Inter-spinous process muscle

Synonyms

Latin: Interspinous muscles
English: interspinal muscles

Synergists: Erector spinae muscle
Antagonists:Rectus abdominis muscle

definition

The Interspinous muscles are short, paired muscles of the back.
They belong to the medial tract of the erector spinae muscle (back extensor)

course

Approach: Spinous processes of the spine

Origin: Spinous processes of the spine

Innervation: Rami dorsales of the spinal nerves

function

The intermediate spinous process muscles stabilize the spine and, as part of the eretor spinae muscle (back extensor), straighten the spine.