2023年10月30日 · The psoas minor is an inconsistent muscle, found only in a certain part of the population. When present, it acts on the lumbar spine to produce a weak flexion of the trunk. This article will cover the anatomy and function of the psoas minor muscle.

The psoas minor muscle originates from the vertical fascicles inserted on the last thoracic and first lumbar vertebrae. From there, it passes down onto the medial border of the psoas major, and is inserted to the innominate line and the iliopectineal eminence.

Psoas minor syndrome is caused by a tense muscle and tendon and presents as chronic lower back pain. Symptoms of this syndrome include localized pain at the iliac fossa that is worsened with palpation.

2023年1月5日 · The psoas minor is a muscle of the posterior abdominal wall. It is a long thin muscle, located anterior to the psoas major. It is only present in 60% of the population.

The psoas muscle is a long, ribbon-shaped muscle in your back. It starts at your lower back and runs through your pelvis to the top of your femur (thigh bone). Psoas injuries are rare, but visit a healthcare provider if you’re experiencing lower back pain that doesn’t get better after a week.

2022年12月15日 · Psoas minor muscle is a thin muscle with a long tendon lying on the anterior aspect of the psoas major muscle. It is located deep within the posterior abdominopelvic wall. The psoas minor is functionally insignificant compared to psoas major. It is present in ~60% (range 50-67%) of the population 1-2. Summary

Interactive 3D model of the psoas minor muscle with information on its origin, insertion, action, innervation, and blood supply.