Spine/Thorax Flashcards
Actions, Origin, Insertion & Nerve Innervation of the Erector Spinae Group
Origin - Thoracolumbar fascia, attaches to posterior surface of sacrum, iliac crest, SP of lumbar & T11&T12
Insertion - Various spots on the posterior ribs, SP&TVPs of thoracic & cervical vertebrae’s & mastoid process
Actions - (uni) Laterally Flex’s VC to same side (bi) Extends VC
Nerve Innervation - Spinal
Spinalis Origin, Actions, Insertion & Nerve Innervation
Origin - SPs of upper lumbar & lower thoracic vertebrae (thoracis) Ligament nuchae & SP of C7 (cervicis)
Insertion - SP of upper thoracic (thoracis) SPs of cervicals, expect C1 (cervicis)
Actions - (uni) Laterally Flex VC to same side (bi) Extend VC
Nerve Innervation - Spinal
Origin, Insertion, Action & Nerve Innervation of Longissimus
Origin - Common tendon (thoracis) TVPs of upper 5 thoracic vertebrae (cervicis & captis)
Insertion - Lower 9 ribs & TVPs of thoracic vertebrae (thoracis) TVPs of cervical vertebrae (cervicis) Mastoid process & lateral portion of superior nuchal lines (captis)
Actions - (uni) Laterally Flex VC same side (bi) Extend VC
Nerve Innervation - Spinal
Ilicostalis Origin, Insertion, Action & Nerve Innervation
Origin - Common tendon (lumborum) Posterior surface of all ribs ( thoracis & cervicis)
Insertion - TVPs of L1-L3 & Posterior surface of 6th-12th ribs (lumborum) Posterior surface of 1st-6th ribs (thoracis) TVPs of lower cervicals (cervicis)
Actions - (uni) Laterally Flex’s VC same side (bi) Extend VC
Nerve Innervation - Spinal
Multifidi Origins, Insertions, Actions & Nerve Innervation
Origin - Sacrum & TVPs of Lumbar - Cervical vertebrae
Insertion - SPs of lumbar through second cervical vertebrae (span 2-4 vertebrae)
Actions - (uni) Rotate VC opposite side (bi) Extend VC
Nerve Innervation - Spinal
Rotatores Origins, Actions, Insertions, & Nerve Innervation
Origins - TVPs of lumbar through cervical vertebrae
Insertion - SPs of lumbar through C2 (span 1-2 vertebrae)
Actions - (uni) Rotate VC opposite side (bi) Extend VC
Nerve Innervation - Spinal
Actions, Origins, Insertions & Nerve Innervation for Semipinalis Capitis
Origin - TVPs of C4-T5
Insertion - Between superior & inferior nuchal lines
Action - Extend VC & head
Nerve Innervation - Cervical
Nerve Innervation, Origin, Action & Insertion of Splenius Capitis
Origin - Connective tissue & SPs of C7-T4
Insertion - Mastoid process & Lateral portion of superior nuchal line
Action - (uni) Rotates same side & Laterally Flex’s same side (bi) Extends head&neck
Nerve Innervation - Cervical
Splenius Cervicis Origin, Nerve Innervation, Actions & Insertion
Origin - SPs of T3-T6
Insertion - TVPs of C1-C3
Actions - (uni) Rotate & Laterally Flex to same side (bi) Extend head&neck
Nerve Innervation - Cervical
Origin, Insertion, Action & Nerve Innervation of Rectus Capitis Posterior Major
Origin - SP of C2
Insertion - Inferior nuchal line
Actions - Rock&Tilt head back into extension & Rotate to same side
Nerve Innervation - Suboccipital
Origin, Insertion, Action & Nerve Innervation for Rectus Capitis Posterior Minor
Origin - Tubercle of posterior arch of C1
Insertion - Inferior nuchal line
Actions - Rock&Tilt head back into extension
Nerve Innervation - suboccipital
Oblique Capitis Superior Origin, Insertion, Actions & Nerve Innervation
Origin - TVPs of C1
Insertion - Between the nuchal lines
Action - Rock&Tilt head back into extension
Nerve Innervation - Suboccipital
Oblique Capitis Inferior Action, Nerve Innervation, Origin & Insertion
Origin - SP of C2
Insertion - TVP of C1
Action - Rotate & Laterally flex to same side
Nerve Innervation - Suboccipital
Action, Nerve Innervation, Origin & Insertion for QL
Origin - Posterior Iliac crest
Insertion - 12th rib, TVPs of L1-L4
Action - (uni) Laterally tilts pelvis & Laterally flex’s VC (bi) Fix 12th rib during forced inhalation & exhalation
Nerve Innervation - Lumbar Plexus T12&L1,2&3
Rectus Abdominis Origin, Insertion, Action & Nerve Innervation
Origin - Pubic crest & symphysis
Insertion - Cartilage of 5th,6th&7th rib & xiphoid process
Actions - Flex VC & Tilts pelvis posteriorly
Nerve Innervation - T5-T12, ventral rami
Origin, Insertion, Action & Nerve Innervation for External Oblique
Origin - External surface of 5th-12th ribs
Insertion - Anterior iliac crest & Rectus sheath to linea alba
Action - (uni) Laterally Flexs VC same side & Rotates to opposite side (bi) Flex’s VC & Compresses abdominal contents
Nerve Innervation - T5-12
Internal Oblique Action, Nerve Innervation, Origin & Insertion
Origin - Lateral Inguinal ligament, iliac crest & Thoracolumbar fascia
Insertion - Internal surface of ribs 10-12 & Rectus sheath to linea alba
Action - (uni) Laterally Flex & Rotates VC to same side (bi) Flex’s VC & Compressed abdominal contents
Nerve Innervation - T7-T12 & L1 Iliohypogastric & Ilioinguinal
Origin, Action, Nerve Innervation & Insertion for Transverse Abdominis
Origin - Lateral Inguinal ligament, Iliac crest, Thoracolumbar fascia & Internal surface of 7th-12th ribs
Insertion - Rectus Sheath to Linea Alba
Action - Compress abdominal content
Nerve Innervation - T7-T12 & L1 Iliohypogastric & Ilioinguinal
Diaphragm Origin, Insertion, Action & Nerve Innervation
Origin - Cartilage of 7th-12th ribs, Xiophoid process & L1-L3
Insertion - Central Tendon
Action - Draws down & Increases Volume
Never Innervation - Phrenic C3,4&5
Origin, Action, Insertion & Nerve Innervation of External Intercostals
Origin - Inferior Border of above rib
Insertion - Superior Border of rib below
Action - Draws ribs superiorly
Nerve Innervation - Thoracic
Origin, Action, Nerve Innervation & Insertion for Internal Intercostals
Origin - Inferior border of rib above
Insertion - Superior border of rib below
Action - Draw ribs inferiorly
Nerve Innervation - Thoracic
Serratus Posterior Superior Nerve Innervation, Action, Insertion & Origin
Origin - SP of C7-T3
Insertion - Posterior surface of ribs 2-5
Action - Elevate ribs during inhalation
Nerve Innervation - T1-T4
Serratus Posterior Inferior Origin, Action, Nerve Innervation & Insertion
Origin - SP of T12-L3
Insertion - Posterior surface of ribs 9-12
Action - Depress ribs during exhalation
Nerve Innervation - T9-T12
Origin, Action, Insertion & Nerve Innervation for Intertransversarii
Origin/Insertion- TVPs of C2-C7 (cervical)TVPs of L1-L5 (lumbar)
Action - (uni) Laterally Flex VC to same side (bi) Extends VC
Nerve Innervation - Spinal
