Musculi multifidi (Singular Musculus multifidus, from lat. split many times; 'feathered muscle') are described as short, tendinous skeletal muscles which run along the spine from the sacrum to the axis covering all three spinal segments. They are part of the group of transversospinales, a muscle group whose purpose is to stabilize the segmented vertebrae found in all mammals.
Musculi multifidi:
Multi-articulated muscle, the multifidi
Musculi multifidi
Origin Sacrum, Erector spinae Aponeurosis, PSIS, and Iliac crest Insertion spinous process Function Stabilization of the spine Innervation Posterior branches of spinal nerves