Voluntary muscles, also known as skeletal muscles, are muscles that can be consciously controlled, such as the muscles of your limbs, head, neck, and body. They are attached to bones and respond to ...

Humans actually have vestigial muscles that activate when listening closely to something, even though people lost the ability ...

Summary: Humans have vestigial ear muscles that once helped our ancestors focus on sounds. New research shows these muscles still activate when we strain to hear in noisy environments. Scientists used ...

Vestigial human ear muscles react to sounds even if the external ear does not move. This could be used to build better earing aids.

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 ...

Intercostal muscle strains are the most common type of musculoskeletal chest pain. The intercostal muscles are thin muscles that attach between the ribs. During breathing, the external intercostals ...