The Knee: Reconstruction, Replacement  and Revision Tracking Pixel
Duke Orthopaedics
presents
Wheeless' Textbook of Orthopaedics

Multifidus



- a series of pairs of muscles of small muscles extending the full length of the spine just superficial to the rotators and each spanning 2 or 3
    intervertebral spaces before inserting;
 origin: posterior surface of the sacrum, the dorsal end of the iliac crest, the transverse processes of the lumbar and the thoracic vertebrae 
         and the articular processes of the 4th to the 7th vertebrae;
 insertion: spinous processes of all the vertebrae except the atlas;
 action: acting unilaterally, lateral flexion and rotation to the opposite side; acting bilaterally, extension and hyperextension of the spine;
 nerve supply: posterior rami of the spinal nerves;
 synergists: rotators, InterspinalesIntertransversarii groups



Original Text by Clifford R. Wheeless, III, MD.

Last updated by Data Trace Staff on Tuesday, August 16, 2011 12:20 pm