Semispinalis muscles

semispinalis capitissemispinalissemispinalis cervicissemispinalis dorsicomplexusSemispinales capitisSemispinalis musclesemispinalis thoracissemispinalis capitis muscle
The semispinalis muscles are a group of three muscles belonging to the transversospinales.wikipedia
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Longissimus

longissimus capitislongissimus dorsilongissimus cervicis
The semispinalis capitis (complexus) is situated at the upper and back part of the neck, deep to the splenius, and medial to the longissimus cervicis and longissimus capitis.
The longissimus (Latin for 'the longest one') is the muscle lateral to the semispinalis muscles.

Transversospinales

deep dorsal musclestransversospinales musclestransversospinalis
The semispinalis muscles are a group of three muscles belonging to the transversospinales.

Spinal nerve

spinal nervescervical nervessacral nerves
The semispinalis muscles are innervated by the dorsal rami of the cervical spinal nerves.
Posterior divisions: The medial branches (ramus medialis) of the posterior branches of the upper six thoracic nerves run between the semispinalis dorsi and multifidus, which they supply; they then pierce the rhomboid and trapezius muscles, and reach the skin by the sides of the spinous processes.

Greater occipital nerve

greater occipital
It then passes through the semispinalis muscle before ascending to innervate the skin along the posterior part of the scalp to the vertex.

Muscle

musclesmuscularmusculature
The semispinalis muscles are a group of three muscles belonging to the transversospinales.

Neck

cervicalnuchalcervical region
The semispinalis capitis (complexus) is situated at the upper and back part of the neck, deep to the splenius, and medial to the longissimus cervicis and longissimus capitis.

Splenius muscles

Splenius
The semispinalis capitis (complexus) is situated at the upper and back part of the neck, deep to the splenius, and medial to the longissimus cervicis and longissimus capitis.

Thoracic vertebrae

dorsal vertebraethoracic vertebrathoracic
It arises by a series of tendons from the tips of the transverse processes of the upper six or seven thoracic and the seventh cervical vertebrae, and from the articular processes of the three cervical vertebrae above this (C4-C6).

Cervical vertebrae

cervicalcervical spinecervical vertebra
It arises by a series of tendons from the tips of the transverse processes of the upper six or seven thoracic and the seventh cervical vertebrae, and from the articular processes of the three cervical vertebrae above this (C4-C6).

Nuchal lines

superior nuchal linenuchal crestnuchal line
The tendons, uniting, form a broad muscle, which passes upward, and is inserted between the superior and inferior nuchal lines of the occipital bone.

Occipital bone

occiputoccipitalbasioccipital
The tendons, uniting, form a broad muscle, which passes upward, and is inserted between the superior and inferior nuchal lines of the occipital bone.

Trapezius

trapezius muscletrapezius musclestrapexius
It lies deep to the trapezius muscle and can be palpated as a firm round muscle mass just lateral to the cervical spinous processes.

Vertebra

vertebraeneural spineneural arch
It arises by a series of tendons from the tips of the transverse processes of the upper six or seven thoracic and the seventh cervical vertebrae, and from the articular processes of the three cervical vertebrae above this (C4-C6).

Axis (anatomy)

axisodontoid processC2
The fasciculus connected with the axis is the largest, and is chiefly muscular in structure.

Muscle fascicle

fasciculifasciculusfascicles
The semispinalis thoracis (or semispinalis dorsi) muscle consists of thin, narrow, fleshy fasciculi, interposed between tendons of considerable length.

Tendon

tendonssinewtendinous
The semispinalis thoracis (or semispinalis dorsi) muscle consists of thin, narrow, fleshy fasciculi, interposed between tendons of considerable length.

Migraine treatment

treatment
Thus far, three muscle trigger areas where the nerve passes through a muscle have been identified as surgical candidates – where the a) greater occipital nerve pierces through the semispinalis capitis muscle, b) the zygomaticotemporal nerve passes through the temporalis muscle, and c) the supraorbital/supratrochlear nerves pass through the glabellar muscle group (the corrugator supercilii, depressor supercilii, and procerus muscles).

Suboccipital triangle

suboccipitalsuboccipital region
It is covered by a layer of dense fibro-fatty tissue, situated beneath the semispinalis capitis.

Deep cervical vein

deep cervicaldeep cervical veins
The deep cervical vein (posterior vertebral or posterior deep cervical vein) accompanies its artery between the Semispinales capitis and colli.

Head and neck anatomy

head and neckneck or templeVeins of the head and neck

Posterior branches of thoracic nerves

The medial branches of the posterior divisions of the upper six thoracic nerves run between the semispinalis dorsi and multifidus, which they supply.

Squamous part of occipital bone

occipital planesquamanuchal plane
Into the surface between the superior and inferior nuchal lines the semispinalis capitis and the obliquus capitis superior are inserted, while the inferior nuchal line and the area below it receive the insertions of the rectus capitis posterior major and minor.

Rib eye steak

ribeyerib eyerib-eye
Ribeye steaks are mostly composed of the longissimus dorsi muscle but also contain the complexus and spinalis muscles.