Yeeeeah...first of all, this gal is taking a study that applies to a specific type of intervention and applying it to all of chiropractic with the absurdly unqualified statement of "The good news here is that virtually all chiropractors are very well trained to correct atlas/C1 misalignments."

So it's garbage to begin with.

Secondly, I'll see your meager 582 participant garbage study, mcrislip, and raise you a current 38,000,000: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC44700...

Not to mention the fact that the procedure used in the study this gal is hijacking involves no extension, rotation, or high velocity thrust...

I swear...the internet makes not being an ignorant moron exhausting...not to mention the fact that I'm hopelessly outnumbered.