Low Back Pain- Hip Pain - Adduction by:Jennifer Chu, M.D.

Patients with lower back pain from irritation of the L5 and S1 nerve roots often

have weakness from pain and spasm in the hip abductor muscles and the hip extensor muscles. This allows for imbalanced contraction of the hip adductor muscles since the opposition muscles are weak.

The hip adductors then become tight and shortened. This creates an even more unfavorable condition for the already weakened hip abductor and hip extensor muscles which must contract against tight and shortened hip adductor muscles. This creates a vicious cycle perpetuate the lower back pain symptoms.

The hip adductor muscles are:

* adductor magnus

* adductor brevis

* adductor longus

These muscles are supplied by the obturator nerve from L2, L3 and L4 nerve roots. The adductor magnus is also supplied by the sciatic nerve (L4, L5, S1).

Other muscles that also perform hip adduction are:

* gluteus maximus (lower fibers)

* quadratus femoris.

Gluteus maximus is supplied by the inferior gluteal nerve (L5, S1 especially S1 nerve root).

Quadratus femoris is supplied by the nerve to the quadratus femoris from the sciatic nerve (L4, L5, S1).

2007 copyright all rights reserved http://www.stopmusclepain.com

About the author

Jennifer Chu, M.D., founder of eToims Soft Tissue Comfort Center is also President and CEO of eToims Medical Technology LLC, a medical device company with training programs in eToims Twitch Relief Method. She is an Emeritus Associate Professor in the Department of Physical Medicine and Rehabilitation at the University of Pennsylvania, where has been on faculty for more than 30 years. http://www.stopmusclepain.com

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