About this trial
This study will test the ability of myoelectric interface for neurorehabilitation (MINT) training to improve walking function.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age at enrollment is 18 to 85
Leg impairment from unilateral stroke at least 6 months prior to screening
Severe to moderate gait impairment (ambulatory with a maximum walking speed of 0.8 m/s, i.e., half of normal speed)
Able to stand without assistance
Disqualifiers
Cognitive impairment with at least moderately impaired attention on digit-span test, or unable to follow instructions of the MINT task
Visual impairment (such as hemianopia) preventing sufficient perception of the screen to play the games
Anesthesia or severe neglect in the affected leg, or visual hemineglect (score of 2 on the NIH Stroke Scale Extinction and Inattention subtest) that impairs ability to play the games
Participation in another study on the affected leg, or any pharmacological study, within 6 weeks of enrollment
Trial design
Parallel
Treatments tested in this trial
myoelectric interface for neurorehabilitation (MINT) conditioning
Other interventionMyoelectric interface for neurorehabilitation (MINT) conditioning involves training to reduce abnormal co-activation of limb muscles to improve movement.
One muscle myoelectric feedback
Other interventionTraining to control muscle activity in one muscle only.
Treatment groups
Trial outcomes
Primary outcomes
10-m walk test
The 10-m walk test measures gait speed
Secondary outcomes
6-min walk test
The 6-min walk test measures the distance subjects can walk in 6 min. It measures endurance.
10-m walk test
The 10-m walk test measures gait speed
6-min walk test
The 6-min walk test measures the distance subjects can walk in 6 min. It measures endurance.
MINT performance
The mean weighted time-to-target over trials.
Sponsors and contacts
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Northwestern University
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Collaborator
University of Texas Southwestern Medical Center
Collaborator