Neck Muscles Flashcards
Iliocostalis cervicis origin
Angles of upper 6 ribs
Iliocostalis cervicis insertion
Transverse processes of 4th to 6th cervical vertebrae
Iliocostalis cervicis action
Bilateral - extension of vertebral column
Unilateral - bend vertebral column to same side (lateral flexion)
Iliocostalis cervicis innervation
Posterior rami of spinal nerves in area of muscle
Iliocostalis cervicis blood supply
Occipital, deep cervical, vertebral arteries
Longissimus cervicis origin
Transverse processes of upper 4 to 6 thoracic vertebrae
Longissimus cervicis insertion
Transverse processes C2 - C6
Longissimus cervicis action
Bilateral - extension of vertebral column
Unilateral - bend vertebral column towards same side (lateral flexion)
Longissimus cervicis innervation
Posterior rami of spinal nerves in area of muscle
Longissimus cervicis blood supply
Occipital, deep cervical, vertebral arteries
Splenius capitis origin
Ligamentum nuchae, spinous processes of 7th cervical and first 3-4 thoracic vertebrae
Splenius capitis insertion
Mastoid process & occipital bone
Splenius capitis action
Rotation of head and cervical vertebral column to same side
Splenius capitis innervation
Posterior rami of middle cervical spinal nerves
Splenius capitis blood supply
Occipital, deep cervical arteries
Splenius cervicis origin
Spinous processes of T3-T6 vertebrae
Splenius cervicis insertion
Transverse processes of C1-C4
Splenius cervicis action
Rotation of head and cervical vertebral column to same side
Splenius cervicis innervation
Posterior rami of middle cervical spinal nerves
Splenius cervicis blood supply
Occipital & deep cervical arteries
Semispinalis cervicis origin
Transverse processes of upper 5-6 thoracic vertebrae
Semispinalis cervicis insertion
Spinous processes of axis to C5 vertebrae
Semispinalis cervicis action
Extension of vertebral column
Semispinalis cervicis innervation
Posterior rami of cervical and thoracic spinal nerves
Semispinalis cervicis blood supply
Occipital, deep cervical, vertebral arteries
Obliquus capitis inferior origin
Spinous process of axis
Obliquus capitis inferior insertion
Transverse process of atlas
Obliquus capitis inferior action
Rotation of atlas (turn head to same side)
Obliquus capitis inferior innervation
Posterior ramus of C1
Obliquus capitis inferior blood supply
Vertebral artery and occipital arteries