MULTIFIDI

Multifidi muscle

Origin of Multifidi

Sacrum, Erector spinae Aponeurosis, PSIS, and Iliac crest.

Insertion of Multifidi

Spinous process.

Muscle Action/Function of Multifidi

Provides proprioceptive feedback and input due to high muscle spindle density; Bilateral backward extension, unilateral side-bending to the ipsilateral side and rotation to the contralateral side.

Arterial (Blood) Supply of Multifidi

Supplied segmentally by deep cervical artery, posterior intercostal arteries, subcostal arteries, lumbar arteries.

Multifidi Video

Multifidi Muscles

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