Medical Definition of Multifidus
1.
Origin, from the sacrum, sacroiliac ligament, mamillary processes of the lumbar vertebrae, transverse processes of thoracic vertebrae, and articular processes of last four cervical vertebrae; insertion, into the spinous processes of all the vertebrae up to and including the axis; action, rotates vertebral column; nerve supply, dorsal primary rami of spinal nerves.
Synonym: musculus multifidus, intermediate layer of the transversospinalis muscles, musculus multifidus spinae.
(05 Mar 2000)
Lexicographical Neighbors of Multifidus
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