Intertransversarii

Intertransversarii are a group of small muscles located between the transverse processes of the vertebrae. They are part of the deep muscles of the back and contribute to the stability and movement of the spine.

Anatomy

The Intertransversarii are divided into two sets: the Intertransversarii laterales (lateral intertransversarii) and the Intertransversarii mediales (medial intertransversarii).

The Intertransversarii laterales are located in the cervical and lumbar regions. They extend from the transverse process of one vertebra to the transverse process of the vertebra immediately above it.

The Intertransversarii mediales are found in the thoracic region. They extend from the transverse process of one vertebra to the transverse process of the vertebra immediately below it.

Function

The Intertransversarii muscles function to stabilize the spine and assist in lateral flexion (side bending) and slight rotation of the vertebral column. They work together with other muscles of the back, such as the multifidus and rotatores, to control movement and maintain posture.

Clinical significance

Due to their deep location and small size, the Intertransversarii are not commonly injured. However, they can be affected by conditions that impact the spine, such as spondylosis and herniated disc. In such cases, physical therapy may be beneficial to strengthen these muscles and improve spinal stability.

See also

• Vertebral column
• Muscles of the back
• Deep muscles of the back

References

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