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bertoL
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Erector Spinae is _____ to the spine
superficoul
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Erector Spinae muscles from Medial to most later
Spinalis, Longissimus, Iliocostalis
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Erector Spinae Actions Unilaterally
Laterally flex vertebral column to the same side
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Erector Spinae Actions Bilaterally
Extend the vertebral column
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Spinalis Origin
Spinous process of the upper lumbar and lower thoracic vertebrae; Ligamentum nuchae, spinous process of C-7 (cervicis)
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Spinalis Insertion
Spinous processes of upper thoracic; Spinous processes of cervicals, EXCEPT C-1
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Longissimus origin
Common tendon (thoracic); Transverse processes of upper five thoracic vertebrae (cervicis and capitis)
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Longissismus insertion
Lower nine ribs and transverse processes of thoracic vertebrae; Transverse processes of vervical vertebrae; Mastoid process of temporal bone.
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Iliocostalis Origin
Common tendon (lumborum); Posterior surface of ribs 1-12 (Thoracic and cervicis)
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Iliocostalis Insertion
Transverse processes of lumbar vertebrae 1-3 and posterior surface of ribs 6-12 (lumborum); Posterior surface of ribs 1-6 (Thoracic); Transverse Processes of lower vervicals (cervicis)
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Transversospinalis Group
Deep to Erector Spinae group; composed of three branches
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Three branches of Transversopinalis Group
Multifidi, rotatores, and simispinalis
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Multifidi are ____accessible in the ____spine. They are the only _____with fibers that lie accross the ____surface of the ______
directly; lumbar; muscle; Posterior; sacrum
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_____ lie deep to the multifidi
Rotatores
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______ is located along thoracic and cervical vertebrae and ultimately reaches the ______
semispinalis; cranium
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Semispinalis muscles form _____ seen on posterior neck when extended against _____
speed bumps; resistance
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Multifidi and Rotatores Actions unilaterally
rotate the Vertebral column tothe opposite side
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Multifidi and Rotatores Actions Bilaterally
Extend the vertebral column
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Multifidi Origin
Sacrum and transverse processes of lumbar through cervical vertebrae
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Rotatores Origin
Transverse processes of lumbar through cervical vertebrae
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Multifidi and Rotatores Insertion
Spinous processes of lumbar vertebrae through second cervical vertebrae. (M span 2-4 vertebrae) (R span 1-2 vertebrae)
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Semispinalis Capitis Action
Extend the vertebral column and head
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Semispinalis Capitis Origin
Transverse processess of C-4 to T-5
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Semispinalis Capitis Insertion
Between the superior and inferior nuchal lines of the occiput
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______ and _____ are located along the upper back and posterior neck
Splenius capitis; Splenius cervicis
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Splenius Capitis are _____ to trapezius and rhombiods
deep
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Splenius Cervicis are deep to ______; can be outlined in the lamina groove of the upper ____ and _____ spine
Splenius Capitis; Thoarcic, cervical
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Splenius Capitis and Splenius Cervicis Action unilaterally
Rotate the head and neck to the same side; Laterally flex the head and neck to the same side.
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Splenius Capitis and Splenius Cervicis Action Bilaterally
Extend the head and neck
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Splenius Capitis Origin
Inferior one-half of ligamentum nuchae and spinous processes of C-7 to T-4
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Splenius Cervicis Action Origin
Spinous processes of T-3 to T-6
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Splenius Capitis Instertion
Mastoid process and lateral portion of superior nuchal line
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Splenius Cervicis Insertion
Transverse processes of C-1 to C-3
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____ suboccipitals are the deepest ____ of the upper posterior neck.
eight; muscles
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involved in stabilizing the axis and atlas and in creating intrinsic movements.....such as rocking, and tilting of the head.
Suboccipitals
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Rectus Capitis Posterior Major Origin
Spinous process of the axis (C-2)
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Rectus Capitis Posterior Major Insertion
Inferior nuchal line of the occiput
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Rectus Capitis Posterior Minor Origin
Tubercle of the posterior arch of the atlas (C-1)
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Rectus Capitis Posterior Minor Inseriton
Inferior nuchal line of the occiput
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Oblique Capitis Superior Origin
Transverse process of the atlas (c-1)
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Oblique Capitis Superior Insertion
Between the nuchal lines of the occiput
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Oblique Capitis Inferior Origin
Spinous process of the axis
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Oblique Capitis Inferior Insertion
Transverse process of the atlas
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Muscle that spans between the transverse processes, and are the deepest muscles in the cervical and lumbar region
Intertransversarii
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Intertransversarii Action Unilaterally
Laterally flex the vertebral column to the same side
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Intertransversarii Action Bilaterally
Extend the vertebral column
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Intertransversarii Origin and Insertion
- Cervical:
- Spanning the transverse processes of vertebrae C-2 to C-7
- Lumbar:
- Spanning the transverse processes of vertebrae L-1 to L-5
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Help extend the spine
Interspinalis
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Interspinalis Action
Extend the spine
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Interspinalis origin and Insertion
- Cervical:
- Spanning the spinous processes of C-2 to T-3
- Lumbar:
- Spanning the spinous processes of T-12 to L-5
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Finlike sheet of connective tissue that runs along the sagittal plane from the external occipital protuberance to the spinous process of C-7 in the neck
Ligamentum nuchae
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Fuction of the ligamentum nuchae is to ____
help stabilize the head and neck.
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Attachment site for muscles of the posterior neck
Ligamentum nuchae
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Long and thin the ______ extends inferiorly from the ligamentum nuchae and continues down the spine and attaches to the spinous porcesses of the thoracic and lumbar vertebrae.
Suprasinous Ligament
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Chief artery for carrying blood to the abdominal organs and lower appendages.
Abdominal aorta
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broad, flat, thick diamond shaped tendon stretching across the thorax and lumbar regions.
Thoracolumbar aponeurosis
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anchor for several muscles in the thorax and hips
aponeurosis
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