Transversospinales
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| Transversospinales | |
|---|---|
| Lua error in package.lua at line 80: module 'Module:InfoboxImage/data' not found. Section of the neck at about the level of the sixth cervical vertebra. Showing the arrangement of the fascia coli. | |
| Lua error in package.lua at line 80: module 'Module:InfoboxImage/data' not found. The transversospinalis set of muscles; right side, posterolateral view. C1, First cervical vertebra — 2, D1, First thoracic vertebra — L1, First lumbar vertebra. (After Testut's Anatomy.) | |
| Details | |
| Origin | Transverse process |
| Insertion | Spinous process |
| Nerve | Posterior ramus of spinal nerve |
| Actions | Extend vertebral column (bilateral contraction); rotate vertebral column (unilateral contraction) |
| Identifiers | |
| Latin | musculi transversospinales |
| Anatomical terms of muscle | |
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The transversospinales are a group of muscles of the human back. Their combined action is rotation and extension of the vertebral column. These muscles are small and have a poor mechanical advantage for contributing to motion. They include: the three semispinalis muscles, the multifidus muscle, and the rotatores spinae muscles.
Location
The three semispinalis muscles, span 4-6 vertebral segments:
- semispinalis thoracis
- semispinalis cervicis
- semispinalis capitis
The multifidus muscle, and spans 2-4 vertebral segments
The rotatores muscles, lie beneath the multifidus, and spans 1-2 vertebral segments
- rotatores cervicis
- rotatores thoracis
- rotatores lumborum
External links
- Musculoskeletal Interventions: Techniques for Therapeutic exercise. Authors: Michael L. Voight, Barabara J. Hoogenboom, William E. Prentice.
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