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Trial registered on ANZCTR
Registration number
ACTRN12618000457246
Ethics application status
Approved
Date submitted
20/02/2018
Date registered
29/03/2018
Date last updated
17/06/2021
Date data sharing statement initially provided
8/01/2019
Type of registration
Prospectively registered
Titles & IDs
Public title
Can motor imagery improve strength during periods of restricted weight bearing in older adults?
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Scientific title
Does the addition of motor imagery to standard physiotherapy care improve strength in older adults with restricted weight bearing within a rehabilitation setting?
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Secondary ID [1]
294106
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Nil known
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Universal Trial Number (UTN)
U1111-1209-6138
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Fracture
306696
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Surgery
306697
0
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Immobility in old age
306698
0
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Ankle replacement
307014
0
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Condition category
Condition code
Physical Medicine / Rehabilitation
305796
305796
0
0
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Physiotherapy
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Injuries and Accidents
305798
305798
0
0
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Fractures
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Physical Medicine / Rehabilitation
306110
306110
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0
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Other physical medicine / rehabilitation
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Motor imagery (mental practice) plus standard physiotherapy care. Participants in the motor imagery group will undertake 15 minutes of motor imagery practice per day for four weeks. The motor imagery training will be guided by pre-recorded audio files uploaded onto a portable musci player. The audio files will be designed specifically for this study. The motor imagery tasks will relate to muscle contractions and everyday weight bearing movements. The training will be unsupervised, except for the first session when it will be supervised by a physiotherapist. Adherence will monitored by a patient diary and also by the number of times a track has been played on the audio device.
Standard physiotherapy care will follow proceures and guidelines of the facility. Standard physiotherapy care will typically involve strength and range of motion exercises along with targeted mobility and transfer training.
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Intervention code [1]
300383
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Rehabilitation
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Intervention code [2]
300608
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Treatment: Other
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Comparator / control treatment
Participants in the control group will undertake standard physiotherapy care which will follow standard protocols of the facility and will not be influenced by the project. These guidelines relate to standard protocols aimed at improving strength, range of motion and independence in will involve strength and range of motion exercises along with targeted mobility and transfer training.
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Control group
Active
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Outcomes
Primary outcome [1]
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Isometric knee extension strength (measured with a digital hand-held dynamometer)
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Assessment method [1]
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Timepoint [1]
304862
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Baseline and four weeks
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Primary outcome [2]
304863
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Isometric plantar flexion strength (measured with a digital hand-held dynamometer)
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Assessment method [2]
304863
0
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Timepoint [2]
304863
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Baseline and four weeks
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Secondary outcome [1]
344300
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Functional independence measure (FIM)
This will be assessed by facility staff as part of routine assessment
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Assessment method [1]
344300
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Timepoint [1]
344300
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Baseline and pre-discharge
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Secondary outcome [2]
377869
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Grip strength assessed with a hand-held dynamometer
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Assessment method [2]
377869
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Timepoint [2]
377869
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Baseline and four weeks
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Eligibility
Key inclusion criteria
Aged 60 years or over
Prescribed restricted weight bearing or non-weight bearing for a minimum of one week due to injury or surgery
Resident of subacute rehabilitation facility.
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Minimum age
60
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Any neurological condition likely to impair mobility such as Parkinson’s disease or Multiple sclerosis
A history of stroke or untreated heart disease
Impaired cognition (MMSE <24/30)
Profound hearing loss
Not willing or able to follow procedures specified by the study or instructions of the researcher.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Central randomisation by computer
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Simple computerised sequence generation
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
The sample size was calculated using G*Power software (version 3.1.9.2). The calculations were based on a repeated measures ANOVA (between-factors) with 2 treatment groups, 2 time periods (baseline and week two), an a value of 0.05, a power (ß) of 80%, with an ability to detect a medium effect size. This resulted in a desired sample size of 98 participants which represents 49 in each group. To account for 10% attrition, a target sample size of 108 participants (54 in each group) is required.
Repeated measures ANOVA will be used to identify differences in strength gained between groups from baseline to week four (primary endpoint)
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
14/01/2019
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Actual
2/05/2019
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Date of last participant enrolment
Anticipated
30/11/2021
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Actual
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Date of last data collection
Anticipated
30/12/2021
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Actual
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Sample size
Target
108
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Accrual to date
6
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Final
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Recruitment in Australia
Recruitment state(s)
QLD
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Recruitment hospital [1]
10371
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Brighton Health Campus - Brighton
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Recruitment postcode(s) [1]
21597
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4017 - Brighton Eventide
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Recruitment postcode(s) [2]
22045
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4017 - Brighton
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Recruitment postcode(s) [3]
28803
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4034 - Zillmere
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Funding & Sponsors
Funding source category [1]
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Hospital
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Name [1]
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Brighton Health Campus
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Address [1]
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449 Hornibrook Highway
Brighton QLD 4017
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Country [1]
298742
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Australia
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Primary sponsor type
University
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Name
Australian Catholic University
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Address
1100 Nudgee Road, Banyo, QLD 4014
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Country
Australia
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Secondary sponsor category [1]
297914
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None
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Name [1]
297914
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None
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Address [1]
297914
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None
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Country [1]
297914
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
299681
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The Prince Charles Hospital Human Research Ethics Committee
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Ethics committee address [1]
299681
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Building 14 Rode Road CHERMSIDE QLD 4032
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Ethics committee country [1]
299681
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Australia
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Date submitted for ethics approval [1]
299681
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11/04/2018
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Approval date [1]
299681
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12/06/2018
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Ethics approval number [1]
299681
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HREC/18/QPCH/144
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Summary
Brief summary
The negative effects of immobility such as reduced muscle strength and cardiac function are evident after a few days in care, particularly for older adults. These effects are more profound in those older adults with restricted weight bearing status as they are more confined to bed. There is a need to identify interventions that can be completed in bed while reducing the effects of immobilization. One such intervention is motor imagery, where participants imagine performing certain tasks without overt muscle activity. Motor imagery has been used successfully in stroke patients but has not been used in older adults during periods of immobilization. The aim of this study is to identify whether motor imagery combined with standard physiotherapy care is superior at improving strength and mobility compared to standard physiotherapy care alone. Participants will be subacute residents undergoing rehabilitation, aged 65 years or more that have been prescribed restricted weight bearing for at least one week. Participants will be allocated to standard physiotherapy (Control) or standard physiotherapy plus motor imagery (experimental). It is expected that participants in the experimental group will have more rapid gains in strength and mobility than those in the control group.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Dr Vaughan Nicholson
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Address
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ACU School of Physiotherapy, Faculty of Health Sciences, 1100 Nudgee Road, Banyo, QLD, 4014
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Country
81274
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Australia
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Phone
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+61 7 36237687
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Fax
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Email
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[email protected]
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Contact person for public queries
Name
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Vaughan Nicholson
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Address
81275
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ACU School of Physiotherapy, Faculty of Health Sciences, 1100 Nudgee Road, Banyo, QLD, 4014
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Country
81275
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Australia
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Phone
81275
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+61 7 36237687
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Fax
81275
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Email
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[email protected]
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Contact person for scientific queries
Name
81276
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Vaughan Nicholson
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Address
81276
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ACU School of Physiotherapy, Faculty of Health Sciences, 1100 Nudgee Road, Banyo, QLD, 4014
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Country
81276
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Australia
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Phone
81276
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+61 7 36237687
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Fax
81276
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Email
81276
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Yes
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What data in particular will be shared?
Individual participant data relating to injury/diagnosis and strength and mobility measures collected during the trial, after de-identification.
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When will data be available (start and end dates)?
Immediately following publication, no end-date
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Available to whom?
Researchers who provide a methodologically sound proposal
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Available for what types of analyses?
To achieve the aims in the approved proposal and to be available for IPD meta-analyses.
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How or where can data be obtained?
Access subject to approvals by Principal Investigator
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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