longissimus
Sign in to saveAlso known as longissimus muscle
The longissimus () is the muscle lateral to the semispinalis muscles. It is the longest subdivision of the erector spinae muscles that extends forward into the transverse processes of the posterior cervical vertebrae.
Key facts
- Muscle.Name
- Longissimus
- Muscle.Latin
- musculus longissimus
- Muscle.Image
- Longissimus.png
- Muscle.Caption
- Deep muscles of the back – longissimus capitis visible at top right, longisimus cervicis visible at center upper right, and longissimus dorsi visible at center right
- Muscle.Origin
- Transverse process
- Muscle.Insertion
- Transverse process
- Muscle.Action
- Laterally: Flex the head and neck to the same side. Bilaterally: Extend the vertebral column.
- Muscle.Blood
- Lateral sacral artery
- Muscle.Nerve
- Posterior branch of spinal nerve
- Muscle.Antagonist
- Rectus abdominis muscle
via Wikipedia infobox
~2 min read
Encyclopedic overview
7 sectionsContents
- Structure
- Longissimus thoracis et lumborum
- Longissimus cervicis
- Longissimus capitis
- See also
- References
- External links
The longissimus () is the muscle lateral to the semispinalis muscles. It is the longest subdivision of the erector spinae muscles that extends forward into the transverse processes of the posterior cervical vertebrae.
==Structure==
Excerpted from Wikipedia’s “longissimus” article, available under the CC BY-SA 4.0 licence.