Piriformis Muscle Anatomy

In this article we will discuss the anatomy of piriformis as well as its neurovascular supply and function. Gemellus superior obturator internus gemellus inferior quadratus femoris obturator externus.

Science Of Massage Institute Piriformis Muscle Syndrome

The common symptoms are buttock and leg pain.

Piriformis muscle anatomy. The muscle attaches onto the anterior sacrum that is on the inside of the pelvic bowl. In addition we discuss the clinical relevance of the muscle. It is usually due to an abnormal condition of the piriformis muscle such as hypertrophy inflammation or anatomic variations caused by various conditions 3 7.

The piriformis gets its name from the latin word for pear shape although most doctors tend to describe it as triangular. Piriformis syndrome is a reported cause of lower back pain and sciatica secondary to sciatic nerve entrapment in piriformis muscle at the greater sciatic notch 12. The anatomy of the piriformis muscle.

As shown in the figures from the fami ipad app series. The piriformis is a flat pyramid shaped muscle that lies parallel to in line with the gluteus medius muscles back margin and underneath the gluteus maximus muscle in the hip area. The muscle passes through the greater sciatic foramen a space in the pelvic bones on each side of the center and to the upper part.

The latin name for the piriformis muscle is musculus piriformis. It was first named by adriaan van den spiegel a professor from the university of padua in the 16th century. It is one of the six muscles in the lateral rotator group.

Anatomy of an injury. Piriformis is translated as pear shaped muscle. The piriformis from latin piriformis meaning pear shaped is a muscle in the gluteal region of the lower limb.

Piriformis belongs to a group of six short external rotators of the hip ie. The piriformis muscle is a small but powerful soft tissue in the deep buttocks anatomy which is responsible for specific hip and leg movements. When working with any injury it is important to note.

The word piriformis comes from the latin words pirum meaning pear and forma meaning form or shape.

Piriformis Syndrome Local Physio