There are over 600 muscles in your body. They make up over 40 percent of your weight and function in several different capacities. Several thousand small fibers make up every muscle.

All muscles in the human body fit into one of three types or categories: "skeletal, smooth, and cardiac," explains Eric Hegedus, PT, PhD, a professor of rehabilitation sciences at Tufts University ...

Find out about back muscles, including their types and functions. Learn about the symptoms of back injury and how to strengthen your back muscles. Skip to main content ...

During exercise, different sets of muscles contract to actively force out air and speed up respiration. Breathing requires coordinated movements of the diaphragm and intercostal muscles.

The auricular muscles appear to activate when humans are trying to listen to competing sounds, not just when wiggling the ears. The findings are detailed in a study published January 31 in the ...

"People are always like, 'Oh, you've got muscles, therefore you must be fit.' I can tell you, for free, they're for decorative purposes at best," an influencer said in a TikTok with nearly 200,000 ...

People with pockets of fat hidden inside their muscles are at a higher risk of dying or being hospitalised from a heart attack or heart failure, regardless of their body mass index, according to ...