Please use this identifier to cite or link to this item: https://hdl.handle.net/10321/2198
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dc.contributor.advisorMathews, Robert-
dc.contributor.authorBeffa, Robertoen_US
dc.date.accessioned2017-01-31T06:49:58Z
dc.date.available2017-01-31T06:49:58Z
dc.date.issued1997-
dc.identifier.otherDIT41870-
dc.identifier.other54992-
dc.identifier.urihttp://hdl.handle.net/10321/2198-
dc.descriptionA dissertation in partial compliance with the requirements for a Master's Degree in Technology in Chiropractic at Technikon Natal, Durban, South Africa, 1997.en_US
dc.description.abstractCavitation sounds heard during chiropractic adjustments and manipulations to th extension spine are a common phenomena yet their significance is disputed, the mechanism of their production is a matter of speculation, and their origin has never been localized. (Lewit 1978: 4, Grieve 1989; 525) The purpose of this study was to locate the joints which cavitate during the performance of a L5 spinous hook adjustment and a lower sacroiliac adjustment. It was hypothesised that the cavitation sounds would arise from the L4-L5 and L5-S1facets on the side of contact during the L5 hook adjustment., and from the the sacroiliac joint on the side being adjusted during the lower sacroiliac adjustment. It was also hypothesised that the two adjustments would differ significantly in terms of the cavitation sounds produced. Volunteers were screened for agreement with the inclusion criteria. Of these 30 asymptomatic between the ages of 18 and 30 were selected. This was sample was then randomly divided into two groups of, one of which recieved the L5 hook adjustment and the other the lower sacroiliac adjustment. All of the subjects had eight microphones taped to the skin, over the relevant facets and the sacroiliac joints. Radiographic confirmation was used in order to ensure proper positioning of the microphones. The microphones were then connected to filters, amplifiers and a computer which recorded any sound signals registered during the adjustments.en_US
dc.format.extent82 pen_US
dc.language.isoenen_US
dc.subject.lcshChiropractic.en_US
dc.subject.lcshCavitation noise.en_US
dc.subject.lcshSpinal adjustment.en_US
dc.titleInvestigation into the origin of cavitation sounds during spinal manipulationen_US
dc.typeThesisen_US
dc.description.levelMen_US
dc.identifier.doihttps://doi.org/10.51415/10321/2198-
item.languageiso639-1en-
item.openairetypeThesis-
item.cerifentitytypePublications-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
item.grantfulltextopen-
Appears in Collections:Theses and dissertations (Health Sciences)
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