Multifidus - Muscle Physiology & Functional Anatomy

 

Multifidus Muscle

Anatomy

 

Origin:

  • Sacrum, sacroiliac ligament, spinous processes of the lumbar, thoracic & last 4 cervical vertebrae

Insertion:

  • Lumbar and cervical spinous processes (up to C2)



Major Artery:

 

Neural Innervation:

  • Posterior primary rami of all spinal nerves

 

Trigger Points:

Multifidus Trigger Points

Cervical Trigger Points of Multifidus

 

 

Physiology

 

Concentric Functions:

  • Acceleration of spinal extension and contralateral rotation

 

Eccentric Functions:

  • Deceleration of spinal flexion and ipsilateral rotation

 

Isometric Function:

  • Stabilization of the lumbar spine

 

Related Muscles

 

Antagonists:

 

Exercises:

 

 


More Images of the Multifidus Muscle

 

Multifidus


More Information about the Multifidus Muscle

The multifidus or multifidi spans three joint segments, and works to stabilize the joints at each segmental level.  Working in a synergy with the transverse abdominus, internal oblique and deep erector spinae, the multifidus muscle and deep stabilize the lumbo-pelvic-hip complex during functional movements.

The multifidus also acts as a nuetralizer counteracting the unwanted actions of other muscles.

 

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