spinalis thoracis (spinalis dorsi)
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Origin
spinous processes of upper lumbar vertebrae & T11-T12
Insertion
spinous process of middle & upper thoracic vertebrae
Action
supports & extends cervical spine
Innervation
- dorsal rami of thoracic & upper lumbar spinal nerves
More general terms
References
- ↑ Stedman's Medical Dictionary 26th ed, Williams & Wilkins, Baltimore, 1995