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Levatores costarum longi: anatomy, location and function

Longer slips of the levatores costarum on the lower thoracic back. Elevate the ribs and assist lateral flexion and rotation of the spine.

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Highlighted in the model: Levatores costarum longi. Click any part to read about it, or switch off “Highlight topic” to see the whole body. 3D data: BodyParts3D, © The Database Center for Life Science, CC BY 4.0; meshes simplified and recoloured. The model is an adult male.

Levatores costarum longi at a glance

What it is
Longer slips of the levatores costarum on the lower thoracic back.
Location
Arise from the transverse processes of the lower thoracic vertebrae and insert onto the second rib below.
Function
Elevate the ribs and assist lateral flexion and rotation of the spine.
Body system
Muscular · paired (left and right)
FMA ID
FMA74075 (Foundational Model of Anatomy)

Key facts

  • Innervation: dorsal rami of thoracic spinal nerves
  • Each long levator skips one rib, so it spans two segments, unlike the short levators which reach only the rib directly below.

Structures next to the levatores costarum longi

The nearest named structures in the 3D model, measured from the centre of each part:

References

  1. Foundational Model of Anatomy: Levatores costarum longi (FMA74075). EMBL-EBI Ontology Lookup Service.
  2. OpenStax. Anatomy and Physiology 2e, §11.2 Naming Skeletal Muscles. Rice University, 2022.
  3. Mitsuhashi N. et al. (2009). BodyParts3D: 3D structure database for anatomical concepts. Nucleic Acids Research 37, D782–D785. Data © The Database Center for Life Science, CC BY 4.0.

Related anatomy

Explore the whole body in the interactive 3D human anatomy model, or browse the A–Z list of human structures.