Back Muscles
Trapezius inervation
Cranial nerve XI (11) and C3-C4
Rectus capitis posterior major, rectus capitis posterior minor, obliquus capitis superior, and obliquues capitis inferior innervation
Dorsal ramus of C1 (suboccipital nerve)
Rhomboid major and minor inervation
Dorsal scapular nerve
Serratus posterior superior action
Elevate ribs (largely proprioceptive) (accessory respiration muscle)
Erector spinae muscles laterally to medially acronym
I Love Spaghetti : Iliocostalis, Longissimus, Spinalis
Name the Deep Intermediate group of back muscles
Iliocostalis, longissimus, and spinalis
Rectus capitis posterior major AND minor insertion
Nuchal ligament
Trapezius Origin
Nuchal ligament, occipital protuberance, and spinous processes C7-T12
name the suboccipital group back muscles
Rectus capitis posterior major, rectus capitis posterior minor, obliquus capitis superior, and obliquues capitis inferior
Name the Deep Deep Group of Back Muscles
Semispinales, multifidus, rotatores, interspinales, and intertransversarii
Name the intermediate group of back muscles
Serratus posterior superior and serratus posterior inferior
Splenius capitis AND cervicis innervation
Spinal nerve dorsal rami
Obliquus capitis inferior origin
Spinous process C2
Rectus capitis posterior major origin
Spinous process C2
Rotatores insertion
Spinous process of one vertebra (thoracic)
Splenius cervicis origin
Spinous processes T3-T6
Serratus posterior inferior origin
Spinous processes of T11-L2
Name the Deep superficial group of back muscles
Splenius capitis and splenius cervicis
Splenius cervicis insertion
Transverse Processes of C1-C3
Levator Scapulae origin
Transverse proceses C1-C4
Obliquus capitis superior origin
Transverse process C1
Rotatores origin
Transverse process of one vertebra (thoracic)
Obliquus capitis inferior insertion
Transverse provess of C1 (atlas)
Serratus posterior inferior innervation
anterior rami to T9-T12 thoracic nerves
Splenius capitis AND cervicis action
bilaterally extends the head ipsilaterally flexion and rotation of head
Iliocostalis, Longissimus, and Spinalis action
bilaterally extends the vertebral column and neck ipsilaterally flexion and rotation
Rectus capitis posterior major AND minor action
bilaterally extension at atlanto-occipital joint and ipsilateral rotation at joint
Trapezius Insertion
clavicle and scapular spine
Rotatores action
contralateral rotation and stabilize vertebral column
Serratus posterior inferior action
depresses ribs (propioreceptive) (accessory respiration muscle)
Iliocostalis, longissimus, and spinalis innervation
dorsal rami of spinal nerves
Semispinales, Multifidus, Rotatores, and interspinalis innervation
dorsal rami of spinal nerves
levator scapulae innervation
dorsal scapular nerve
levator scapulae action
elevate and inferiorly rotate scapula
Trapezius action
elevate, retract, and rotates scapula superiorly
Latissimus dorsi action
extends, adducts, and medially rotates humerus
Interspinales action
extension and rotation of vertebral column
Semispinales AND multifidus action
extension of head and neck and vertebral column stabilize and control rotation of vertebral column
intertransversarii action
extension of vertebral column and ipsilateral flexion
Obliquus capitis superiorAND inferior action
extensions and ipsilateral lateral flexion
Name the erector spinae muscles
iliocostalis, longissimus, spinalis
Serratus posterior inferior insertion
inferior borders of ribs 8-12
Serratus posterior superior innervation
intercostal nerves 2-5
One exception of innervation in deep deep group of muscles
intertransversarii- the ventral rami of spinal nerves
Latissimus dorsi insertion
intertubercular sulcus of humerus
Splenius capitis insertion
mastoid process
Rhomboid major insertion
medial border of scapula
Rhomboid minor insertion
medial end of scapular
Serratus posterior superior origin
nuchal ligament and spinous processes C7-T3
Splenius capitis origin
nuchal ligament and spinous processes C7-T3/4
Rhomboid minor origin
nuchal ligament and spinous processes of C7-T1
Obliquus capitis superior insertion
occipital bone
Semispinales insertion
occipital bone and spinous processes in T/C regions
interspinales
part of deep deep group and are the muscle between the spinalis processes
intertransversarii
pass between transverse processes
Rectus capitis posterior minor origin
posterior arch C1
Iliocostalis, Longissimus, and Spinalis origin
posterior iliac crest, posterior sacrum, and spinous process of Lumbar spine vertebrae
Multifidus origin
posterior sacrum and multiple vertebrae (C,T and L)
Rhomboid major and minor action
retract, rotate, and fix scapula to body wall
longissimus insertion
ribs and transverse process of C/T vertebrae and the mastoid process
Iliocostalis insertion
ribs and transverse process of cervical vertebrae
transversospinalis group
semispinalis, multifidus, rotatores (Says Mama Ragu) with rotatores being the deepest
Spinalis insertion
spinous process of cervical and thoracic vertebrae
Multifidus insertion
spinous process of superior vertebrae
Rhomboid major origin
spinous processes of T2-T5
Latissimus dorsi origin
spinous processes of T7-T12, thoracolumbar fascia, iliac crest, and the inferior ribs
Levator scapulae insertion
superior angle of scapula
Serratus posterior superior insertion
superior border ribs 2-4
what does rhomboid major, minor and levator scapulae have in common?
the innervation is the dorsal scapular nerve
Latissimus dorsi inervation
thoracodorsal nerve
Semispinales origin
transverse processes C4-T12
Name the Superficial group of back muscles
trapezius, latissimus dorsi, rhomboid major, rhomboid minor, and levator scapulae
Intertransversarii origina and insertion
unite consecutive transverse processes
Interspinales origin and insertion
unites consecutive spinous processes