The psoas muscle is a long muscle deep in your core. There’s one on either side of your spine. They help you maintain your posture and move your hips and upper legs.

The psoas major (/ ˈsoʊ.əs / or / ˈsoʊ.æs /; from Ancient Greek: ψόᾱ, romanized: psóā, lit. 'muscles of the loins') is a long fusiform muscle located in the lateral lumbar region between …

Nov 4, 2025 · The psoas muscle is deep in the body, connecting the spine to the pelvis, and it can cause pain when tight or weak. Stretching and strengthening exercises, like leg raises and …

Oct 22, 2024 · What Is the Psoas Muscle? The psoas (pronounced so -ezz) muscles are two large muscles in your lower back. You have one on either side of your spine. They're the main …

Sep 19, 2023 · Psoas major is an inner hip muscle that works with iliacus to flex and laterally rotate the thigh. Learn more about its anatomy and functions at Kenhub!

May 26, 2025 · Psoas major is one of the largest muscles in the lower back. It originates from several tendinous bands that attach to the sides of the lumbar spine. The primary points of …

The psoas muscle is among the most significant muscles that overlie the vertebral column. It is a long fusiform muscle on either side of the vertebral column and the brim of the lesser pelvis. At …

Explore the psoas major muscle's origin, insertion, actions, and arterial supply. Learn about its key features, anatomical relations, and clinical correlates.

Oct 29, 2024 · An exploration of the psoas major and iliacus muscles. Learn about iliopsoas function, dysfunction, and when to stretch or strengthen.

Oct 14, 2025 · 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 …