Medial dorsal sacrocaudal muscle, left, bundle over Cd8–Cd11

Musculus sacrocaudalis dorsalis medialis

Raises the tail, with some sideways movement.

System
Muscle
Region
Tail
Sides
Paired: left and right
Medial dorsal sacrocaudal muscle, left, bundle over Cd8–Cd11 (Musculus sacrocaudalis dorsalis medialis) of the dog, left side: a three-quarter view of the muscle.

Where it runs from and to

A muscle is told apart from its neighbours by what it takes hold of at each end, which is also what decides what it does when it shortens.

Origin
Sacrum and the dorsal processes of the tail vertebrae, continuing the multifidus into the tail.
Insertion
Dorsal processes of tail vertebrae further along the tail.
Action
Raises the tail, with some sideways movement.
Nerve
Dorsal branches of the caudal spinal nerves.

Written for Vetomica in its own words from the standard reference anatomy of the dog; the books it was checked against are listed below.

What it works on

Bones it takes hold of

Muscles and ligaments it works with

  • Sacrocaudalis dorsalis lateralis
  • Multifidi lumborum
  • Supraspinous ligament

Terminology

English
Medial dorsal sacrocaudal muscle, left, bundle over Cd8–Cd11
Latin (NAV)
Musculus sacrocaudalis dorsalis medialis
Status
A valid term in the Nomina Anatomica Veterinaria

References

Where to read this structure in full, and where the named parts above were read.

  • NAV 2017Myologia
  • Miller's Anatomy of the Dog, 5th ed.The Muscular System: muscles of the tail
  • König & LiebichMuscles of the trunk: muscles of the tail
Join the community