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

The psoas is an important ribbon-shaped muscle that runs from your lower lumbar spine (the lower back) to the top of the femur (thigh bone), explains Jim White, R.D.N., A.C.S.M. Ex-P, owner of Jim ...

The exercises listed below may help relieve tailbone pain. »Learn more:Causes of tailbone pain. This stretches the piriformis of the bent leg and the iliopsoas of the straight leg, which can ...

But when these muscles are tight, they can impact your performance and even increase risk of injury. ‘The iliopsoas is the strongest group of muscles in the hip flexors. It connects the spine to ...

“The major muscles runners can feel and want to strengthen are the iliacus and the psoas major, often referred to together as the iliopsoas,” Coviello says. “They’re responsible for ...

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) ...