Rotatores muscles

Rotatores muscles are a group of small muscles found in the human body, specifically in the spinal column. They are part of the deep layer of the intrinsic muscles of the back. The term "rotatores" comes from the Latin word "rotare", which means "to rotate". This is due to the role these muscles play in the rotation of the spine.

Etymology

The term "rotatores" is derived from the Latin word "rotare", which translates to "to rotate". This name is fitting as these muscles are involved in the rotation of the vertebrae in the spine.

Anatomy

The rotatores muscles are located in the deep layer of the intrinsic muscles of the back. They are the most deeply seated muscles in this layer. Each muscle spans one to two vertebrae, running obliquely from the transverse process of a vertebra to the spinous process of the vertebra above or two vertebrae above.

There are two types of rotatores muscles: rotatores longi and rotatores brevis. The rotatores longi span two vertebrae, while the rotatores brevis span one vertebra.

Function

The primary function of the rotatores muscles is to aid in the rotation of the spine. They also assist in the extension of the vertebral column. Additionally, these muscles play a role in proprioception, the body's ability to sense its location, movements, and actions.

Clinical Significance

Dysfunction or injury to the rotatores muscles can lead to back pain and limited mobility. They may be affected by conditions such as muscle strain, herniated disc, or spinal stenosis. Treatment for issues related to the rotatores muscles may include physical therapy, medication, or in severe cases, surgery.

Related Terms

• Spinal column
• Vertebrae
• Intrinsic muscles
• Muscle strain
• Herniated disc
• Spinal stenosis

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