Cadaver Anatomy Back

What is the PROXIMAL attachment for the trapezius muscle?

External occipital protuberance, ligamentum nuchae, and spinous processes C7-T12

What is the DISTAL attachment for the Trapezius?

The clavicle, Acromion process and spine of the scapula.

What are actions of the trapezius?

Elevation from the upper fibers, retraction from the middle fibers, and depression from the lower fibers.

What is the innervation of the trapezius?

Motor is the spinal accessory nerve, sensory is C3 & C4

What is the paralleling artery of the trapezius?

Superficial blanch of the transverse cervical artery

What is the PROXIMAL attachment of the Latissimus Dorsi?

Spinous processes of T6-T12 vertebrae, the thoracolumbar fascia, and the iliac crest.

What is the DISTAL attachment of the Latissimus Dorsi?

Intertubercular grove of the humerus.

What is the action of the Latissimus Dorsi?

Extension, adduction, and internal rotation of the shoulder.

What is the innervation of the Latissimus Dorsi?

Thoracodorsal nerve (C6 C7 & C8)

What is the paralleling artery of the Latissimus Dorsi?

Thoracodorsal Artery

What is the PROXIMAL attachment of the Levator Scapulae?

Transverse processes of C1-C4 vertebrae (superior attachment)

What is the DISTAL attachment of the Levator Scapulae?

Superior angle of the scapulae

What is the actions of the levator scapulae?

Scapular elevation

What is the innervation of the levator scapulae?

Dorsal scapular nerve and cervical nerves C5

What is the paralleling artery of the levator scapulae?

The deep branch of the transverse scapular artery (Dorsal scapular artery)

What is the PROXIMAL attachment of the rhomboid minor?

Spinous process of C7-T1

What is the DISTAL attachment of the rhomboid minor?

Medial border of the scapula

What is the action of the rhomboid minor?

Retraction of the scapula

What is the innervation of the rhomboid minor?

The dorsal scapular never and C5

What is the paralleling artery of the rhomboid minor?

Dorsal scapular artery

What is the PROXIMAL attachment of the rhomboid major?

Spinous process T2-T5

What is the DISTAL attachment of the rhomboid major?

Medial boarder of the scapula

What is the action of the rhomboid major

Retraction of the Scapula

What is the innervation of the rhomboid major?

Dorsal Scapular nerve, C5

What is the paralleling artery of the rhomboid major?

Dorsal scapular artery

What is the PROXIMAL attachment of the serratus posterior superior?

Spinous processes C7-T3

What is the DISTAL attachment of the serratus posterior superior?

Ribs 2-4

What is the action of the serratus posterior superior?

Elevate the ribs and assist in ventelation

What is the inervation of the serratus posterior superior?

Intercostal Nerve

What is the PROXIMAL attachment of the serratus posterior inferior?

Spinous process T11-T12

What is the DISTAL attachment of the serratus posterior inferior?

Ribs 8-12

What is the action of the serratus posterior inferior?

Depression of the ribs, assists in ventilation

What is the innervation of the serratus posterior inferior?

Intercostal nerve

What is the PROXIMAL attachment of the levator costarum?

Transverse processes of C7-T11

What is the DISTAL attachment of the levator costarum?

Ribs 1-12

What is the action of the levator costarum?

Elevate the ribs

What is the innervation of the levator costarum?

The dorsal rami

What is the PROXIMAL attachment of the Illiocostalis, Longissimus, and Spinalis?

The common broad tendon on the posterior sacrum and posterior iliac crest?

What is the DISTAL attachment of the illiocostalis?

Angle of the Ribs

What is the DISTAL attachment of the longissimus?

Rib tubercles, transvers processes and mastoid process

What is the DISTAL attachment of the Spinalis?

Spinous process of the T-C spines

What are the actions of the Iliocostalis, Longissimus, and Spinalis?

Same side lateral spinal flexion, bilateral spinal extension

What is the inntervation of the Iliocostalis, Longissimus, and Spinalis?

Dorsal Rami

What is the PROXIMAL attachment of the semispinalis?

Transverse processes of the spine

What is the DISTAL attachment of the semispinalis?

Spinous processes and occpital bone

What is the action of the Semispinalis?

Unilaterally rotate to the head to the opposite side, bilaterally extend the head

What is the innervation of the semispinalis?

Dorsal Rami

What is the PROXIMAL attachment of the multifundus?

The transverse process of vertebre

What is the DISTAL attachment of the multifundus

Spinous process

What is the action of the multifundus

Unilaterally laterally flex and rotate the back to the opposite side, bilaterally extended and stabilize the back

What is the innervation of the multifundus

Dorsal Rami

What is the PROXIMAL attachment of the rotatores?

Transverse process of vertebre

hat is the DISTAL attachment of the rotatores?

Spinous processes of vertebrae

What is the action of the rotatores

unilaterally rotate the back to opposite side, bilaterally stabilize the back

What is the innervation of the rotatores

Dorsal rami

What is the PROXIMAL ATTACHMENT of the rectus capitus posterior major?

Spinous process of C2

What is the DISTAL attachment of rectus capitus posterior major

Occipital bone

What is the action of the rectus capitis posterior major

Unilaterally rotate to same side, bilaterally extend the head

What is the innervation of the rectus capitus posterior major?

Suboccipital nerve for motor, greater occipital for sensory, C1-C2

What is the PROXIMAL attachment of the rectus capitus posterior minor?

posterior tubercle of C1

What is the DISTAL attachment of rectus capitis posterior minor

Occipital bone

What is the action of the rectus capitis posterior minor?

Unilaterally rotate to same side, bilaterally extend the head

What is the innervation of the rectus capitus posterior minor?

Suboccipital nerve for motor, greater occipital for sensory, C1-C2

What is the PROXIMAL attachment of the oblique capitus superior?

Transverse process of C1

What is the DISTAL attachment of the oblique capitis superior?

Occipital bone

What is the action of the oblique capitus superior?

Unilaterally rotate to same side, bilaterally extend the head

What is the innervation of the oblique capitus superior?

Suboccipital nerve for motor, greater occipital for sensory, C1-C2

What is the PROXIMAL attachment of the oblique capitus inferior?

Spinous process of C2

What is the DISTAL attachment of the oblique capitus inferior?

Transverse process of C1

What is the action of the oblique capitus

Unilateral rotation of the head to the same side

What is the innervation of the obliques capitus inferior

Suboccipital nerve for motor, greater occipital for sensory, C1-C2