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Letters and Responses |
To the Editor:
Appreciation of the fact that low back pain may be the result of sacroiliac dysfunction has been only recently appreciated thanks to work by Kirkaldy-Willis and Erhard and Bowling. In his article "Function and Pathomechanics of the Sacroiliac Joint: A Review" (January 1985), DonTigny reminds us to examine this region in patients with low back pain. In this regard his thoughts are welcome. We have some differences in opinion, however, as to the biomechanical interpretations presented.
Anterior torsional movements of one innominate on the sacrum seem to be precluded by the dimension of width of the anterior sacral surface. It appears that a bony block would most likely be the result of the anterior iliac torsion with only occasional positional joint changes. DonTigny implies that a substantial majority of his patients had anterior subluxations. It seems more logical that the bony block causes posterior moment or posterior innominate on the opposite sacroiliac joint....
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Physical Therapy 1985 65: 35-44.
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