Your sleeping position affects spinal alignment, muscle tension, and nerve compression throughout the night. Poor alignment ...

The psoas (pronounced so-ezz) muscles are two large muscles in your lower back ... Images) Your psoas muscles are long — up to 16 inches. They extend from each side of your lower spine, down ...

(Photo Credit: E+/Getty Images) The most common ... the joint at the base of the spine, connecting to the pelvis, doesn't move properly, causing pain in the lower back, hip, or upper leg.

Throwing your back out is often caused by stiffness in the upper spine. Here’s how to prevent future pain. Throwing your back out is often caused by stiffness in the upper spine. Here’s how to ...