Gemellus muscle

Gemellus Muscle

The Gemellus muscles, as illustrated in Gray's Anatomy.

The Gemellus muscle is a set of two small muscles in the human body, specifically located in the hip joint. These muscles are known as the Gemellus superior and the Gemellus inferior. They are part of the lateral rotator group of muscles, which assist in the rotation of the hip.

Structure

The Gemellus superior originates from the outer surface of the spine of the Ischium, while the Gemellus inferior originates from the upper part of the Ischial tuberosity. Both muscles insert into the obturator internus tendon, and are innervated by the nerve to obturator internus.

Function

The primary function of the Gemellus muscles is to assist in the lateral rotation of the hip joint. They also help to stabilize the hip joint during movements.

Clinical significance

Due to their location and function, the Gemellus muscles can be involved in certain medical conditions, such as Piriformis syndrome, which can cause pain and discomfort in the hip and lower back.

See also

• List of muscles of the human body
• Hip muscles
• Lateral rotator group

External links

• AnatomyExpert.com: Gemellus muscles

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