scholarly journals Quantitative Analysis of EEG Power Spectrum and EMG Median Power Frequency Changes after Continuous Passive Motion Mirror Therapy System

Sensors ◽  
2020 ◽  
Vol 20 (8) ◽  
pp. 2354
Author(s):  
Taewoong Park ◽  
Mina Lee ◽  
Taejong Jeong ◽  
Yong-Il Shin ◽  
Sung-Min Park
Keyword(s):  
Muscle Fatigue ◽  
Brain Activation ◽  
Sensory Stimulation ◽  
Continuous Passive Motion ◽  
Mu Rhythm ◽  
Mirror Therapy ◽  
Action Execution ◽  
Passive Motion ◽  
Power Frequency ◽  
Median Power Frequency

Robotic mirror therapy (MT), which allows movement of the affected limb, is proposed as a more effective method than conventional MT (CMT). To improve the rehabilitation effectiveness of post-stroke patients, we developed a sensory stimulation-based continuous passive motion (CPM)-MT system with two different operating protocols, that is, asynchronous and synchronous modes. To evaluate their effectiveness, we measured brain activation through relative and absolute power spectral density (PSD) changes of electroencephalogram (EEG) mu rhythm in three cases with CMT and CPM-MT with asynchronous and synchronous modes. We also monitored changes in muscle fatigue, which is one of the negative effects of the CPM device, based on median power frequency (MPF) and root mean square (RMS). Relative PSD was most suppressed when subjects used the CPM-MT system under synchronous control: 22.11%, 15.31%, and 16.48% on Cz, C3, and C4, respectively. The absolute average changes in MPF and RMS were 1.59% and 9.78%, respectively, with CPM-MT. Synchronous mode CPM-MT is the most effective method for brain activation, and muscle fatigue caused by the CPM-MT system was negligible. This study suggests the more effective combination rehabilitation system for MT by utilizing CPM and magnetic-based MT task to add action execution and sensory stimulation compared with CMT.

Effect of Mirror Therapy on mu rhythm of Electroencephalogram Signals

2015 ◽  
Vol 25 (4) ◽  
pp. 5
Author(s):  
Xuefeng LIU ◽  
Weilin LIU ◽  
Qiurong XIE ◽  
Jian HE
Keyword(s):  
Mu Rhythm ◽  
Mirror Therapy

scholarly journals Design and Development of Continuous Passive Motion (CPM) for Fingers and Wrist Grounded-Exoskeleton Rehabilitation System

2021 ◽  
Vol 11 (2) ◽  
pp. 815
Author(s):  
Husam Almusawi ◽  
Géza Husi
Keyword(s):  
Experimental Testing ◽  
Hand Movement ◽  
Evaluation Process ◽  
Continuous Passive Motion ◽  
Wrist Flexion ◽  
Design And Development ◽  
Passive Motion ◽  
Assistive Robots ◽  
Flexion Extension ◽  
Design Characteristics

Impairments of fingers, wrist, and hand forearm result in significant hand movement deficiencies and daily task performance. Most of the existing rehabilitation assistive robots mainly focus on either the wrist training or fingers, and they are limiting the natural motion; many mechanical parts associated with the patient’s arms, heavy and expensive. This paper presented the design and development of a new, cost-efficient Finger and wrist rehabilitation mechatronics system (FWRMS) suitable for either hand right or left. The proposed machine aimed to present a solution to guide individuals with severe difficulties in their everyday routines for people suffering from a stroke or other motor diseases by actuating seven joints motions and providing them repeatable Continuous Passive Motion (CPM). FWRMS approach uses a combination of; grounded-exoskeleton structure to provide the desired displacement to the hand’s four fingers flexion/extension (F/E) driven by an indirect feed drive mechanism by adopting a leading screw and nut transmission; and an end-effector structure to provide angular velocity to the wrist flexion/ extension (F/E), wrist radial/ulnar deviation (R/U), and forearm supination/pronation (S/P) driven by a rotational motion mechanism. We employed a single dual-sided actuator to power both mechanisms. Additionally, this article presents the implementation of a portable embedded controller. Moreover, this paper addressed preliminary experimental testing and evaluation process. The conducted test results of the FWRMS robot achieved the required design characteristics and executed the motion needed for the continuous passive motion rehabilitation and provide stable trajectories guidance by following the natural range of motion (ROM) and a functional workspace of the targeted joints comfortably for all trainable movements by FWRMS.

Early Experience with Hand Continuous Passive Motion

1993 ◽  
Vol 1 (1) ◽  
pp. 19-23
Author(s):  
Steve Morris ◽  
Amis Freiberg ◽  
Leonard Harris
Keyword(s):  
Range Of Motion ◽  
Clinical Experience ◽  
Treatment Modality ◽  
Early Experience ◽  
Objective Evaluation ◽  
Continuous Passive Motion ◽  
Hand Trauma ◽  
Toronto Western Hospital ◽  
Passive Motion

S Morris, a Freiberg, L Harris. Early experience with hand continuous passive motion. Can J Plast Surg 1993; 1 (1): 19-23. Clinical experience with continuous passive motion (CPM) has increased in recent years. However, little information is available in the literature of objective evaluation of the results obtained using this treatment modality. The purpose of this study was to review both the indications for hand CPM at the Toronto Western Hospital. Toronto. Ontario, and the course and the outcome of the patients treated. Between 1984 and 1989 the Mobilimb H1 CPM was used on 43 patients for a mean period of 39±6 days (mean total hours of CPM 741+84 h). Indications for hand CPM included hand trauma, capsulectomy and tenolysis and other hand conditions. Mean follow-up was 32+3 months. Overall, hand CPM was well tolerated and highly effective in relieving hand pain and increasing active and passive range of motion. Compliance was excellent.

scholarly journals A Comparison Between Electromyography-Driven Robot and Passive Motion Device on Wrist Rehabilitation for Chronic Stroke

2009 ◽  
Vol 23 (8) ◽  
pp. 837-846 ◽  
Author(s):  
Xiao Ling Hu ◽  
Kai-yu Tong ◽  
Rong Song ◽  
Xiu Juan Zheng ◽  
Wallace W. F. Leung
Keyword(s):  
Biceps Brachii ◽  
Wrist Joint ◽  
Chronic Stroke ◽  
Continuous Passive Motion ◽  
Muscle Coordination ◽  
Training Effects ◽  
Study Objective ◽  
Passive Motion ◽  
Activation Level ◽  
Passive Group

Background. The effect of using robots to improve motor recovery has received increased attention, even though the most effective protocol remains a topic of study. Objective . The objective was to compare the training effects of treatments on the wrist joint of subjects with chronic stroke with an interactive rehabilitation robot and a robot with continuous passive motion. Methods. This study was a single-blinded randomized controlled trial with a 3-month follow-up. Twenty-seven hemiplegic subjects with chronic stroke were randomly assigned to receive 20-session wrist training with a continuous electromyography (EMG)-driven robot (interactive group, n = 15) and a passive motion device (passive group, n = 12), completed within 7 consecutive weeks. Training effects were evaluated with clinical scores by pretraining and posttraining tests (Fugl-Meyer Assessment [FMA] and Modified Ashworth Score [MAS]) and with session-by-session EMG parameters (EMG activation level and co-contraction index). Results. Significant improvements in FMA scores (shoulder/elbow and wrist/hand) were found in the interactive group ( P < .05). Significant decreases in the MAS were observed in the wrist and elbow joints for the interactive group and in the wrist joint for the passive group ( P < .05). These MAS changes were associated with the decrease in EMG activation level of the flexor carpi radialis and the biceps brachii for the interactive group ( P < .05). The muscle coordination on wrist and elbow joints was improved in the interactive groups in the EMG co-contraction indexes across the training sessions ( P < .05). Conclusions. The interactive treatment improved muscle coordination and reduced spasticity after the training for both the wrist and elbow joints, which persisted for 3 months. The passive mode training mainly reduced the spasticity in the wrist flexor.

The Changes in Intramuscular Pressure and Femoral Vein Flow With Continuous Passive Motion, Pneumatic Compressive Stockings, and Leg Manipulations

1991 ◽  
Vol &NA; (266) ◽  
pp. 218???225 ◽  
Author(s):  
HERBERT P. VON SCHROEDER ◽  
RICHARD D. COUTTS ◽  
EDMUND BILLINGS ◽  
MICHAEL T. MAI ◽  
MICHAEL ARATOW
Keyword(s):  
Femoral Vein ◽  
Continuous Passive Motion ◽  
Intramuscular Pressure ◽  
Passive Motion
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