The flow of water within a muscle fiber may dictate how quickly muscle can contract, according to a new study. The flow of water within a muscle fiber may dictate how quickly muscle can contract, ...

Discover how isometric exercise reduces pain, accelerates post-surgical recovery, and enhances performance. Learn the science and practical ways to add isometrics to your training today.

Discover the real differences between eccentric and concentric training. Learn the science, benefits, and practical tips for ...

Researchers engineered mice with a mutation (E3896A) in the RyR1 calcium-binding site, eliminating calcium-induced calcium ...

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 ...

Squeezing in a solid workout can be a challenge for time-poor fitness enthusiasts, but lately we’re seeing exercise scientists really drill into what the most efficient workouts might look like. A ...

Much like their name implies, the quadricep muscles were once thought to be a set of four muscles, with the name “quad” translating to “four or fourth” in Latin. However, it has since been discovered ...

Your muscles aren’t just for lifting heavy objects and looking good in photos—they’re actually functioning as a sophisticated chemical factory that produces brain-boosting compounds essential for ...

A new study provides evidence that COVID-19 patients' heart damage is caused by the virus invading and replicating inside heart muscle cells, leading to cell death and interfering with heart muscle ...