The rotatores are a set of deep muscles of the back. They are part of the transversospinales muscle group, and are most prominent in the thoracic region. Attachments: Originates from the vertebral transverse processes. The fibres ascend and attach to the lamina and spinous processes of the vertebrae above. Actions: Contributes to extension and rotation of the vertebral column. Also stabilises the vertebrae and had a proprioceptive function. Innervation: Posterior rami of the spinal nerves Blood Supply: Dorsal branches of posterior intercostal and lumbar arteries. Adobe Stock, Licensed to TeachMeSeries Ltd Fig 1The rotatores muscle group of the back. Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Print Article Rate This Article