Medically reviewed by Kashif J. Piracha, MD Key Takeaways The iliopsoas muscle is the major flexor of the hip joint, made up ...

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 ...

The psoas is a large, powerful muscle that runs from the lower back to the femur (thigh bone). Lunges and other psoas stretches can help relieve tension in the psoas muscle. Share on Pinterest Tony ...

The psoas minor is a fairly modest-sized muscle that lies on the front side of the larger psoas major muscle. It acts as a weak flexor of the trunk, helping a person bend forward. The psoas minor ...

The psoas is a deep hip flexor that connects to the spine and extends down to our femur, says Kristen Lettenberger, DPT, CSCS, physical therapist at Bespoke Treatments. Its main function is to bring ...