Spinal Practical 1 Flashcards
Trapezius; Innervation
spinal accessory nerve, C1-C5 cord levels
Latissimus dorsi; Innervation
Thoracodorsal nerve, ventral rami C6-C8
Splenius Capitis; Innervation
Dorsal rami C3-C5
Splenius Capitis; Action
Laterally flex head & rotate face to side; bilaterally extend head
Splenius cervicis; Innervation
Dorsal rami C5-C7
Splenius cervicis; Action
Laterally flex & rotate neck; bilaterally extend neck
Levator scapulae; Innervation
Dorsal scapular nerve, ventral ramus C5
plus ventral ramus C3, C4
Rhomboid minor; Innervation
Dorsal scapular nerve, ventral ramus C5
plus ventral ramus C4
Rhomboid major; Innervation
Dorsal scapular nerve, ventral ramus C5
plus ventral ramus C4
Serratus posterior superior; Innervation
Intercostal nerve, ventral rami T2-T5
Serratus posterior superior; Action
Elevate upper 5 ribs in inspiration
Serratus posterior inferior; Innervation
Intercostal nerves, ventral rami T9-T11
Subcostal nerve, ventral ramus T12
Serratus posterior inferior; Action
Draws lower 4 ribs down and back; forced inspiration
Iliocostalis lumborum; Innervation
Dorsal rami lower T, all L
Iliocostalis lumborum; Action
Extension, lateral flexion, rotation of L spine; lateral movement of pelvis
Iliocostalis thoracis; Innervation
Dorsal rami T1-T6
Iliocostalis thoracis; Action
Extension, lateral flexion T spine
Iliocostalis cervicis; Innervation
Dorsal rami T1, T2; rarely C8
Iliocostalis cervicis; Action
Extension, lateral flexion, rotation lower C spine
Longissimus thoracis; Innervation
Dorsal rami T & L nerves
Longissimus thoracis; Action
Lateral flexion T spine & ribs (L spine inadvertently); bilaterally act in extension of T & L spine, hold T & L spine erect (increases L lordosis); lateral movement of pelvis
Longissimus cervicis; Innervation
Dorsal rami C4-C8; T1-T2
Longissimus cervicis; Action
Lateral flexion of neck; bilaterally extend neck
Longissimus capitis; Innervation
Dorsal rami C1-C3, sometimes C4
Longissimus capitis; Action
Rotate & laterally flex head; bilaterally extend head
Spinalis thoracis; Innervation
Dorsal rami T & upper L
Spinalis thoracis; Action
Extend T spine
Spinalis cervicis; Innervation
Dorsal rami C
Spinalis cervicis; Action
Lateral flexion & rotation of C spine; bilaterally extend neck
Spinalis capitis; Innervation
Dorsal rami lower C, upper T
Spinalis capitis; Action
Lateral flexion & rotation of head; bilaterally extend head
Levator costarum brevis; Innervation
Dorsal rami of T spinal nerves
Levator costarum longus; Innervation
Dorsal rami of lower T spinal nerves
Quadratus lumborum; Innervation
Ventral rami T12, L1-L3 or L4
Quadratus lumborum; Action
Steadies origin of diaphragm; when pelvis s fixed, it will laterally flex the L spine; bilaterally extends the L spine; stabilizes & depresses the 12th rib
Semispinalis thoracis; Innervation
Dorsal rami T1-T6
Semispinalis thoracis; Action
Extension, rotation, & lateral flexion of upper T & lower C spine; bilaterally extend T spine
Multifidus; Innervation
Dorsal rami C3-C8, T1-T12, L1-L5, sometimes S1
Rotator brevis; Innervation
Dorsal rami of spinal nerves at that segmental level
Rotator longus; Innervation
Dorsal rami of spinal nerves at that segmental level
Semispinalis cervicis; Innervation
Dorsal rami C6-C8
Semispinalis cervicis; Action
Lateral flexion & rotation of C spine; bilaterally extend neck
Semispinalis capitis; Innervation
Dorsal rami C1-C6
Semispinalis capitis; Action
Lateral flexion & rotation of head; bilaterally extend head
Interspinalis; Innervation
Dorsal rami of C, T, L spinal nerves
Obliquus capitis inferior; Innervation
Suboccipital nerve, dorsal ramus C1
Obliquus capitis inferior; Action
Turns face to side
Obliquus capitis superior; Innervation
Suboccipital nerve, dorsal ramus C1
Obliquus capitis superior; Action
Lateral flexion of head; bilaterally extends head
Rectus capitis posterior (posticus) major; Innervation
Suboccipital nerve, dorsal ramus C1
Rectus capitis posterior (posticus) major; Action
Turns face to side; bilaterally extend head
Rectus capitis posterior (posticus) minor; Innervation
Suboccipital nerve, dorsal ramus C1
Rectus capitis posterior (posticus) minor; Action
Extends head
Anterior scalene; Innervation
Ventral rami C2-C6
Middle scalene; Innervation
Ventral rami C3-C8
Posterior scalene; Innervation
Ventral rami C6-C8
Longus colli; Innervation
Ventral rami C2-C6, sometimes C7
Longus colli; Action
Flexion & extension of neck; rotation to the contralateral side
Longus capitis; Innervation
Ventral rami C1-C3
Longus capitis; Action
Flex the head
Rectus capitis lateralis; Innervation
Ventral rami C1, C2
Rectus capitis lateralis; Action
Laterally flex the head to ipsilateral side
Rectus Capitis Anterior; Innervation
Ventral rami C1, C2
Rectus Capitis Anterior; Action
Flex the head