Tight hip flexors, especially a deep muscle called the psoas, can silently stress your spine. Here's why this muscle deserves ...

While there are a variety of moves that can help address certain issues (like lower back pain), a psoas stretch may be what you need. The psoas is an important ribbon-shaped muscle that runs from ...

The iliopsoas comprises the joined iliacus and psoas muscles ... This stretch lengthens the spine, easing lower back pain and targeting hip muscles in addition to muscles in the pelvic floor.

uq.edu.au Objective In this study, asymmetry relative to the preferred kicking leg was determined if it exists for the psoas and quadratus lumborum muscles among elite Australian Football League (AFL) ...