Deep muscles of the back (semispinalis dorsi visible at center left).
|Latin||Musculus semispinalis thoracis, musculus semispinalis dorsi|
|Origin||Transverse processes of the sixth to the tenth thoracic vertebrae|
|Insertion||Spinous processes of the upper four thoracic and lower two cervical vertebrae|
|Anatomical terms of muscle|
The semispinalis dorsi (or semispinalis thoracis) consists of thin, narrow, fleshy fasciculi, interposed between tendons of considerable length.
It arises by a series of small tendons from the transverse processes of the sixth to the tenth thoracic vertebrae, and is inserted, by tendons, into the spinous processes of the upper four thoracic and lower two cervical vertebrae.
- Image at ithaca.edu
- Semispinalis_thoracis at the Duke University Health System's Orthopedics program
- Cross section image: pembody/body8a - Plastination Laboratory at the Medical University of Vienna
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