Quick Overview
In a U.S. clinical trial in the journal Stroke, teams at major hospitals tested a wearable foot-drop stimulator that uses electrical stimulation (EMS).
197 people about 4.5 years after stroke completed timed 10-metre walks, fast-walk tests, a 6-minute walk, balance scores, step counts, and satisfaction surveys across 30 weeks.
In the stimulator group, comfortable gait speed rose by 0.11–0.17 m/s. Fast walking, endurance, and user ratings also improved.
Those measured gains suggest EMS can help walking after stroke.
The registered multicenter design makes the evidence worth a closer look. The full post has every figure.
We always provide direct links to the original research at the end of every article so you can review the evidence yourself.
A Big Walking Trial After Stroke: What Electrical Stimulation Showed Over 30 Weeks
Foot drop can steal confidence after a stroke.
The toes catch.
The step shortens.
Walking feels risky.
Scientists asked a simple question.
Could a wearable foot drop stimulator help people walk better?
They tested that idea in a large clinical trial.
The work was published in Stroke.
That journal belongs to the American Heart Association.
It is a leading medical journal in the United States.
The lead authors worked at major research hospitals.
Those centres included the University of Kansas Medical Center.
They also included the University of Cincinnati and Weill Cornell in New York.
The trial had a public record.
Its identifier was NCT01138995 on ClinicalTrials.gov.
Eleven sites across the United States took part.
197 people joined.
There were 79 women and 118 men.
Their average age was about 61 years.
On average, the stroke had happened 4.6 years earlier.
Every volunteer still walked slowly.
Comfortable speed was 0.8 metres per second or less.
Researchers compared two supports.
One group used a surface foot drop stimulator.
That device uses electrical stimulation, often called EMS or FES.
It cues the peroneal nerve during swing.
The foot lifts.
Clearance improves.
The other group used a standard ankle-foot orthosis.
Both groups received eight matched physical therapy sessions.
Those sessions ran in the first six weeks.
Outcome testers stayed blinded.
They measured people at baseline.
They measured again at 6, 12, and 30 weeks.
The headline number was gait speed.
They timed a 10-metre walk.
They recorded comfortable speed and fast speed.
They also tracked endurance.
That test was the 6-minute walk.
They timed sit-to-stand walking with the Timed Up and Go.
Balance scores were collected.
So were participation scores on the Stroke Impact Scale.
Step counters recorded community walking.
Here is the bright finding for EMS.
People using the stimulator walked faster at 30 weeks.
The change was statistically significant within that group.
Comfortable gait speed rose.
The 95% confidence interval was 0.11 to 0.17 m/s.
That gain matters for everyday walking.
Fast walking speed rose as well.
The long-term device effect was about 0.13 m/s in the stimulator group.
The change from baseline was significant.
The stimulator also showed an immediate effect.
Walking improved as soon as the device was on.
A training effect grew with weeks of practice.
There was a therapeutic effect too.
Walking without the device also improved over time.
Researchers reported that pattern in both groups.
Endurance moved in the same direction.
Six-minute walk distance increased after 30 weeks.
The stimulator group gained about 41 metres on average.
Timed Up and Go times fell.
People stood, walked, and sat with less delay.
Participation scores on the Stroke Impact Scale rose.
User satisfaction favoured the stimulator.
At week 12 the score was 21.9 versus 19.0.
At week 30 it was 21.8 versus 19.1.
Those survey differences were significant.
People rated the stimulator more highly.
Comfort and perceived benefit helped drive that gap.
Community steps were counted as well.
At week 30 the stimulator group averaged 2369 steps a day.
The brace group averaged 2069 steps.
The trial did not prove the stimulator beat the brace on speed.
Both groups improved by similar amounts.
That is an honest reading of the primary comparison.
Still, the EMS group made clear within-group gains.
Those gains appeared even years after stroke.
Effect sizes for walking change were large, about 0.93 to 1.00.
Serious events were not linked to the study devices.
Skin irritation happened more with electrodes.
Most related events were mild.
This was not a miracle story.
It was a careful research paper with hard walking numbers.
It showed practice plus a stimulator can still move the needle.
Longer use gave time for training effects to build.
Thirty weeks is a long look by rehab standards.
Repeated walking with stimulation was part of that story.
Individual results vary.
This article reports published trial findings only.
It is not personal medical advice.
Talk with a qualified clinician before any device is used.
Ask whether a stimulator is appropriate after stroke.
Ask about fitting, skin care, and gait training.
The study’s core message remains hopeful.
People far beyond the first months still changed their walking.
Measured gait speed, endurance, and satisfaction all moved forward with electrical stimulation.
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Research Summary
| Detail | What the paper reports |
|---|---|
| Full title | Foot Drop Stimulation Versus Ankle Foot Orthosis After Stroke: 30-Week Outcomes |
| Original study link | https://www.ahajournals.org/doi/10.1161/STROKEAHA.111.000334 |
| Journal and publisher | Stroke, American Heart Association, United States |
| Citation | Stroke. 2013;44:1660–1669. DOI: 10.1161/STROKEAHA.111.000334 |
| Trial name and registry | FASTEST trial; ClinicalTrials.gov NCT01138995 |
| Design | Multicentre, randomised, single-blinded controlled trial at 11 U.S. sites |
| Lead institutions | University of Kansas Medical Center; University of Cincinnati; NewYork-Presbyterian/Weill Cornell; University of Florida |
| Who took part | 197 adults (79 women, 118 men); mean age 61.14 ± 11.61 years; mean 4.55 ± 4.72 years after stroke |
| Who was eligible | Drop foot ≥3 months after stroke; comfortable gait speed ≤0.8 m/s; able to walk ≥10 m with at most one-person help |
| What was compared | Surface foot-drop stimulator (NESS L300; peroneal-nerve electrical stimulation) versus a standard ankle-foot orthosis for 30 weeks |
| Shared therapy | Both groups received 8 dose-matched physical therapy sessions in the first 6 weeks |
| How walking was measured | Blinded 10-metre walk for comfortable and fast gait speed, plus 6-minute walk distance, Timed Up and Go, Berg Balance Scale, step counts, and Stroke Impact Scale |
| Primary walking result | Both groups improved; FDS comfortable-speed change 95% CI 0.11–0.17 m/s; AFO 0.12–0.18 m/s; no significant between-group difference |
| Other measured changes | Fast gait speed, 6-minute walk (~41 m gain in the stimulator group), mobility and participation scores also improved within groups |
| User ratings | Satisfaction higher with the stimulator: 21.8 ± 2.9 versus 19.1 ± 4.0 at week 30 |
| Safety notes | No serious events were judged related to the study devices; skin irritation was more common with electrodes and usually mild |
| Authors’ conclusion | FDS or AFO plus early therapy produced clinically meaningful walking gains even years after stroke; satisfaction favoured FDS |
| Funding disclosure | Trial funded by Bioness Inc.; some co-authors were company employees or paid consultants |
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