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Spinalis Thoracis
Region: Back Muscles · All back muscles
Spinalis Thoracis at a glance
| Origin | Spinous processes of T11–L2 (blending with longissimus) |
|---|---|
| Insertion | Spinous processes of T4–T8 |
| Actions | Extends the thoracic spine |
| Nerve supply | Dorsal rami of spinal nerves |
More Back Muscles
Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.