MOINA - BACK AND SPINE (i love her)

moina cuhh

Trapezius

O - Nuchal Line, Nuchal Ligament, Occipital Prominence, Spinous Processes C7-T12

I - Lateral 3rd of clavicle, acromion, spine of scapula

N - Accessory Nerve (CN11)

A - Elevates, retracts and rotates scapula; lower fibers depress scapula

Latissimus Dorsi

O - Spinous Processes T7-T12, Thoracolumbar fascia, Iliac crest, and inf. 3-4 ribs

I - Bicipital groove of humerus

N - Thoracodorsal Nerve

A - Extend, Adduct, and Medially rotates Humerus

Levator Scapulae

O - Post. tubercles of transverse processes of C1-C4

I - Medial border of Scapula from superior angle of spine

N - Ventral rami of C3-C4 and dorsal scapular nerve

A - Elevates scapula medially, inferiorly rotates Glenoid cavity

Rhomboid Major

O - Spinous process from T2-T5

I - Medial border of Scapula below base of Spine of Scapula

N - Dorsal Scapular Nerve

A - Fixes Scapula to Thoracis wall and retracts and rotates it to depress glenoid cavity

Rhomboid Minor

O - Nuchal ligament and Spinous process from C7-T1

I - Medial border of Scapula at of Spine of Scapula

N - Dorsal Scapular Nerve

A - Fixes Scapula to Thoracis wall and retracts and rotates it to depress glenoid cavity

Serratus Posterior Superior

O - Nuchal ligament and Spinous processes from C7-T3

I - Superior border of ribs 2-5

N - Ventral rami of upper thoracic Nerve

A - Elevates Ribs

Serratus Posterior Inferior

O - Spinous processes from T11-L2

I - Inferior border of ribs 9-12

N - Ventral rami of lower thoracic Nerve

A - Depresses Ribs

Splenius Capitis

O - Nuchal ligament and Spinous processes from C7-T3

I - Mastoid process of temporal bone , lateral 3rd of superior nuchal line

N - Dorsal rami of middle Cervical Nerve

A - Bilat. - extend neck, Unilat.- laterally bends and rotates face to same side

Splenius Cervicis

O - Spinous processes from T3-T6

I - Transverse Processes of C1-C3

N - Dorsal rami of lower Cervical Nerve

A - Bilat. - extend neck, Unilat.- laterally bends and rotates neck to same side

Iliocostalis

O - Transverse Processes of C4-T12

I - Transverse Processes of Thoracic and Cervical vertebrae and occipital bone

Longissimus

O - Transverse Process of Lumbar and cervical nerves

I - Transverse Process of Lumbar and cervical vertebrae and mastoid process

Spinalis

O - Transverse Process of Lumbar and Thoracic Vertebrae

I - Transverse Process of Lumbar and Thoracic Vertebrae

Semispinalis

O - Transverse Processes of C4-T12

I - Spinous processes of cervical and thoracic regions

N - Dorsal rami of spinal nerve

A - Extends head, neck and thorax and rotates them to opposite side

Multifidus

O - Sacrum, Iliac Crest, transverse processes of T1-T12, and anterior processes of C4-C7

I - Spinous processes of vertebrae above (spanning 2-4 segments)

N - Dorsal rami of each region

A - Stabilizes spine

Rotatores

O - Transverse processes of cervical, thoracic and lumbar regions

I - Spinous processes of vertebrae above (spanning 1-2 segments)

N - Dorsal rami of spinal nerves

A - Extends Neck, neck and thorax and rotates them to opposite side

Interspinales

O - Spinous process

I - Adjacent spinous process

N - Dorsal rami of spinal nerves

A - Aid in extension of vertebral column

Intertransversarii

O - Transverse processes of vertebrae (extend between)

I - Adjacent transverse processes of vertebrae (extend between)

N - Dorsal rami of spinal nerves

A - Aid in lateral flexion of vertebral column

Levatores Costarum

O - Transverse processes of C7-T11

I - Ribs Below

A - elevates ribs

Obliquus Capitis Inferior

O - Spine of axis

I - Transverse processes of Atlas

N - Suboccipital nerve

A - rotates atlas to turn face to same sides

Obliquus Capitis Superior

O - Transverse processes of Atlas

I - Occipital Bone

N - Suboccipital nerve

A - Extends and bends head laterally

Rectus Capitis Posterior Major

O - Spine of axis

I - Inferior of Nuchal line

N - Suboccipital nerve

A - Extends and rotates head to same sides

Rectus Capitis Posterior Minor

O - Tubercle and posterior arch of atlas

I - Median inferior Nuchal line

N - Suboccipital nerve

A - Extends head