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Titre : | Electromyographic biofeedback improves upper extremity function: a randomized, single-blinded, controlled trial (2021) |
Auteurs : | Cristina Lirio-Romero ; Maria Torres-Lacomba ; Antonio Gómez-Blanco ; Alberto Acero-Cortés ; Ana Retana-Garrido ; Pedro de la Villa-Polo ; Beatriz Sánchez-Sánchez |
Type de document : | Article |
Dans : | Physiotherapy (Vol. 110, 2021) |
Article en page(s) : | p. 54-62 |
Note générale : | https://doi.org/10.1016/j.physio.2020.02.002 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Accident vasculaire cérébral (AVC) ; Electromyographie ; Membre supérieur ; Récupération fonctionnelle ; Rétroaction biologique (psychologie) |
Résumé : |
Objective
To examine the effects of a 6-week surface electromyographic biofeedback intervention on the re-learning of upper extremity motor function in subjects with paretic upper extremity after stroke. Design A randomized controlled trial. Setting State Centre of Attention to Brain Injury, Madrid, Spain. Participants Thirty-eight participants in the sub-acute post-stroke stage were recruited and randomly allocated into either the surface electromyographic biofeedback (sEMG-BFB) or sham biofeedback (BFB) groups. Interventions The sEMG-BFB group (n = 19) received the intervention focused on re-learning scapulothoracic control during arm-reaching tasks involving shoulder abduction. The sham BFB group (n = 19) received a sham intervention. Outcome measures Upper extremity motor function assessed using the Fugl-Meyer Assessment-Upper Extremity Scale (66 points), the glenohumeral active range of motion, and the electromyographic amplitude signal of the middle deltoid and upper trapezius muscles were collected at baseline, after the intervention, and at the one-month follow-up. Results Compared with the sham BFB group, the sEMG-BFB group experienced significant increases in upper extremity motor function after the intervention. The mean differences between groups were as follows: 4.79 points (95% CI 2.92 to 6.66) after the intervention; 6.55 points (95% CI 3.75 to 9.34) at the one-month follow-up; improved active range of motion 15.75 points (95% CI 6 to 30) after the intervention and electromyographic activity in the upper trapezius muscle changed in favour of the sEMG-BFB. Conclusions In the short term, a 6-week sEMG-BFB intervention effectively improved paretic upper limb motor function. Future research is needed to determine if the sEMG-BFB intervention has any long-term effects. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S003194062030016X#! |