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 the vertebral column …

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 lunges, can help …

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 origin are the …

Jan 16, 2026 · Your psoas muscle is one of your hip flexors that lifts your thigh. When this muscle is too tight or weak, it can result in muscle imbalances that cause pain or hinder your ability to walk.

Jun 5, 2025 · What is the psoas muscle? The psoas muscle is technically a hip flexor muscle that connects to either side of your spine and runs all the way down your pelvis to your thigh bone, says …

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!

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 muscular …

Mar 16, 2020 · The psoas muscle may be the most important muscle in your body. Read on to find out whether you might have a psoas muscle imbalance, and how to correct it.

In your body, there are 3 significant muscles that connect your spine to your legs. These include the gluteus maximus, piriformis, and psoas muscles. The psoas muscle attaches to the vertebrae on …