What Is the Body’s Core? Your body’s core is the term used for the group of muscles within your midsection that stabilize your spine and pelvis. Several muscles and groups of muscles make up the core ...

Whether you want to achieve or avoid a muscular look, you should know how muscle changes your body for the better. Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health ...

Strength training should be a staple of any fitness routine. In addition to increasing muscle strength and mass, regular strength training helps maintain strong bones, improve balance and offers ...