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The Effect of Electromyography-Based Biofeedback on Hand Movement in Stroke Patients

Investigating the Effect of EMG-Based Biofeedback on the Plasticity of Central Neural Pathways in Hand Opposition Movement in Stroke Patients Using Structural Magnetic Resonance Imaging (MRI)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20240918063086N1
Enrollment
15
Registered
2024-10-18
Start date
2021-10-02
Completion date
Unknown
Last updated
2025-01-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Stroke. Cerebellar stroke syndrome

Interventions

Intervention group: Patients diagnosed with stroke: This program consisted of sessions held three times a week, each concentrating on a single-channel EMG biofeedback protocol tailored for extending u

Sponsors

Tehran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
50 Years to 70 Years

Inclusion criteria

Inclusion criteria: Age between 50 and 70 years. Confirmed Diagnosis of Stroke by Neurologist. History of motor-related ischemic stroke occurring between 6 months and 2 years prior. Third-degree spasticity according to the Ashworth scale for arm and hand function. Absence of hemineglect symptoms. Mini-Mental State Examination (MMSE) score above 22. Availability for 8 weeks of EMG-biofeedback training. No history of brain stimulation techniques, but participants may have received other rehabilitation therapies such as speech therapy, occupational therapy, or physiotherapy.

Exclusion criteria

Exclusion criteria: Stroke in the pons area. MRI contraindications, such as Implantable pediatric sternal devices, Metallic foreign bodies in the eye, Contact lenses, Gastric reflux devices, Insulin pumps, Temporary transvenous pacing leads. Extreme distress leading to significant head motion during MRI. Severe musculoskeletal deformities or contractures in the affected limb that impede the ability to perform EMG-biofeedback tasks. Severe aphasia or communication barriers preventing engagement with biofeedback instructions. Uncontrolled epilepsy or frequent seizures that pose a safety risk during therapy sessions.

Design outcomes

Primary

MeasureTime frame
Sensorimotor Evaluation. Timepoint: Exactly before the start of the intervention and then immediately after the completion of all intervention sessions (two times). Method of measurement: Fugl-Meyer Assessment: Upper Extremity.;Structural evaluation using brain imaging techniques (diffusion tensor imaging). Timepoint: Exactly before the start of the intervention and then immediately after the completion of all intervention sessions (two times). Method of measurement: Diffusion Tensor Imaging.;Assessment of Daily Living Activities. Timepoint: Exactly before the start of the intervention and then immediately after the completion of all intervention sessions (two times). Method of measurement: Barthel Index.;Modified Ashworth Scale (MAS). Timepoint: Exactly before the start of the intervention and then immediately after the completion of all intervention sessions (two times). Method of measurement: Measuring spasticity.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr. Anahita Torkaman-Boutorabi

Tehran University of Medical Sciences

torkamanboutorabi@gmail.com+98 21 4305 2000

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026