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