The iliopsoas (pronounced ILL-ee-o-so-AS) is the combination of the psoas and iliacus muscles (the hip flexors). They are ...

The primary hip flexors are the psoas major and iliacus, which are collectively known as the iliopsoas. The psoas muscle originates in the lower six vertebrae of the spine, while the iliacus ...

Hip flexor tear means the muscle has torn. A hip flexor tear can happen suddenly, through direct injury, or with chronic overuse. Psoas syndrome describes injury to one of the hip flexor muscles ...