Most people notice muscle loss only when clothes start to feel loose or daily tasks feel harder. It is often blamed on age, ...

The ability to move a weight with force may be a better predictor of mortality risk than how much weight you can move overall. A beneficial tweak for exercise Rx?

Let’s get one thing straight: Muscle is muscle. Despite what many fitness influencers may have you believe, there’s no such thing as "lean muscle" or "bulk muscle." It’s all made from the same stuff.

Myasthenia gravis (MG) is a chronic autoimmune neuromuscular condition that causes muscle weakness and severe fatigue. The fatigue associated with MG is often described as fatigable weakness, meaning ...

Researchers Sumika Kato, Takeo Kubo, and Taro Fukazawa of the University of Tokyo have discovered that c1qtnf3, a secreting factor, namely a protein molecule that is secreted by a cell and influences ...