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The relationship of the audible pop to hypoalgesia associated with high-velocity, low-amplitude thrust manipulation: a secondary analysis of an experimental study in pain-free participants.

Publication ,  Journal Article
Bialosky, JE; Bishop, MD; Robinson, ME; George, SZ
Published in: J Manipulative Physiol Ther
February 2010

OBJECTIVE: High-velocity, low-amplitude (HVLA) manipulation is an effective treatment of low back pain (LBP); however, the corresponding mechanisms are undetermined. Hypoalgesia is associated with HVLA manipulation and suggests specific mechanisms of action. An audible pop (AP) is also associated with HVLA manipulation; however, the influence of the AP on the hypoalgesia associated with HVLA manipulation is not established. The purpose of the current study was to observe the influence of the AP on hypoalgesia associated with HVLA manipulation. METHODS: The current study represents a secondary analysis of 40 participants. All participants underwent thermal pain sensitivity testing to their leg and low back using protocols specific to A delta fiber-mediated pain and temporal summation. Next, participants received HVLA manipulation to their low back, and the examiner recorded whether an AP was perceived. Finally, participants underwent immediate follow-up thermal pain sensitivity testing using the same protocols. Separate repeated-measure analyses of variance (ANOVAs) were used to observe changes in pain sensitivity before and immediately after HVLA manipulation. RESULTS: Hypoalgesia of A delta fiber-mediated pain was observed in the low back after HVLA (P < .05), and this was independent of whether an AP was perceived (P > .05). Hypoalgesia of temporal summation was observed in the lower extremity after HVLA (P < .05), and this was independent of whether an AP was perceived (P = .08). However, a moderate effect size for temporal summation was observed favoring participants in whom an AP was perceived. CONCLUSION: The current study suggests hypoalgesia is associated with HVLA manipulation and occurs independently of a perceived AP. Inhibition of lower extremity temporal summation may be larger in individuals in whom an AP is perceived, but further study is necessary to confirm this finding.

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Published In

J Manipulative Physiol Ther

DOI

EISSN

1532-6586

Publication Date

February 2010

Volume

33

Issue

2

Start / End Page

117 / 124

Location

United States

Related Subject Headings

  • Young Adult
  • Time Factors
  • Sound
  • Physical Stimulation
  • Pain Threshold
  • Pain
  • Orthopedics
  • Nerve Fibers
  • Manipulation, Spinal
  • Male
 

Citation

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ICMJE
MLA
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Bialosky, J. E., Bishop, M. D., Robinson, M. E., & George, S. Z. (2010). The relationship of the audible pop to hypoalgesia associated with high-velocity, low-amplitude thrust manipulation: a secondary analysis of an experimental study in pain-free participants. J Manipulative Physiol Ther, 33(2), 117–124. https://doi.org/10.1016/j.jmpt.2009.12.008
Bialosky, Joel E., Mark D. Bishop, Michael E. Robinson, and Steven Z. George. “The relationship of the audible pop to hypoalgesia associated with high-velocity, low-amplitude thrust manipulation: a secondary analysis of an experimental study in pain-free participants.J Manipulative Physiol Ther 33, no. 2 (February 2010): 117–24. https://doi.org/10.1016/j.jmpt.2009.12.008.
Bialosky, Joel E., et al. “The relationship of the audible pop to hypoalgesia associated with high-velocity, low-amplitude thrust manipulation: a secondary analysis of an experimental study in pain-free participants.J Manipulative Physiol Ther, vol. 33, no. 2, Feb. 2010, pp. 117–24. Pubmed, doi:10.1016/j.jmpt.2009.12.008.
Journal cover image

Published In

J Manipulative Physiol Ther

DOI

EISSN

1532-6586

Publication Date

February 2010

Volume

33

Issue

2

Start / End Page

117 / 124

Location

United States

Related Subject Headings

  • Young Adult
  • Time Factors
  • Sound
  • Physical Stimulation
  • Pain Threshold
  • Pain
  • Orthopedics
  • Nerve Fibers
  • Manipulation, Spinal
  • Male