Effect of experimental low back pain on neuromuscular control of the trunk in healthy volunteers and patients with chronic low back pain

Dubois, Jacques; Piché, Mathieu; Cantin, Vincent; Descarreaux, Martin

doi:10.1016/j.jelekin.2011.05.004

Cited by 50 publications

(68 citation statements)

References 21 publications

(32 reference statements)

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“…Another limitation of the present study is that heat pain induced by experimental activation of skin nociceptors may produce different physiologic effects and behavioral responses compared with clinical pain arising from musculoskeletal structures. Notwithstanding this possibility, however, the present results and those of a previous study 17 show that cutaneous heat pain is an appropriate model to produce the neuromechanical changes usually observed in patients with chronic LBP and in healthy volunteers experiencing acute muscle pain. 26 …”

Section: Study Limitationssupporting

confidence: 48%

“…The belt was designed to prevent movement restraint and interference with light-emitting diodes used for kinematics assessment. 17 Participants received 3 different stimulations: control, low-intensity noxious stimulation, and high-intensity noxious stimulation. A warm but innocuous stimulation set to 40°C was used as control stimulation for all participants.…”

Section: Thermal Cutaneous Stimulationmentioning

confidence: 99%

“…Because no difference was observed (P N .05), left and right EMG data were averaged for each segment (L4 and L5 and L2 and L3). 17,21 A motion analysis system (Optotrak Certus; Northern Digital, Waterloo, Ontario, Canada) was used to perform the kinematic data acquisition. Kinematic markers were positioned on the right side of the participant on 8 specific anatomical landmarks: (a) external malleolus, (b) Gerdy Fig 1. Experimental protocol is presented.…”

Section: Data Acquisitionmentioning

confidence: 99%

“…The trunk flexion and extension amplitudes were both divided in quartiles (Q1-Q4) for which each L/H ratio was computed. 3,17,21 …”

Section: Data Acquisitionmentioning

confidence: 99%

“…These results are in accordance with previous findings showing that experimental LBP triggers neuromuscular and kinematic adaptations that are similar to those observed in chronic LBP populations. 17,26,27 The original question of this study was to assess whether these changes could be affected by expectations. Using the same individually adjusted stimulus intensity, participants were expecting either low pain or high pain in 2 conditions.…”

Section: Alteration Of Neuromuscular and Kinematic Responses By Expecmentioning

confidence: 99%

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Modulation of Pain-Induced Neuromuscular Trunk Responses by Pain Expectations: A Single Group Study

Tétreau

Dubois

Piché

et al. 2012

Journal of Manipulative and Physiological Therapeutics

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Section: Study Limitationssupporting

confidence: 48%

Section: Thermal Cutaneous Stimulationmentioning

confidence: 99%

Section: Data Acquisitionmentioning

confidence: 99%

“…The trunk flexion and extension amplitudes were both divided in quartiles (Q1-Q4) for which each L/H ratio was computed. 3,17,21 …”

Section: Data Acquisitionmentioning

confidence: 99%

Section: Alteration Of Neuromuscular and Kinematic Responses By Expecmentioning

confidence: 99%

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Modulation of Pain-Induced Neuromuscular Trunk Responses by Pain Expectations: A Single Group Study

Tétreau

Dubois

Piché

et al. 2012

Journal of Manipulative and Physiological Therapeutics

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From protection to non‐protection: A mixed methods study investigating movement, posture and recovery from disabling low back pain

Wernli

Smith

Coll

et al. 2022

European Journal of Pain

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Background Movement and posture are commonly believed to relate to low back pain (LBP). Yet, we know little about how people make sense of the relationship between their LBP, movement and posture, particularly after recovery. We aimed to qualitatively explore this understanding, how it changes and how it relates to quantitative changes. Methods A mixed method study in the context of an existing single‐case design involving 12 people with disabling non‐specific LBP. Interviews were conducted before and after a 12‐week physiotherapy‐led Cognitive Functional Therapy intervention, and qualitative findings from these were integrated with individualized, quantitative measures of movement, posture, psychological factors, pain and activity limitation. Results Strong beliefs about movement and posture were identified during the baseline interviews. Lived experiences of tension and stiffness characterized the embodiment of ‘nonconscious protection’, while healthcare and societal messages prompted pain‐related fear and ‘conscious protection’. Through varied journeys, most participants reported improvements over time with less protective movement and postural strategies. For some, being less protective required focused attention (‘conscious non‐protection’), but most returned to automatic, normal and fearless patterns (‘nonconscious non‐protection’), forgetting about their LBP. One participant reported no meaningful shift, remaining protective. Greater spinal range, faster movement, more relaxed postures and less back muscle EMG accompanied positive changes in self‐report factors. Conclusion The findings offer a framework for understanding how people make sense of movement and posture during the process of recovery from persistent, disabling non‐specific LBP. This involved a re‐conceptualisation of movement and posture, from threatening, to therapeutic. Significance Findings from qualitative interviews before and after a Cognitive Functional Therapy intervention in 12 people with disabling low back pain highlighted an individualized recovery journey from conscious and nonconscious protection to conscious non‐protection for some, and nonconscious non‐protection for many. Pre and post‐quantitative measures of movement, posture, psychological factors, pain and activity limitation integrated well with the qualitative findings. The findings suggest movement and posture may form part of a multidimensional pain schema.

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Impaired neural drive in patients with low back pain

Chiou

Shih

Chou

et al. 2013

European Journal of Pain

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Effect of experimental low back pain on neuromuscular control of the trunk in healthy volunteers and patients with chronic low back pain

Cited by 50 publications

References 21 publications

Modulation of Pain-Induced Neuromuscular Trunk Responses by Pain Expectations: A Single Group Study

Modulation of Pain-Induced Neuromuscular Trunk Responses by Pain Expectations: A Single Group Study

From protection to non‐protection: A mixed methods study investigating movement, posture and recovery from disabling low back pain

Impaired neural drive in patients with low back pain

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