MuscleBack — deep (transversospinalis)
Semispinalis capitis
Latin: M. semispinalis capitis
Location: Neck
View the semispinalis capitis in 3DOrigin
Transverse processes of C7–T6.
Insertion
Occipital bone between the superior and inferior nuchal lines.
Action
Extends the head and neck; its bulk covers (roofs) the suboccipital triangle.
Nerve supply
Dorsal rami (C1–C6).
Blood supply
Occipital and deep cervical arteries.
Clinical relevance
The greater occipital nerve pierces it — entrapment here causes occipital neuralgia's electric scalp pain.
Educational anatomy reference, not medical advice. About this content.