Spine and Thorax Flashcards
Erector Spinae Group Action Unilaterally
Laterally flex vertebral column to the same side
Erector Spinae Groups Action Bilaterally
Extend the vertebral column
Erector Spinae Group Origin
Common tendon (thoracolumbar fascia) that attaches to the posterior surface of sacrum, iliac crest, spinous processes of the lumbar and las two thoracic vertebrae.
Erector Spinae Group Insertion
Various attachments at the posterior ribs, spinous and transverse processes of thoracic and cervical vertebrae and mastoid process of temporal bone
Spinalis Origin
Spinous processes of the upper lumbar and lower thoracic vertebrae (thoracis). Ligamentum nuchae, spinous process of C-7 (cervicis)
Spinalis Insertion
Spinous processes of upper thoracic (thoracis)
Spinous processes of cervicals, except C-1 (cervicis)
Longissimus Origin
Common tendon (thoracis). Transverse processes of upper five thoracic vertebrae (cervicis and capitis)
Longissimus Insertion
Lower nine ribs and transverse processes of thoracic vertebrae (thoracis). Transverse processes of cervical vertebrae (cervicis). Mastoid processes of temporal bone (capitis)
Ilicostalis Origin
Common tendon (lumborum). Posterior surface of ribs 1-12 (thoracis and cervicis)
Ilicostalis Insertion
Transverse processes of lumbar vertebrae 1-3 and posterior surface of ribs 6-12 (lumborum). Posterior surface of ribs 1-6 (thoracis). Transverse processes of lower cervicals (cervicis)
Multifidi and Rotatores Action Unilaterally
Rotate the vertebral column to the opposite side
Multifidi and Rotatores Action Bilaterally
Extend the vertebral column
Multifidi Origin
Sacrum and transverse processes of lumbar through cervical vertebrae
Rotatores Origin
Transverse processes of lumbar through cervical vertebrae
Multifidi and Rotatores Insertion
Spinous processes of lumbar vertebrae through second cervical vertebrae. (Multifidi span two to four vertebrae) (Rotatores span one to two vertebrae)
Semispinalis Capitis Action
Extend the vertebral column and head
Semispinalis Capitis Origin
Transverse processes of C-4 to T-5
Semispinalis Capitis Insertion
Between the superior and inferior nuchal lines of occiput
Splenius Capitis and Cervicis Action Unilaterally
Rotate head and neck to same side, laterally flex head and neck to same side
Splenius Capitis and Cervicis Action Bilaterally
Extend neck and head
Splenius Capitis Origin
Inferior one-half of ligamentum nuchae and spinous processes of C7-T4.
Splenius Cervicis Origin
Spinous processes T-3 to T-6
Splenius Capitis Insertion
Mastoid process and lateral portion of superior nuchal line
Splenius Cervicis Insertion
Transverse processes of C-1 to C-3
Rectus Capitis Posterior Major Action
Rock and tilt the head back into extension, Rotate the head to the same side
Rectus Capitis Posterior Major Origin
Spinous process of the axis (C-2)
Rectus Capitis Posterior Major Insertion
Inferior nuchal line of the occiput
Rectus Capitis Posterior Minor Action
Rock and tilt the head back into extension
Rectus Capitis Posterior Minor Origin
Tubercle of the posterior arch of the atlas (C-1)
Rectus Capitis Posterior Minor Insertion
Inferior nuchal line of the occiput
Oblique Capitis Superior Action
Rock and tilt the head back into extension, Laterally flex head to the same side
Oblique Captis Superior Origin
Transverse process of the atlas (C-1)
Oblique Captis Superior Insertion
Between the nuchal lines of the occiput
Oblique Captis Inferior Action
Rotate the head to the same side
Oblique Captis Inferior Origin
Spinous process of the axis (C-2)
Oblique Captis Inferior Insertion
Transverse process of the atlas (C-1)
Quadratus Lumborum Action Unilaterally
Laterally tilt (elevate) the pelvis. Laterally flex the vertebral column to the same side
Quadratus Lumborum Action Bilaterally
Fix the last rib during forced inhalation and exhalation
Quadratus Lumborum Origin
Posterior iliac crest
Quadratus Lumborum Insertion
Last rib and transverse processes of first through fourth lumbar vertebrae
Rectus Abdominis Action
Flex the vertebral column, Tilt pelvis posteriorly
Rectus Abdominis Origin
Pubic crest, pubic symphysis
Rectus Abdominis Insertion
Cartilage of fifth, sixth, and seventh ribs and xiphoid process
External Oblique Action Unilaterally
Laterally flex vertebral column to the same side, Rotate vertebral column to opposite side
External Oblique Action Bilaterally
Flex the vertebral column, compress abdominal contents
External Oblique Origin
External surfaces of fifth to twelfth ribs
External Oblique Insertion
Anterior part of the iliac crest, rectus sheath to linea alba
Internal Oblique Action Unilaterally
Laterally flex vertebral column to the same side, Rotate vertebral column to the same side
Internal Oblique Action Bilaterally
Flex the vertebral column, Compress abdominal contents
Internal Oblique Origin
Lateral inguinal ligament, iliac crest and thoracolumbar fascia
Internal Oblique Insertion
Internal surface of lower three ribs, rectus sheath to linea alba
Transverse Abdominis Action
Compress abdominal contents
Transverse Abdominis Origin
Lateral inguinal ligament, iliac crest, thoracolumbar fascia and internal surface of lower six ribs
Transverse Abdominis Insertion
Rectus sheath to linea alba
Diaphragm Action
Draw down the central tendon of the diaphragm, increase the volume of the thoracic cavity during inhalation
Diaphragm Origin Costal attachment
Inner surface of lower six ribs
Diaphragm Origin Lumbar attachment
Upper two or three lumbar vertebrae
Diaphragm Origin Sternal attachment
Inner part of xiphoid process
Diaphragm Insertion
Central tendon
Intercostals Action External Intercostals
Draw the ribs superiorly (increasing the space of the thoracic cavity) to assist with inhalation
Intercostals Action Internal Intercostals
Draw the ribs inferiorly (decreasing the space of the thoracic cavity) to assist with exhalation
Intercostals Origin
Inferior border of the rib above
Intercostals Insertion
Superior border of the rib below
Serratus Posterior Superior Action
Elevate the ribs during inhalation
Serratus Posterior Superior Origin
Spinous processes of C-7 to T-3
Serratus Posterior Superior Insertion
Posterior surface of second through fifth ribs
Serratus Posterior Inferior Action
Depress the ribs during exhalation
Serratus Posterior Inferior Origin
Spinous processes of T-12 to L-3
Serratus Posterion Inferior Insertion
Posterior surface of ninth through twelfth ribs
Intertraversarii Action Unilaterally
Laterally flex the vertebral column to the same side
Intertraversarii Action Bilaterally
Extend the vertebral colum
Intertraversarii Cervical Origin and Insertion
Spanning the transverse processes of vertebrae C-2 to C-7
Intertraversarii Lumbar Origin and Insertion
Spanning the transverse processes of vertebrae L-1 to L-5
Interspinalis Action
Extend the vertebral column
Interspinalis Cervical Origin and Insertion
Spanning the spinous processes of C-2 to T-3
Interspinalis Lumbar Origin and Insertion
Spanning the spinous processes of T-12 to L-5
Interspinalis Innervation
Spinal
Intertraversaii Innervation
Spinal
Serratus Posterior Inferior Innervation
T9, 10,11,12
Serratus Posterior Superior Innervation
T1,2,3,4
Intercostals Innervation
Thoracic
Diaphragm Innervation
Phrenic C3,4,5
External Oblique Innervation
(T5,6) T7-11,T12
Quadratus Lumborum Innervation
Lumbar Plexus
Oblique Capitis Inferior Innervation
Suboccipital
Oblique Capitis Superior Innervation
Suboccipital
Rectus Capitis Posterior Minor Innervation
Suboccipital
Rectus Capitis Posterior Major Innervation
Suboccipital
Splenius Capitis and Cervicis Innervation
Cervical
Semispinalis Capitis Innervation
Cervical
Multifidi and Rotatores Innervation
Spinal
Erector Spinae Group Innervation
Spinal