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11 Cards in this Set
- Front
- Back
Erector Spinae Group (in general)
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Action: Unilaterally - Laterally flex vertebral column to same side.
Bilaterally: Extend the vertebral column. Origin: Common tendon (thoracolumbar aponeurosis) that attaches to the posterior surface of sacrum, iliac crest, spinous processes of the lumbar and last two thoracic vertebrae. Insertion: Various attachments at the posterior ribs, spinous and transverse processes of thoracic and cervical vertebrae, and mastoid process of the temporal bone |
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Spinalis Thoracis (Erector Spinae Group)
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Origin: Spinous processes of the upper lumbar and lower thoracic vertebrae
Insertion: Spinous processes of upper thoracic |
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Spinalis Cervicis (Erector Spinae Group)
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Origin: Ligamentum nuchae, spinous process of C-7.
Insertion: Spinous processes of cervicals, except C-1 |
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Longissimus Thoracis (Erector Spinae Group)
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Origin: Common tendon
Insertion: Lower 9 ribs and transverse processes of thoraic vertebrae |
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Longissimus Cervicis (Erector Spinae Group)
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Origin: Transerverse processes of upper 5 thoracic vertebrae
Insertion: Transverse processes of cervical vertebrae |
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Longissimus Capitis (Erector Spinae Group)
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Origin: Transverse processes of upper 5 thoarcic vertebrae.
Insertion: Mastoid process of temportal bone |
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Iliocostalis Lumborum (Erector Spinae Group)
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Origin: Common tendon
Insertion: Transverse processes of lumbar vertebrae 1-3 and posterior surface of ribs 6-12 |
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Iliocostalis Thoracis (Erector Spinae Group)
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Origin: Posterior surface of ribs 1-12
Insertion: Posterior surface of ribs 1-6 |
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Iliocostalis Cervicis (Erector Spinae Group)
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Origin: Posterior surface of ribs 1-12
Insertion: Transverse processes of lower cervicals |
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Multifidi and Rotatores (Transversospinalis Group)
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Action: Unilaterally - Rotate the vertebral column to the opposite side.
Bilaterally: Extend the vertebral column Origin: Multifidi - Sacrum and transverse processes of lumbar through cervical vertebrae Rotatores: Transverse processes of lumbar through cervical vertebrae. Insertion: Spinous processes of lumbar vertebrae through second cervical vertebra (Multifidi spans 2-4 vertebrae, while the rotatores spans 1-4 vertebrae) |
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Semispinalis Capitis (Transversospinalis Group)
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Action: Extend the vertebral column and head
Origin: Transverse processes of thoracic vertebrae, articular processes of lower cervicals Insertion: Spinous processes of upper thoracic and cervicals (except C-1) and superior nuchal line of occiput |