on one thing: hormones, especially testosterone. That has ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Exercise builds muscle—we just don’t really know why. It might ...

The sarcoplasmic reticulum (SR) is a specialised organelle in skeletal muscle fibres that plays a pivotal role in regulating calcium dynamics crucial for muscle contraction and relaxation. Acting as ...

You don’t start from zero after taking time off. Here’s why your body bounces back. Ever taken a long break from the gym, whether because of an injury, burnout, or just life, and found that your body ...

When you're running up stairs or out on a jog, your muscles eventually start to feel heavy and weak. That's fatigue setting ...

Many influencers claim the vests are an essential tool for preserving bone density and muscle mass as you age. Here’s what we know about their effectiveness. By Danielle Friedman In the past year, ...

To understand what causes muscle fatigue, it’s worth looking at what exactly muscle fatigue is. If you exercise regularly, you may be familiar with the sensation of a dull ache in your muscles or ...