Practical 1 Innervations and Actions Flashcards
Latissimus Dorsi- Innervation
thoracodorsal nerve, ventral rami C6-C8
Trapezius- Innervation
spinal accessory nerve, C1-C5 cord levels
Levator Scapulae- Innervation
dorsal scapular nerve, ventral ramus C5
PLUS ventral rami C3, C4
Rhomboid Major- Innervation
dorsal scapular nerve, ventral ramus C5
PLUS ventral ramus C4
Rhomboid Minor- Innervation
dorsal scapular nerve, ventral ramus C5
PLUS ventral ramus C4
Splenius Capitis- Innervation
dorsal rami C3-C5
Splenius Cervicis- Innervation
dorsal rami C5-C7
Iliocostalis Lumborum- Innervation
dorsal rami lower T, all L
Iliocostalis Thoracis- Innervation
dorsal rami T1-T6
Iliocostalis Cervicis- Innervation
dorsal rami T1, T2; rarely C8
Longissimus Thoracis- Innervation
dorsal rami T & L nerves
Longissimus Cervicis- Innervation
dorsal rami C4-C8; T1-T2
Longissimus Capitis- Innervation
dorsal rami C1-C3, sometimes C4
Spinalis Thoracis- Innervation
dorsal rami T & upper L
Spinalis Cervicis- Innervation
dorsal rami C
Spinalis Capitis- Innervation
dorsal rami lower C, upper T
Semispinalis Thoracis- Innervation
dorsal rami T1-T6
Semispinalis Cervicis- Innervation
dorsal rami C6-C8
Semispinalis Capitis- Innervation
dorsal rami C1-C6
Multifidus- Innervation
dorsal rami C3-C8, T1-T12, L1-L5, sometimes S1
Rectus Capitis Posterior Major- Innervation
suboccipital nerve, dorsal ramus C1
Rectus Capitis Posterior Minor- Innervation
suboccipital nerve, dorsal ramus C1
Obliquus Capitis Superior- Innervation
suboccipital nerve, dorsal ramus C1
Obliquus Capitis Inferior- Innervation
suboccipital nerve, dorsal ramus C1
Quadratus Lumborum- Innervation
ventral rami T12, L1-L3 or L4
Serratus Posterior Superior- Innervation
Intercostal Nerves, ventral rami T2-T5
Serratus Posterior Inferior- Innervation
intercostal nerves, ventral rami T9-T11
subcostal nerves, ventral ramus T12
Longus Colli- Innervation
ventral rami C2-C6, sometimes C7
Longus Capitis- Innervation
ventral rami C1-C3
Rectus Capitis Anterior- Innervation
ventral rami C1, C2
Rectus Capitis Lateralis- Innervation
ventral rami C1, C2
Anterior Scalene- Innervation
ventral rami C2-C6
Middle Scalene- Innervation
ventral rami C3-C8
Posterior Scalene- Innervation
ventral rami C6-C8
Splenius Capitis- Action
Laterally flex head & rotate face to side; bilaterally extend head
Splenius Cervicis- Action
Laterally flex & rotate neck; bilaterally extend neck
Iliocostalis Lumborum- Action
Extension, lateral flexion, rotation of L spine; lateral movement of pelvis
Iliocostalis Thoracis- Action
Extension, lateral flexion T spine
Iliocostalis Cervicis- Action
Extension, lateral flexion, rotation lower C spine
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- Action
lateral flexion of neck; bilaterally extend neck
Longissimus Capitis- Action
rotate & laterally flex head; bilaterally extend head
Spinalis Thoracis- Action
extend T spine
Spinalis Cervicis- Action
lateral flexion & rotation of C spine; bilaterally extend neck
Spinalis Capitis- Action
lateral flexion & rotation of head; bilaterally extend head
Semispinalis Thoracis- Action
Extension, rotation, & lateral flexion of upper T & lower spine; bilaterally extend T spine
Semispinalis Cervicis- Action
Extension, rotation & lateral flexion of C spine; bilaterally extend neck
Semispinalis Capitis- Action
turns face to side; bilaterally extends head (neck inadvertently)
Rectus Capitis Posterior Major- Action
turns face to side; bilaterally extends head
Rectus Capitis Posterior Minor- Action
Extends head
Obliquus Capitis Superior- Action
lateral flexion of head; bilaterally extends head
Obliquus Capitis Inferior- Action
turns face to side
Quadratus Lumborum- Action
steadies origin of diaphragm; when pelvis is fixed it will laterally flex the L spine; bilaterally extends the L spine; stabilizes & depresses the 12th rib
Serratus Posterior Superior- Action
elevate upper 5 ribs in inspiration
Serratus Posterior Inferior- Action
draws lower 4 ribs down & back; forced inspiration
Longus Colli- Action
flexion & extension of neck; rotation to the contralateral side
Longus Capitis- Action
flex the head
Rectus Capitis Anterior- Action
flex the head
Rectus Capitis Lateralis- Action
laterally flex the head to ipsilateral side