Unit 1 OINAPs

trapezius origin

superior nuchal line, external occipital protuberance, nuchal ligament, spinous proccesses of C7-T12

trapezius insertion

clavicle, acromion, spine of scapula

trapezius nerve

spinal accessory nerve (C3-C4)

upper trapezius action

head/neck extension, head/neck lateral flexion, scapular elevation, upward scapular rotation

middle trapezius action

scapular adduction, scapular stabilization, scapular retraction

lower trapezius action

scapular depression, upward scapular rotation

upper trapezius perfusion

occipital artery

middle trapezius perfusion

transverse cervical artery

lower trapezius perfusion

dorsal scapular artery

rhomboid major origin

spinous processes of T2-T5

rhomboid major insertion

medial border of scapula inferior to spine of scapula

rhomboid major nerve

dorsal scapular nerve (C4-C5)

rhomboid major action

scapular retraction, downward scapular rotation, fix scapular to thoracic wall

rhomboid major perfusion

dorsal scapular artery

rhomboid minor origin

nuchal ligament, spinous processes C7-T1

rhomboid minor insertion

medial end of spine of scapula

rhomboid minor nerve

dorsal scapular nerve (C4-C5)

rhomboid minor action

scapular retraction, downward scapular rotation, fix scapular to thoracic wall

rhomboid minor perfusion

dorsal scapular artery

levator scapulae origin

transverse processes C1-C4

levator scapulae insertion

medial border of scapula superior to spine of scapula

levator scapule nerve

dorsal scapular nerve (C3-C4)

levator scapulae action

scapular elevation, downward scapular rotation

levator scapulae perfusion

dorsal scapular artery

latissimus dorsi origin

spinous processes of T7-T12, thoracolumbar fascia, iliac crest, ribs 9-12

latissimus dorsi insertion

floor of intertubercular sulcus of humerus

latissimus dorsi nerve

thoracodorsal nerve (C6-C8)

latissimus dorsi action

shoulder extension, shoulder adduction, shoulder medial rotation

latissimus dorsi perfusion

thoracodorsal artery

serratus posterior superior origin

nuchal ligament, spinous processes C7-T3

serratus posterior superior insertion

ribs 2-4

serratus posterior superior nerve

2nd-5th intercostal nerves

serratus posterior superior action

elevate ribs during inhalation

serratus posterior superior perfusion

posterior intercostal arteries

serratus posterior inferior origin

ribs 8-12

serratus posterior inferior insertion

spinous processes of T11-L2

serratus posterior inferior nerve

9th-11th intercostal nerves, subcostal nerve (spinal nerve T12)

serratus posterior inferior action

depress ribs during exhalation

serratus posterior inferior perfusion

posterior intercostal arteries, subcostal arteries, lumbar arteries

splenius capitis origin

nuchal ligament, spinous processes of C7-T6

splenius capitis insertion

mastoid process of temporal bone, superior nuchal line of occipital bone

splenius capitis nerve

posterior rami of spinal nerves

splenius capitis action

neck lateral flexion, head rotation, head/neck extension

splenius capitis perfusion

occipital artery, deep cervical artery, transverse cervical artery

splenius cervicis origin

nuchal ligament, spinous processes of C7-T6

splenius cervicis insertion

transverse processes of C1-C4

splenius cervicis nerve

posterior rami of spinal nerves

splenius cervicis action

neck lateral flexion, head rotation, head/neck extension

splenius cervicis perfusion

occipital artery, deep cervical artery, transverse cervical artery

spinalis origin

iliac crest, posterior surface of sacrum, sacroiliac ligaments, sacral and inferior lumbar spinous processes, supraspinous ligament

spinalis insertion

spinous process of upper thoracic vertebrae, cranium

spinalis nerve

posterior rami of spinal nerves

spinalis action

head/vertebral column extension, vertebral column lateral flexion

spinalis perfusion

posterior intercostal arteries, lumbar arteries, deep cervical artery, lateral sacral arteries

longissimus origin

iliac crest, posterior surface of sacrum, sacroiliac ligaments, sacral and inferior lumbar spinous processes, supraspinous ligament

longissimus insertion

ribs, transverse processes of cervical and thoracic vertebrae, mastoid process

longissimus nerve

posterior rami of spinal nerves

longissimus action

head/vertebral column extension, vertebral column lateral flexion

longissimus perfusion

posterior intercostal arteries, lumbar arteries, deep cervical artery, lateral sacral arteries

iliocostalis origin

iliac crest, posterior surface of sacrum, sacroiliac ligaments, sacral and inferior lumbar spinous processes, supraspinous ligament

iliocostalis insertion

lower ribs, transverse processes of cervical vertebrae

iliocostalis nerve

posterior rami of spinal nerves

iliocostalis action

head/vertebral column extension, vertebral column lateral flexion

iliocostalis perfusion

posterior intercostal arteries, lumbar arteries, deep cervical artery, lateral sacral arteries

semispinalis origin

transverse processes of C4-T10

semispinalis insertion

occipital bone, spinous processes of cervical and upper thoracic vertebrae in four to six segments

semispinalis nerve

posterior rami of spinal nerves

semispinalis action

head extension, cervical/thoracic vertebral column extension, cervical/thoracic vertebral column contralateral rotation

semispinalis perfusion

posterior intercostal arteries, lumbar arteries, deep cervical artery, occipital artery

multifidus origin

posterior sacrum, posterior superior iliac spine of ilium, aponeurosis of erector spinae, sacroiliac ligaments, mammilary processes of lumbar vertebrae, transverse processes of thoracic vertebrae, articular processes of C4-C7

multifidus insertion

spinous processes, two to four segments superior to origin

multifidus nerve

posterior rami of spinal nerves

mutlifidus action

contralateral rotation, stabilize vertebral column during movement

multifidus perfusion

posterior intercostal arteries, lumbar arteries

rotatores origin

transverse processes of vertebrae (mostly thoracic)

rotatores insertion

junction of lamina and transverse processes, spinous processes of vertebrae immidiately or two segments superiro to vertebra of origin

rotatores nerve

posterior rami of spinal nerves

rotatores action

proprioception, stabilize vertebrae, vertebral column extension, vertebral column rotation

rotatores perfusion

posterior intercostal arteries, lumbar arteries

internspinales origin

superior surfaces of spinous processes of cervical and lumbar vertebrae

interspinales insertion

inferior surfaces of spinous processes of vertebrae superior to vertebrae of origin

interspinales nerve

posterior rami of spinal nerves

interspinales action

vertebral column extension, vertebral column rotation

interspinale perfusion

posterior intercostal arteries, lumbar arteries

intertransversarii origin

transverse processes of cervical and lumbar vertebrae

intertransversarii insertion

transverse processes of adjacent vertebrae

intertransversarii nerve

posterior and anterior rami of spinal nerves

intertransversarii action

vertebral column lateral flexion, stabilize vertebral column

intertransversarii perfusion

posterior intercostal arteries, lumbar arteries

levatores costarum origin

between rib tubercle and rib angle

levator costarum insertion

transverse processes of C7-T11

levator costarum nerve

posterior rami of spinal nerves C8-T11

levator costarum action

rib elevation, respiration, vertebral column lateral flexion

levator costarum perfusion

posterior intercostal arteries

quadratus lumborum origin

12th rib, transverse processes of lumar vertebrae

quadratus lumborum insertion

iliolumbar ligament, internal lip of iliac crest

quadratus lumborum nerve

anterior branches of T12-L4

quadratus lumborum action

vertebral column extension, vertebral column lateral flexion, fixes 12th rib during inhalation

quadratus lumborum perfusion

rectus capitis posterior major origin

spinous process of C2