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|Title:||Wrist rehabilitation assisted by an electromyography-driven neuromuscular electrical stimulation robot after stroke|
|Authors:||Hu, XL |
|Keywords:||Neuromuscular electrical stimulation|
|Source:||Neurorehabilitation and neural repair, 2015, v. 29, no. 8, p. 767-776 How to cite?|
|Journal:||Neurorehabilitation and neural repair|
|Abstract:||Background. Augmented physical training with assistance from robot and neuromuscular electrical stimulation (NMES) may introduce intensive motor improvement in chronic stroke. Objective. To compare the rehabilitation effectiveness achieved by NMES robot-assisted wrist training and that by robot-assisted training.|
Methods. This study was a single-blinded randomized controlled trial with a 3-month follow-up. Twenty-six hemiplegic subjects with chronic stroke were randomly assigned to receive 20-session wrist training with an electromyography (EMG)-driven NMES robot (NMES robot group, n = 11) and with an EMG-driven robot (robot group, n = 15), completed within 7 consecutive weeks. Clinical scores, Fugl-Meyer Assessment (FMA), Modified Ashworth Score (MAS), and Action Research Arm Test (ARAT) were used to evaluate the training effects before and after the training, as well as 3 months later. An EMG parameter, muscle co-contraction index, was also applied to investigate the session-by-session variation in muscular coordination patterns during the training.
Results. The improvement in FMA (shoulder/elbow, wrist/hand) obtained in the NMES robot group was more significant than the robot group (P <.05). Significant improvement in ARAT was achieved in the NMES robot group (P <.05) but absent in the robot group. NMES robot-assisted training showed better performance in releasing muscle co-contraction than the robot-assisted across the training sessions (P <.05).
Conclusions. The NMES robot-assisted wrist training was more effective than the pure robot. The additional NMES application in the treatment could bring more improvements in the distal motor functions and faster rehabilitation progress.
|Appears in Collections:||Journal/Magazine Article|
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