An initial investigation into the effect of pain relief on lumbar kinematics and electromyography in low back pain sufferers

Hdl Handle:
http://hdl.handle.net/10142/279057
Title:
An initial investigation into the effect of pain relief on lumbar kinematics and electromyography in low back pain sufferers
Authors:
Williams, Jonathan Mark
Abstract:
Motion and motor patterns of low back pain (LBP) sufferers have been demonstrated as different compared to those without LBP. The mechanism behind such movement alterations is not well known but is believed to be related to pain. Current biomechanical measurement of lumbar curvature and kinematics has limitations for routine clinical use. The aims of this research were to (1) investigate new motion analysis technology for dynamic lumbar curvature (fibre-optic sensors) and higher order kinematic assessment (inertial sensors) within a clinical environment; (2) determine the effect of pain relief on lumbar curvature, kinematics and muscle function in acute low back pain (ALBP) and chronic low back pain (CLBP) sufferers. Dynamic lumbar curvature was found to be reliably measureable in the clinic. Additional analysis demonstrated that regional curvature, as well as sequencing of curvature change measurement was possible. ALBP sufferers display less peak curvature during flexion and lifting compared to CLBP sufferers and both groups demonstrated the greatest curvature change in the second quartile for flexion and lifting and first for extension. Partial pain relief did not increase curvature in either group, and neither group was more likely to respond to pain relief by increasing curvature or altering sequencing. Higher order kinematics could be reliably and readily indentified in the clinic using inertial sensors. Movement-velocity plots were employed to describe the movement trajectory and irregularity. Multivariate analysis of variance revealed that neither partial pain relief (pre vs post) nor chronicity (acute vs chronic) had any effect on lumbar kinematics. Individuals appeared to exhibit different electromyography profiles. Those individuals with little deviation in muscle activation commonly displayed lower kinematic values. Partial pain relief did not alter the pattern of EMG profile, muscle onset timing or peak amplitude. These results suggest that clinicians should not expect automatic alterations in motion and motor patterns following interventions which target and achieve partial pain relief.
Publisher:
Roehampton University
Issue Date:
2011
URI:
http://hdl.handle.net/10142/279057
Type:
Thesis or dissertation
Language:
en
Appears in Collections:
PhD Theses

Full metadata record

DC FieldValue Language
dc.contributor.authorWilliams, Jonathan Marken_GB
dc.date.accessioned2013-04-05T08:44:38Z-
dc.date.available2013-04-05T08:44:38Z-
dc.date.issued2011-
dc.identifier.urihttp://hdl.handle.net/10142/279057-
dc.description.abstractMotion and motor patterns of low back pain (LBP) sufferers have been demonstrated as different compared to those without LBP. The mechanism behind such movement alterations is not well known but is believed to be related to pain. Current biomechanical measurement of lumbar curvature and kinematics has limitations for routine clinical use. The aims of this research were to (1) investigate new motion analysis technology for dynamic lumbar curvature (fibre-optic sensors) and higher order kinematic assessment (inertial sensors) within a clinical environment; (2) determine the effect of pain relief on lumbar curvature, kinematics and muscle function in acute low back pain (ALBP) and chronic low back pain (CLBP) sufferers. Dynamic lumbar curvature was found to be reliably measureable in the clinic. Additional analysis demonstrated that regional curvature, as well as sequencing of curvature change measurement was possible. ALBP sufferers display less peak curvature during flexion and lifting compared to CLBP sufferers and both groups demonstrated the greatest curvature change in the second quartile for flexion and lifting and first for extension. Partial pain relief did not increase curvature in either group, and neither group was more likely to respond to pain relief by increasing curvature or altering sequencing. Higher order kinematics could be reliably and readily indentified in the clinic using inertial sensors. Movement-velocity plots were employed to describe the movement trajectory and irregularity. Multivariate analysis of variance revealed that neither partial pain relief (pre vs post) nor chronicity (acute vs chronic) had any effect on lumbar kinematics. Individuals appeared to exhibit different electromyography profiles. Those individuals with little deviation in muscle activation commonly displayed lower kinematic values. Partial pain relief did not alter the pattern of EMG profile, muscle onset timing or peak amplitude. These results suggest that clinicians should not expect automatic alterations in motion and motor patterns following interventions which target and achieve partial pain relief.en_GB
dc.description.provenanceSubmitted by Phil Jones (philip.jones@roehampton.ac.uk) on 2013-04-05T08:44:16Z No. of bitstreams: 3 Jon Williams PhDThesis_Final.pdf: 2429395 bytes, checksum: 6972e90ce8b19537c5831aa106e1c734 (MD5) license_rdf: 20325 bytes, checksum: c7f3e3c064c19e93e905bbb07856484c (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)en
dc.description.provenanceApproved for entry into archive by Phil Jones (philip.jones@roehampton.ac.uk) on 2013-04-05T08:44:38Z (GMT) No. of bitstreams: 3 Jon Williams PhDThesis_Final.pdf: 2429395 bytes, checksum: 6972e90ce8b19537c5831aa106e1c734 (MD5) license_rdf: 20325 bytes, checksum: c7f3e3c064c19e93e905bbb07856484c (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)en
dc.description.provenanceMade available in DSpace on 2013-04-05T08:44:38Z (GMT). No. of bitstreams: 3 Jon Williams PhDThesis_Final.pdf: 2429395 bytes, checksum: 6972e90ce8b19537c5831aa106e1c734 (MD5) license_rdf: 20325 bytes, checksum: c7f3e3c064c19e93e905bbb07856484c (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2011en
dc.language.isoenen
dc.publisherRoehampton Universityen
dc.subjectLow back painen_GB
dc.subjectMotion analysis technologyen_GB
dc.titleAn initial investigation into the effect of pain relief on lumbar kinematics and electromyography in low back pain sufferersen_GB
dc.typeThesis or dissertationen
dc.type.qualificationnamePhDen
dc.type.qualificationlevelDoctoralen
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