The subjects will be asked to attend minimum 15 separate sessions, 6 for testing changes in reflex behaviors, 3 for testing changes in the influence of descending motor tracts on spinal motor neurons, 3 for each testing functional movement in response to a trip event and cross-tilt walking adaptation pattern, as part of their participation in the research study. The estimated amount of time to enroll and collect the data for each of the subjects is four months' time. The data will be analyzed and ready for grant preparation (if successful) in approximately four months after the start of the study.
History of single unilateral stroke with subsequent lower limb hemiparesis on either side (> 6 months since onset)
Ability to walk as part of activities of daily living
Age between 18 and 80
Presence of concurrent severe medical illness including unhealed pressure sore, active or untreated infection, thromboembolic disease, severe contracture, osteoporosis, heterotropic classification, lower limb fracture, severe pulmonary disease or cardiovascular instability, uncontrolled seizure, uncontrolled diabetes
History of any neurological injury other than a single stroke
Has received a Botox injection in the lower extremity within the last 4 months
Any cognitive deficit that would prevent informed consent or ability to perform the experiment
Single group
InTENSity 10 TENS Stimulator
DeviceInTENSity 10 TENS stimulator is a portable electrotherapy device featuring Transcutaneous Electrical Nerve Stimulation (TENS) therapeutic device. The stimulator sends a gentle electrical current to underlying nerves and muscle group via electrodes applied on the skin. The parameters of device are controlled by the buttons.
Reflex Testing
Test if tsDCS (transcutaneous spinal direct current stimulation) has any beneficial effect on reflexes in post-stroke individuals
Walking Testing
Test if tsDCS (transcutaneous spinal direct current stimulation) has any beneficial effect on walking in post-stroke individuals
Adaptation Testing
Test if tsDCS (transcutaneous spinal direct current stimulation) has any beneficial effect on adaptation pattern in post-stroke individuals
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