(Netter Basic Science) Frank H. Netter - Atlas of Human Anatomy-Elsevier (2018)

Suboccipital Triangle
See also Plates 36, 39
Rectus capitis posterior minor muscle
Rectus capitis posterior major muscle
Occipital belly of
occipitofrontalis muscle
Greater occipital nerve
(medial branch of posterior
ramus of C2 spinal nerve)
Occipital artery
3rd occipital nerve
(medial branch of posterior
ramus of C3 spinal nerve)
Semispinalis capitis
and splenius capitis
muscles in posterior
triangle of neck
Posterior auricular artery
Great auricular nerve
(cervical plexus C2, 3)
Lesser occipital nerve
(cervical plexus C2, 3)
Sternocleidomastoid muscle
Epicranial aponeurosis
Semispinalis capitis muscle
(cut and reflected)
Vertebral artery
(horizontal segment)
Obliquus capitis
superior muscle
C2 vertebra
Suboccipital nerve
(posterior ramus of C1
spinal nerve)
Posterior arch of
atlas (C1 vertebra)
Descending
branch of
occipital artery
Obliquus capitis
inferior muscle
Greater occipital
nerve (posterior
ramus of C2 spinal
nerve)
Splenius capitis muscle
(cut and reflected)
3rd occipital nerve
(posterior ramus of C3
spinal nerve)
Longissimus capitis muscle
Splenius cervicis muscle
Semispinalis cervicis muscle
Trapezius muscle
Semispinalis capitis muscle (cut)
Posterior cutaneous branches of
posterior rami of C4, 5, 6
spinal nerves
Splenius capitis muscle (cut)
Plate 184
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Muscles and Nerves