Combo video including patients participating in contralaterally controlled FES therapy followed by a patient performing a grasp-release test before CCFES therapy and the same patient performing the same test after 12 weeks of CCFES therapy. All patients were participating in research studies at MetroHealth Medical Center in Cleveland.
via Functional Electrical Stimulation for Stroke Rehab – YouTube
Functional electrical stimulation is a biophysical technology that have seen increased use in the management of neurological disorders. This talk will discuss principles of use with specific therapeutic cases and would be of primary interest to occupational and physical therapists. The participant will develop skills necessary to choose appropriately and apply electrotherapy in the rehabilitation setting. Various new technologies using electrotherapy will also be demonstrated.
via Using Functional Electrical Stimulation For Patients With Neurological Deficits – YouTube
Functional Electrostimulation Using a sliding mode controller, contralateral movements
via Functional Electrostimulation – YouTube
Functional electrical stimulation (FES) is capable of activating muscles that are under-recruited in neurological diseases, such as stroke. Therefore, FES provides a promising technology for assisting upper-limb motor functions in rehabilitation following stroke. However, the full benefits of FES may be limited due to lack of a systematic approach to formulate the pattern of stimulation. Our preliminary work demonstrated that it is feasible to use muscle synergy to guide the generation of FES patterns.In this paper, we present a methodology of formulating FES patterns based on muscle synergies of a normal subject using a programmable multi-channel FES device. The effectiveness of the synergy-based FES was tested in two sets of experiments. In experiment one, the instantaneous effects of FES to improve movement kinematics were tested in three patients post ischemic stroke. Patients performed frontal reaching and lateral reaching tasks, which involved coordinated movements in the elbow and shoulder joints. The FES pattern was adjusted in amplitude and time profile for each subject in each task. In experiment two, a 5-day session of intervention using synergy-based FES was delivered to another three patients, in which patients performed task-oriented training in the same reaching movements in one-hour-per-day dose. The outcome of the short-term intervention was measured by changes in Fugl–Meyer scores and movement kinematics. Results on instantaneous effects showed that FES assistance was effective to increase the peak hand velocity in both or one of the tasks. In short-term intervention, evaluations prior to and post intervention showed improvements in both Fugl–Meyer scores and movement kinematics. The muscle synergy of patients also tended to evolve towards that of the normal subject. These results provide promising evidence of benefits using synergy-based FES for upper-limb rehabilitation following stroke. This is the first step towards a clinical protocol of applying FES as therapeutic intervention in stroke rehabilitation.
Muscle activation during movement is commonly disrupted due to neural injuries from stroke. A major challenge for stroke rehabilitation is to re-establish the normal ways of muscle activation through a general restoration of motor control, otherwise impairments may be compensated by the motor system through a substitution strategy of task control . In post-stroke intervention, new technologies such as neuromuscular electrical stimulation (NMES) or functional electrical stimulation (FES) offer advantages for non-invasively targeting specific groups of muscles – to restore the pattern of muscle activation. Nevertheless, their effectiveness is limited by lack of a systematic methodology to optimize the stimulation pattern, to implement the optimal strategy in clinical settings, and to design a protocol of training towards the goal of restoring motor functions. This pioneer study addresses these issues in clinical application with a non-invasive FES technology.
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via Synergy-Based FES for Post-Stroke Rehabilitation of Upper-Limb Motor Functions – IEEE Journals & Magazine
Objective: To study the long-term effectiveness of Theta Burst Stimulation (TBS) or Functional Electrical Stimulation (FES) combined with Physical therapy (PT) as compared to PT alone for improving arm functions in patients with acute stroke.
Design: Single blind randomized controlled trial.
Setting: Outpatient clinics and inpatient wards at tertiary care neurology center.
Subjects: Adult patients with acute middle cerebral artery territory ischemic stroke.
Interventions: 60 patients were randomized into three groups of 20 each: TBS+PT; FES+PT; and PT alone. TBS group received intermittent TBS of ipsilesional hemisphere and continuous TBS of contralesional hemisphere while FES group received FES of paretic limb, both for four weeks. All groups received supervised physical therapy for four weeks followed by home physiotherapy for one year.
Outcome measures: Fugl Meyer Assessment upper limb score (FMA-UL) was primary outcome measure. Patients were evaluated at baseline and subsequently at one, three and six months and one year.
Results: Compared to PT group, mean FMA-UL scores were higher in TBS and FES groups at all follow-ups (P < 0.001). From baseline to one year, mean (SD) FMA-UL scores increased from 14.9(2.1) to 55.55(2.46) in TBS group, 15.5(1.99) to 55.85(2.46) in FES group, and 14.3(2.2) to 43.3(4.22) in PT group indicating an increase of 273%, 260%, and 203% respectively. There was no difference between FES and TBS groups.
Conclusion: A four-week intervention with TBS or FES combined with PT produces better long-term arm functions as compared to PT alone in patients with acute stroke.
via The comparative efficacy of theta burst stimulation or functional electrical stimulation when combined with physical therapy after stroke: a randomized controlled trial – Fayaz Khan, Chaturbhuj Rathore, Mahesh Kate, Josy Joy, George Zachariah, P C Vincent, Ravi Prasad Varma, Kurupath Radhakrishnan, 2019