Iliocostalis Cervicis Muscle

Author: Scott A. Sheffield MS

Last update:

The iliocostalis cervicis is a deep back muscle located at the neck and part of the erector spinae.

image descriptionIliocostalis Cervicis:

Unlabelled image of the muscles that act on the back
Posterior view showing the deep back muscles with the iliocostalis muscle highlighted with green
Labelled image of the longissimus capitis, iliocostalis cervicis, iliocostalis thoracis, longissimus thoracis, and iliocostalis lumborum muscles
Labelled image of the iliocostalis cervicis, iliocostalis thoracis, and iliocostalis lumborum muscles
Labelled image of the iliocostalis cervicis, and iliocostalis thoracis muscles
(Muscularis Iliocostalis cervicis)
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image descriptionAttachments of Iliocostalis Cervicis:  Origin & Insertion

Origin: angles of ribs 3-6.

Insertion: transverse processes of C4-C6.

Unlabelled image of the muscles that act on the back
Labelled image of the origin and insertion of the iliocostalis cervicis muscle
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Actions of the Iliocostalis Cervicis Muscle:

  1. Bilateral action: image descriptionextends and hyperextends cervical (neck) vertebrae.

Learning muscle anatomy is hard! Simplify your learning with these handy muscle anatomy reference charts.

Extensions of neck vertebrae animation slide 4
Extensions of neck vertebrae animation slide 4
Extensions of neck vertebrae animation slide 3
Extensions of neck vertebrae animation slide 2
Extensions of neck vertebrae animation slide 1
Extension of neck vertebrae
  1. Unilateral action: image descriptionLaterally flexes cervical (neck) vertebrae.
Lateral flexion of the neck vertebrae animation slide 1
Lateral flexion of the neck vertebrae animation slide 2
Lateral flexion of the neck vertebrae animation slide 2
Lateral flexion of the neck vertebrae animation slide 4
Lateral flexion of the neck vertebrae animation slide 5
Lateral flexion of neck vertebrae.

Nerve Supply to Iliocostalis Cervicis:

  1. Dorsal rami of spinal nerves (C6-C8).

Overview of the Muscles of the Back:

Test yourself with anwers hidden
Test yourself image showing answers: sternocleidomastoid, spinalis capitis, spinalis cervicis, iliocostalis cervicis, iliocostalis thoracis, external intercostals, longissimus thoracis, spinalis thoracis, iliocostalis lumborum
Test yourself image showing answer: spinalis capitis, spinalis cervicis, iliocostalis cervicis, iliocostalis thoracis, longissimus thoracis, spinalis thoracis, iliocostalis lumborum
Test yourself image showing answer: semispinalis capitis, longissimus capitis, spinalis cervicis, iliocostalis cervicis, iliocostalis thoracis, longissimus thoracis, spinalis thoracis, iliocostalis lumborum
Test yourself image showing answers: longissimus thoracis, spinalis cervicis, iliocostalis cervicis, iliocostalis thoracis, longissimus thoracis, spinalis thoracis, iliocostalis thoracis.
Test yourself showing answers: longissimus cervicis, iliocostalis cervicis, iliocostalis thoracis, longissimus thoracis, iliocostalis lumborum
Test yourself image showing answers: iliocostalis cervicis, iliocostalis thoracis, iliocostalis lumborum
Test yourself image showing answers: ilicostalis cervicis, iliocostalis thoracis
Test yourself image labelling the origin and insertion points of the iliocostalis cervicis
Review the muscles of the back and test yourself.
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