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The semispinalis capitis (complexus) is situated at the upper and back part of the neck, deep to the splenius muscles, and medial to the longissimus cervicis and longissimus capitis. 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 ...
The three semispinalis muscles, span 4-6 vertebral segments: semispinalis thoracis; semispinalis cervicis; semispinalis capitis; The multifidus muscle, and spans 2-4 vertebral segments The rotatores muscles, lie beneath the multifidus, and spans 1-2 vertebral segments rotatores cervicis; rotatores thoracis; rotatores lumborum
Spinalis cervicis, or spinalis colli, is an inconstant muscle, which arises from the lower part of the nuchal ligament, the spinous process of the seventh cervical, and sometimes from the spinous processes of the first and second thoracic vertebrae, and is inserted into the spinous process of the axis, and occasionally into the spinous processes of the two cervical vertebrae below it.
Sometimes the branch of the fifth fails to reach the skin. Those of the lower three nerves are small, and end in the Semispinalis cervicis and capitis, Multifidus, and Interspinales. The lateral branches of the lower five nerves supply the Iliocostalis cervicis, Longissimus cervicis, and Longissimus capitis.
semispinalis colli (cervicis) Torso, Back, right/left transverse processes of upper five or six thoracic vertebrae: spinous processes, cervical, from axis to fifth posterior branch of spinal nerve: extends/rotates vertebral column: 2 1 semispinalis capitis: Torso/Neck, Back, right/left articular processes of C4-C6; transverse processes of C7 ...
The splenius cervicis (/ ˈ s p l iː n i ə s s ər ˈ v aɪ s ɪ s /) (also known as the splenius colli, /-ˈ k ɒ l aɪ /) is a muscle in the back of the neck.It arises by a narrow tendinous band from the spinous processes of the third to the sixth thoracic vertebrae; it is inserted, by tendinous fasciculi, into the posterior tubercles of the transverse processes of the upper two or three ...
Splenius cervicis muscle Their origins are in the upper thoracic and lower cervical spinous processes . Their actions are to extend and ipsilaterally rotate the head and neck.
Passing backward, above the eighth cervical nerve and between the transverse process of the seventh cervical vertebra and the neck of the first rib, it runs up the back of the neck, between the semispinalis capitis and semispinalis cervicis, as high as the axis vertebra, supplying these and adjacent muscles, and anastomosing with the deep ...