Those Multifidi

The multifidi are important proprioceptive sentinels for the low back, as well as the rest of the body, for virtually every activity you do weight bearing, including gait. They are implicated in many instances of low back pain, especially folks with flexion or extension intolerance, since their fiber orientation and thus mechanical advantage (or disadvantage) is dependent upon whether or not you are maintaining a normal lumbar lordosis.

Modalities which boost their function are an excellent adjunct to the rehabilitation process. Since they are not under volitional control (go ahead, try and contract your L2/L3 multifidus), they are innervated by the vestibulospinal tract and we must use proprioceptive work to engage them. Dry Needling is one modality that can help them to become functional again.

RESULTS and CONCLUSION:
“Significant difference was found in the percentage of change of muscle activation post needling between groups on the right side at level L4-5. A slight increase in the percentage of muscle activity, post procedure was observed in the dry needling group compared with the control group, although not significant in other segments examined. An improvement of back muscle function following dry needling procedure in healthy individuals was found. This implies that dry needling might stimulate motor nerve fibers and as such increase muscle activity.”

see also our post here.

J Back Musculoskelet Rehabil. 2015 Sep 6. [Epub ahead of print]
The immediate effect of dry needling on multifidus muscles’ function in healthy individuals. Dar G1,2, Hicks GE3.

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