Strength Training and Stroke

January 28, 2013 updated by: US Department of Veterans Affairs

Should We Train Strength or Skill in Post-Stroke Rehabilitation?

People with stroke experience weakness and incoordination. Studies have shown that with functional task practice, people can increase motor control and strength to a certain extent. This study will investigate whether adding progressive resistance strength training to functional task practice modeled after Constraint-Induced Movement Therapy results in greater motor function gains than functional task practice alone

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

To date most investigations of UE rehabilitation have examined single interventions. However, combining 2 efficacious interventions may enhance effectiveness. Both functional task training and strength training are beneficial for promoting improved upper extremity function, but they have seldom been studied as a coupled therapy. The research proposed in this project will examine the effect on UE function of adding UE resistive exercises to functional task training. Secondary aims are to examine the effect of stroke severity on the response to therapy, the interrelationship between therapy-induced neural changes and movement composition and functional changes with therapy, and test for retention of UE function gains over 6 months. Individuals with chronic hemiparesis from stroke will complete baseline testing and then be randomly assigned to either the functional task + strength training group or the functional task training alone group. Each group will train 4 hours/day, 3 days/week for 4 weeks. Each will perform 3 hours of functional task training per session. The strengthening group will then complete 1 hour of UE progressive resistance exercises while the functional task training alone group will complete gravity eliminated range of motion exercises for 1 hour. All subjects will be post-tested and then complete follow-up testing 6 months later.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
20

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 2
  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Florida
      • Gainesville, Florida, United States, 32608
        • North Florida/South Georgia Veterans Health System

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 85 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  1. age 40-85;
  2. a single unilateral middle cerebral artery ischemic stroke;
  3. no history of drug/alcohol abuse;
  4. ability to follow 3-step commands and provide informed consent;
  5. no history of other neural disorder/dysfunction (including epilepsy), no serious medical illness or refractory depression;
  6. at least 300 active upper extremity elevation in scapular plane (combination of flexion and abduction);
  7. ability to extend the wrist 20 degrees, and two fingers and thumb 10 degrees three times in a minute;
  8. permission of physician (BRRC medical director or BRRC neurologist) to participate in strength training.

Exclusion Criteria:

  1. spasticity in elbow or hand (Modified Ashworth Scale > 2);
  2. Motor Activity Log32 scores >3 (which would indicate relatively good use of the upper extremity);
  3. ability to complete 135 degrees shoulder elevation easily with elbow straight (e.g., doesn't hold breath, movement is fluid, little to no effort tremor observed);
  4. ataxia, major sensory deficits, or hemi-inattention/neglect;

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Arm 1
Constraint-Induced Movement Therapy (wear a mitt on non-paretic hand for 90% of waking hours + functional task practice for 3 hours) plus 1 hour of strength training for the arms and hands 3x/week
Behavioral: Constraint-Induced Movement Therapy + strength training
Participants wears a mitt on non-paretic hand for 90% of waking hours and completes 3 hours of functional task practice (e.g., flipping cards, putting coins in coin slot, putting cans on a shelf) plus 1 hour of resistance elastic band exercises
Other Names:
  • forced use, functional task practice, progressive resistive exercise
Active Comparator: Arm 2
Constraint-Induced Movement Therapy (wear a mitt on non-paretic hand for 90% of waking hours + functional task practice for 3 hours) plus non-resisted arm and hand movements for 1 hour 3x/week
Behavioral: Constraint-Induced Movement Therapy + range of motion
Participants wears a mitt on non-paretic hand for 90% of waking hours and completes 3 hours of functional task practice (e.g., flipping cards, putting coins in coin slot, putting cans on a shelf) plus 1 hour of unresisted arm movements for
Other Names:
  • forced use, functional task practice

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Time Frame
Fugl-Meyer Motor Assessment - UE Subscale
Time Frame: Immediately after the end of therapy and 6 months later
Immediately after the end of therapy and 6 months later

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
Wolf Motor Function Test
Time Frame: Immediately after the end of therapy and 6 months later
Immediately after the end of therapy and 6 months later
Cortical mapping using transcranial magnetic stimulation
Time Frame: Immediately after the end of therapy
Immediately after the end of therapy

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
US Department of Veterans Affairs

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
February 1, 2008

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
July 1, 2011

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
September 1, 2011

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
February 19, 2008

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
February 26, 2008

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
March 5, 2008

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
January 29, 2013

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 28, 2013

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
January 1, 2013

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • B5033-W

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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