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. They aid in ...

The auricular muscles helped change the shape of the shell–or pinna–of the ear and helped humans living millions of years ago listen closely. They are still used by roughly 10 to 20 percent of ...

Daily electrical stimulation of certain nerves in the spinal cord appeared to help three people with spinal muscular atrophy (SMA), an inherited disorder that causes muscles to waste away.