What Is the Psoas Muscle? The psoas (pronounced so-ezz) muscles are two large muscles in your lower back. You have one on either side of your spine. They're the main muscular connection between your ...

When it comes to setting fitness goals, most people are content simply to work to see a six-pack appear where before there was only a smooth, round belly. But some guys aspire to more—they want the ...

For decades, people have looked to Arnold Schwarzenegger's body as a symbol of strength and resilience. But as a new documentary reveals, the five-time Mr. Universe champion never thought it was good ...