- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01958736
Ballistic Strength Training in Stroke: A Pilot Study
Ballistic Strength Training in Stroke: A Phase II Randomized, Controlled, Assessor Blinded Pilot Study
This pilot study intends to evaluate whether stroke patients can complete ballistic strength exercises for thirty minutes, three times per week over a six week training period in addition to their existing rehabilitation program.
It will evaluate whether using ballistic training principles, is superior in improving mobility compared with usual care exercises to improve mobility and leg strength in stroke patients.
In this study there will be 15 participants per group, a total of 30 participants. The control group will receive usual care consistent with existing rehabilitation practice and literature. The experimental group will perform task specific strength training in a ballistic fashion.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Research Aims:
- To establish the feasibility of ballistic strength training in stroke and
- To evaluate the effects of ballistic strength training exercises on mobility outcomes, strength and quality of life when compared with usual care.
Methods:
This wil be a prospective, randomized, controlled, assessor-blinded pilot study. It will be conducted 3 x per week for 6 weeks (i.e. a total of 18 sessions lasting 30 minutes).
Primary outcome measure: Feasibility
- Recruitment
- Retention/Attrition
- Clinical Feasibility
- Safety
Secondary outcome measures - measured at baseline and completion
- Ten metre walk test (10MWT) comfortable pace
- 10MWT maximum safe pace
- High level mobility assessment tool (HiMAT): Only in participants where 10MWT is <12.5s at baseline
- Timed up and go test (TUG)
- Functional Ambulation Category (FAC)
- Health Related Quality of Life (HRQoL) via AQoL-4D
Description of intervention:
Control Group:
The control group will complete a suite of exercises based upon existing rehabilitation practices that aim to improve mobility after stroke. The supervising physiotherapist will select and progress the exercises, recording the performance of exercises in an exercise log and detailing incidence of adverse events. Exercise selection will include: gait retraining, cardiovascular fitness, lower limb strengthening, static and dynamic balance
Experimental group:
The experimental group will complete jump squats on the leg sled, single leg toe push offs (or bilateral where unable to complete single), alternating legs (i.e. bounding), mini tramp jumping, progressing to jogging, quick hip flexion and bounding on land.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Victoria
-
Melbourne, Victoria, Australia, 3162
- Alfred Health - Caulfield Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Inpatient at Caulfield Hospital Neurological Rehabilitation Unit at the time of recruitment
- Diagnosis of first stroke
- Presence of lower limb weakness determined by >10% difference in knee extensor strength between sides
- Functional Ambulation Category (FAC) > 3
- Can walk a minimal distance of 14 metres (to allow measurement on a 10metre walk test (10MWT)
Participants who meet all the inclusion criteria except for their FAC score will have their FAC score re-measured on a weekly basis until they reach a score of greater than or equal to 3, at which point they become eligible and will be approached for recruitment.
Exclusion Criteria:
- Unable to provide informed consent (determined by consultation with rehabilitation consultant and the team neuropsychologist)
- Other diagnosed central nervous system disorder affecting mobility
- Active oncological diagnosis
- Unstable medication condition such as unstable diabetes or unstable cardiac condition that would prevent participation in cardiovascular activity
- Recent orthopaedic trauma and/or osteoarthritis that would limit participation in physical exercise
- Not willing to continue to attend the program if they discharge home before the end of the six week program
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: SINGLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Experimental
Ballistic Strength Training
|
The experimental group will complete jump squats on the leg sled, single leg toe push offs (or bilateral where unable to complete single), alternating legs (i.e.
bounding), mini tramp jumping, progressing to jogging, quick hip flexion and bounding on land.
|
ACTIVE_COMPARATOR: Control
Usual care Physiotherapy
|
This group will complete a suite of exercises based upon existing rehabilitation practices that aim to improve mobility after stroke.
The supervising physiotherapist will select and progress the exercises, recording the performance of exercises in an exercise log and detailing incidence of adverse events.
Exercise selection will include: gait retraining, cardiovascular fitness, lower limb strengthening, static and dynamic balance.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Feasibility
Time Frame: 6 weeks
|
Recruitment:
Retention/Attrition:
Clinical feasibility
Safety
|
6 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
10 metre walk test comfortable pace
Time Frame: Baseline and 6 weeks
|
Participants will be measured at comfortable gait speed.
The middle 10metres of a 14 metre track will be recorded.
The participant will be asked to walk at their own comfortable speed.
There will be a cone at the start and finish of the 14metre track to guide participants and the middle 10 metres will be recorded.
|
Baseline and 6 weeks
|
10 metre walk test, maximum safe pace
Time Frame: Baseline and 6 weeks
|
Same set-up as 10MWT comfortable pace, however the participant will be asked to walk as fast as they safely can without breaking into a run.
|
Baseline and 6 weeks
|
High level mobility assessment tool (HiMAT)
Time Frame: Baseline and 6 weeks
|
The HiMAT is a 13 item assessment tool designed to assess high level walking tasks, the ability to negotiate stairs and the ability to run, hop, skip and jump.
The HiMAT will be used to evaluate performance for higher level participants in the study where their 10MWT result may have a ceiling effect (where participants complete 10MWT in under 12.5seconds).
|
Baseline and 6 weeks
|
Timed up and go test (TUG)
Time Frame: Baseline and 6 weeks
|
The TUG is highly reliable in stroke populations and correlates with walking performance and incidence of falls.
Participants will be measured on the TUG from a 45cm chair.
The will be asked to complete the test at their own comfortable speed.
|
Baseline and 6 weeks
|
Functional Ambulation Category (FAC)
Time Frame: Baseline and 6 weeks
|
The FAC is a simple tool which uses an ordinal scale of 1 to 6 to measure the level of assistance a person requires to walk, and the different types of terrain they can manage such as indoors vs. outdoors, slopes and inclines.
|
Baseline and 6 weeks
|
Assessment of quality of life 4D
Time Frame: Baseline and 6 weeks
|
Health related quality of Life will be measured using the Assessment of quality of life 4D.
This has been shown to be a valid and sensitive measure in stroke, and has been used to determine the effects of mobility on HRQoL in neurological populations.
|
Baseline and 6 weeks
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Genevieve C Hendrey, B Phys (Hons), The Alfred
- Principal Investigator: Anne E Holland, PhD, Alfred Health and La Trobe University
- Principal Investigator: Gavin Williams, PhD, Epworth Healthcare, Melbourne University, La Trobe University
- Principal Investigator: Ross Clark, PhD, Australian Catholic University
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 369/13
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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