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Medial lumbar intertransversarii
Other Terms:
Intertransversarii lumborum medialis,
Medial lumbar intertransversarii,
Medial lumbar intertransversarii set,
Set of medial lumbar intertransversarii,
Musculi intertransversarii mediales lumborum,
Muscle intertransversaires médiaux des lombes
Muscle parts
None
Latin name
Musculi intertransversarii mediales lumborum
Latin muscle parts
None
Group
Epaxial muscle – Intertransversarii
Etymology
In English, this muscle’s name is the middle muscle between the crosswise processes of the loin vertebrae. The word intertransversarii comes from the Latin inter meaning “between” and the Latin term transversus for “crosswise,” which comes from Latin trans meaning “across, beyond, or through” and the Latin verb vertere meaning “to turn.” It is used in reference to the transverse processes of the vertebrae. Lumborum comes from the Latin lumbus for “loin.” The Latin term medialis is derived from the Latin medius meaning “middle.”
Origin
Accessory processes of lumbar vertebrae two through five
Insertion
Mamillary processes of lumbar vertebrae one through four
Action
Possibly weakly assist with extension of the lumbar vertebrae. They are most likely proprioceptive transducers that monitor the position and movements of the vertebral column and provide feedback that influences the activity of the larger multisegmental muscles of the vertebral column.
Nerve supply
Dorsal rami of lumbar spinal nerves (L1 to L5)
Blood supply
Lumbar arteries from the abdominal aorta.
Latin
Musculi intertransversarii mediales lumborum
French
Muscle intertransversaires médiaux des lombes
