The symptoms associated with this ... These studies showed an 8-x 4-cm abscess in the right psoas muscle and an area of ... or abdominal pain. Onset is usually subacute, and symptoms are ...

Tucked deep in your hips and lower back, the psoas muscle won't get you any compliments at the beach—but keeping it strong and flexible is crucial to keeping your body feeling good.

Pain and tightness in the psoas muscle are unfortunately very common and have a number of causes. Aside from injury or trauma to the hips or lower back, ...