Discover the three main types of muscle in the human body and their distinct functions.

Your body type influences your metabolism and health risks. Having an apple- or pear-shaped body can affect your risk of metabolic syndrome. Body types often change as you get older and lose muscle ...

The human body is a wonderous thing, especially when you consider how intricate and efficient each bodily system is. For instance, an adult’s blood vessels could encircle the earth 2.5 times if ...

Here’s why some muscle groups respond faster (or slower) to strength training—and what you can do about it.

Everyone is familiar, at least hand-wavingly, with the distinction between slow-twitch and fast-twitch muscle-fiber types. The former are great for running marathons; the latter are ideal for ...