Tight hip flexors, especially a deep muscle called the psoas, can silently stress your spine. Here's why this muscle deserves more attention—and how to strengthen it. Lower back pain is often blamed ...

(HealthDay) -- In patients with lumbarized sacra, a lateral transpsoas surgical approach to the L5-6 disc space can be managed with appropriate preoperative planning, including axial magnetic ...

The psoas major is a lengthy fusiform (or ‘spindle-shaped’) muscle that can be found on the side of the lumbar region of the vertebral column. It is also adjacent to the brim of the lesser pelvis area ...