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 ...

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 ...

Menopause, hormones. Do women actually need special workout rules? Lauren Colenso-Semple, PhD, explains what the science ...

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 ...

Researchers engineered mice with a mutation (E3896A) in the RyR1 calcium-binding site, eliminating calcium-induced calcium release (CICR) without affecting depolarization-induced calcium release. The ...

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 ...

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

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 ...

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 ...

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, ...