Assistance Delivery and Muscle Coordination for Stroke Survivors

This study is looking at how two different assistive devices, called exotendon assistance and end-effector assistance, affect finger movement and muscle activity in people who have had a stroke. Researchers want to understand how these devices help with finger extension. The study will include 15 stroke survivors and 15 healthy volunteers. Participants will perform finger movements with and without the assistive devices. The main goal is to see how muscle activation patterns change with the different types of assistance. To join, you need to be between 20 and 80 years old. If you've had a stroke, it must have been at least 6 months ago, and you'll need to meet specific criteria for arm and hand function.

Study design
This is an interventional study planning to enroll 30 participants, including stroke survivors and healthy controls. Participants will be randomly assigned to receive the two types of assistance in a different order.
What's involved
You will have reflective markers and electrodes placed on your hand and arm to record movements and muscle activity. You will perform finger extension movements with and without two different assistive devices.
Compensation
Not stated in the trial record.
Follow-up
Muscle activation patterns will be measured during the procedure, but no follow-up after the experimental session is specified.

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NCT07011173

Assistance Delivery and Muscle Coordination

Recruiting
EARLY_PHASE1Ages 20–80InterventionalBasic science
The Catholic University of America
~30 participants
Updated 2026-07-15 on ClinicalTrials.gov
What's tested:Exotendon assistanceEnd-effector assistance

At a glance

Recruiting sites
1 of 1 listed site is recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Muscle activation pattern
Measured over Periprocedural
Stroke

NCT07011173

Where you'd take part

This study runs at 1 site. They're the same protocol — you choose where, and that choice sets who your contact draft is addressed to.

  • Catholic University of America

    Washington D.C., District of Columbiastudy coordinator listed

    Recruiting

Sites open and close at different times, so the status above is per site — it can differ from the study's overall status.

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Eligibility criteria

Inclusion

Age: 18 - 70 years old
First-ever unilateral cortical stroke with resultant hemiparesis at least 6 months prior to the experimental testing
Fugl-Meyer Upper Extremity Section 31 - 55

Exclusion

Presence of concurrent severe medical illness
Pain in hand or arm with movements
Loss of voluntary control of fingers and thumb
Inability to provide informed consent
Musculoskeletal injuries (e.g., fracture) or medical complications (e.g., severe cardiovascular disease).
  • Muscle activation patternPeriprocedural

    Coordination of different hand muscles