Saturday, 13 June 2015 16:32

Research Proves Chiropractic Adjustments Affect Multiple Areas, Not Just the Area Treated: THE BRAIN CONNECTION

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Research Proves Chiropractic Adjustments Affect Multiple Areas, Not Just the Area Treated: THE BRAIN CONNECTION

 

(i.e.) Neck Treatment Reduces Pain in Low Back

 

A report on the scientific literature 


 

By: Mark Studin DC, FASBE(C), DAAPM, DAAMLP

William J. Owens DC, DAAMLP

 

It is a very common scenario historically and in contemporary chiropractic offices where patients come to get treated for one body part and another body part feels better. To be more specific a patient will come in with neck pain as their primary complaint and upon treating that neck problem with chiropractic spinal adjustment their low back feels better. Through the years many patients have considered this a “miracle” and the doctor of chiropractic simply accepted this clinical finding as an everyday experience with no concrete answers. Thanks to contemporary research, there are answers.

 

Coronado et al. (2012) reported that, “Reductions in pain sensitivity, or hypoalgesia, following SMT [spinal manipulative therapy or the chiropractic adjustment] may be indicative of a mechanism related to the modulation of afferent input or central nervous system processing of pain” (p. 752). This indicates that the chiropractic spinal adjustment reduces pain by effecting the thalamus and descending central pain pathways and effects multiple areas of the body, not just the area directly treated.

 

 

One of the main questions asked by Coronado et al. (2012) “…was whether SMT (chiropractic adjustments) elicits a general response on pain sensitivity or whether the response is specific to the area where SMT is applied. For example, changes in pain sensitivity over the cervical facets following a cervical spine SMT would indicate a local and specific effect while changes in pain sensitivity in the lumbar facets following a cervical spine SMT would suggest a general effect. We observed a favorable change for increased PPT [pressure pain threshold] when measured at remote anatomical sites and a similar, but non-significant change at local anatomical sites. These findings lend support to a possible general effect of SMT beyond the effect expected at the local region of SMT application (p. 762).

 

Reed, Pickar, Sozio, and Long (2014) reported:

 

…forms of manual therapy have been clinically shown to increase mechanical pressure pain thresholds (i.e., decrease sensitivity) in both symptomatic and asymptomatic subjects.Cervical spinal manipulation has been shown to result in unilateral as well as bilateral mechanical hypoalgesia. Compared with no manual therapy, oscillatory spinal manual therapy at T12 and L4 produced significantly higher paraspinal pain thresholds at T6, L1, and L3 in individuals with rheumatoid arthritis. The immediate and widespread hypoalgesia associated with manual therapy treatments has been attributed to alterations in peripheral and/or central pain processing including activation of descending pain inhibitory systems. Increasing evidence from animal models suggests that manual therapy activates the central nervous system and, in so doing, affects areas well beyond those being treated. (p. 277)

 

 

We are now starting to get answers and reasons for what was once considered “miracles.” The research has verified that the chiropractic adjustment does not deliver miracles, it only helps the body work better and we now know why.

 

 

We also know that chiropractic is one of the safest treatments currently available in healthcare and when there is a treatment where the potential for benefits far outweighs any risk, it deserves serious consideration.  Whedon, Mackenzie, Phillips, and Lurie (2015) based their study on 6,669,603 subjects after the unqualified subjects had been removed from the study and accounted for 24,068,808 office visits. They concluded, “No mechanism by which SM [spinal manipulation] induces injury into normal healthy tissues has been identified (Whedon et al., 2015, p. 5) 

 

References:

  1. Coronado, R. A., Gay, C. W., Bialosky, J. E., Carnaby, G. D., Bishop, M. D., & George, S. Z.
  2. Reed, W. R., Pickar, J. G., Sozio, R. S., & Long, C. R. (2014). Effect of spinal manipulation thrust magnitude on trunk mechanical activation thresholds of lateral thalamic neurons. Journal of Manipulative and Physiological Therapeutics, 37
  3. Whedon, J. M., Mackenzie, T. A., Phillips, R. B., & Lurie, J. D. (2015). Risk of traumatic injury associated with chiropractic spinal manipulation in Medicare Part B beneficiaries aged 66-69 years. Spine, 40(4), 264-270.

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