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Changes in flexion-relaxation phenomenon and lumbo-pelvic kinematics following lumbar disc replacement surgery

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O'Shaughnessy, Julie et Roy, Jean-François et Descarreaux, Martin (2013). Changes in flexion-relaxation phenomenon and lumbo-pelvic kinematics following lumbar disc replacement surgery. Journal of NeuroEngineering and Rehabilitation, 10 (1). p. 72. ISSN 1743-0003 DOI 10.1186/1743-0003-10-72

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Résumé

Background: A single group prospective study. Disc prostheses are believed to contribute to the restoration of the segmental movement and the preservation of the adjacent segments. The study's main objective was to determine if changes in neuromuscular patterns assessed using the flexion-relaxation phenomenon (FRP) can be observed following disc replacement surgery. Methods: Fifteen subjects participated in this study they were evaluated before and after lumbar disc replacement surgery. Both assessments included ten repetitions of a trunk flexion and extension movement (with and without a load), where the surface electromyography (EMG) and kinematic data were recorded. Results: Following the disc replacement procedure (17.3 weeks plus or minus 8.4), participants reported a significant reduction in their ODI and FABQ - physical activity scores. Increases in pelvic flexion as well as in erector spinae (ES) muscle activity at L5 in the flexion phase were observed. Following the disc replacement surgery, ES activity at L2 decreased during the quiet standing position. Conclusion: The results of this study suggest that although improvements in disability scores and fear-avoidance related to physical activities scores were noted after a disc replacement surgery, the lumbar ROM was not modified. Nevertheless, a significant increase in the hip ROM during the flexion-extension task as well as an increase in ES muscle activity in flexion was observed following surgery. The VAS, FABQ I and ODQ scores were positively correlated with change in the muscular activities during the FRP.

Type de document: Article
Mots-clés libres: Kinematics Data Processing Rehabilitation Physical Activity Muscles Intervertebral Discs Repetition Pelvis Surgery Preservation Emg Hip Prosthetics Neurophysiology & Biophysics Low Back Pain Disc Prosthesis Degenerative Disc Disease Flexion-Relaxation Phenomenon Lumbar Kinematics
Date de dépôt: 04 avr. 2019 19:53
Dernière modification: 04 avr. 2019 19:53
Version du document déposé: Version officielle de l'éditeur
URI: http://depot-e.uqtr.ca/id/eprint/8640

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