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Trial registered on ANZCTR
Registration number
ACTRN12619001346167p
Ethics application status
Submitted, not yet approved
Date submitted
12/09/2019
Date registered
1/10/2019
Date last updated
1/10/2019
Date data sharing statement initially provided
1/10/2019
Type of registration
Prospectively registered
Titles & IDs
Public title
Short-term fatigue and recovery during instrumental music performance
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Scientific title
Rates of fatigability and recovery in instrumental musicians: Quantification and basis for work:rest ratio development
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Secondary ID [1]
299231
0
None
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Universal Trial Number (UTN)
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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:
Fatigability
314357
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Repetitive strain injury
314358
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Physical overload
314361
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Psychological overload
314362
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Condition category
Condition code
Injuries and Accidents
312693
312693
0
0
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Other injuries and accidents
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Mental Health
312694
312694
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0
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Other mental health disorders
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Musculoskeletal
312890
312890
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0
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Other muscular and skeletal disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Participants will attend the research facilities for a one-off 1.5-2 hour cross-sectional testing session administered by an exercise physiologist experienced in collecting data from musicians. Following informed consent, each testing session will begin with the application of wireless surface electromyographic (EMG) electrodes to performance-related and postural support muscles relevant to each instrumental group (upper strings, lower strings, piano, brass). Participants will then perform a series of maximum voluntary exertions (MVE) to determine the maximum neuroelectric output (EMGmax) of each investigated muscle. Next, two maximum voluntary contraction (MVC) tests will be conducted to determine the maximum force output of postural support and performance muscles, respectively. Following MVC tests, participants will be asked to perform, for 10 minutes each and in random order, pre-prepared repertoire that they have rated to be physically/technically ‘very light’ (Borg rating of perceived exertion (RPE) = 9/20), ‘somewhat hard’ (RPE = 13/20), and ‘very difficult’ (RPE = 17/20). Imediately following each repertoire performance, additional MVC tests will be performed to evaluate fatigability-related changes in postural support and performance muscles. Repertoire performances and MVC tests will be performed sequentially, with no rest period in between. After the final repertoire performance and subsequent MVCs, participants will sit silently for 10 minutes before performing one final set of MVCs to determine recovery rates.
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Intervention code [1]
315529
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Other interventions
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Comparator / control treatment
No control group
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Maximum voluntary contraction force - performance muscles; assessed using grip strength goniometer (upper strings, lower strings, piano) or the Jericho Lip Expander (quantitative force measurement device for embouchure muscles in brass instrumentalists)
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Assessment method [1]
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Timepoint [1]
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Baseline, immediately Post-repertoire 1, immediately Post-repertoire 2, immediately Post-repertoire 3, Post-10 minute recovery
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Primary outcome [2]
321342
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Maximum voluntary contraction force - postural muscles; assessed using hand held goniometer
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Assessment method [2]
321342
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Timepoint [2]
321342
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Baseline, immediately Post-repertoire 1, immediately Post-repertoire 2, immediately Post-repertoire 3, Post-10 mins recovery
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Secondary outcome [1]
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Mean electromyographic amplitude during maximum voluntary contraction tests
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Assessment method [1]
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Timepoint [1]
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Baseline, immediately Post-repertoire 1, immediately Post-repertoire 2, immediately Post-repertoire 3, Post-10 mins recovery
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Eligibility
Key inclusion criteria
University or professional instrumental musicians
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Minimum age
18
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?
Yes
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Key exclusion criteria
Presence of a playing-related musculoskeletal disorder at time of testing
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Study design
Purpose of the study
Diagnosis
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
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Who is / are masked / blinded?
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Intervention assignment
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
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Statistical methods / analysis
Demographic and EMG data during each excerpt will reported using descriptive statistics (e.g. mean, standard deviation, 95% confidence interval) for the entire cohort, as well as within each instrumental sub-group. Fatigability and recovery rates will be estimated by evaluating changes in force and EMG amplitude during MVC tests. Differences in fatigue and recovery rates between instrumental groups will be calculated using independent samples t-tests.
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
3/02/2020
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Actual
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
48
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Accrual to date
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Final
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Recruitment outside Australia
Country [1]
21853
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Germany
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State/province [1]
21853
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Niedersachsen
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Funding & Sponsors
Funding source category [1]
303770
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Charities/Societies/Foundations
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Name [1]
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Alexander von Humboldt Foundation
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Address [1]
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Jean-Paul-Straße 12
53173 Bonn
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Country [1]
303770
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Germany
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Primary sponsor type
Individual
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Name
Dr. J. Matt McCrary
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Address
Institute of Music Physiology and Musicians' Medicine
Hannover University of Music, Drama and Media
Neues Haus 1
30175 Hannover
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Country
Germany
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Secondary sponsor category [1]
303891
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None
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Name [1]
303891
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Address [1]
303891
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Country [1]
303891
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Ethics approval
Ethics application status
Submitted, not yet approved
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Ethics committee name [1]
304291
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Central Ethics Committee - Leibniz Universität Hannover
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Ethics committee address [1]
304291
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Brühlstraße 27
30169 Hannover
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Ethics committee country [1]
304291
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Germany
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Date submitted for ethics approval [1]
304291
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18/09/2019
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Approval date [1]
304291
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Ethics approval number [1]
304291
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Summary
Brief summary
Substantial epidemiological data demonstrate that music performance is associated with considerable health risk, with a large majority (67-89%) of professionals and students experiencing one or more playing-related injuries. Several studies have identified fatigue and playing overload as risk factors for a range of injuries in instrumentalists, with mismanagement of short-term fatigue (i.e. taking too few breaks, long practice sessions, increased repertoire intensity) identified as a contributor to overload.
Studies in sport demonstrate that the integration of evidence-based work:rest ratios into training sessions can mitigate the short- and long-term (i.e. overload) impacts of fatigue. Conversely, in musicians, present recommendations regarding the management of short-term fatigue are based in pedagogical tradition and anecdotal evidence, and generally do not consider the impact of intensity.
This study aims to provide foundational data regarding rates of short-term fatigue in musicians by evaluating changes in muscle activity and maximal force output in response to performances of repertoire of varying intensities. Data captured will help facilitate the creation of evidence-based work:rest recommendations for instrumental musicians - i.e. “performance for X minutes at Y intensity requires Z minutes rest.”
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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 J. Matt McCrary
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Address
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Institute for Music Physiology and Musicians' Medicine
Hannover University of Music, Drama and Media
Neues Haus 1
30175 Hannover
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Country
96418
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Germany
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Phone
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+49 178 6899834
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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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Dr J. Matt McCrary
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Address
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Institute for Music Physiology and Musicians' Medicine
Hannover University of Music, Drama and Media
Neues Haus 1
30175 Hannover
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Country
96419
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Germany
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Phone
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+49 178 6899834
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Fax
96419
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Email
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[email protected]
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Contact person for scientific queries
Name
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Dr J. Matt McCrary
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Address
96420
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Institute for Music Physiology and Musicians' Medicine
Hannover University of Music, Drama and Media
Neues Haus 1
30175 Hannover
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Country
96420
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Germany
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Phone
96420
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+49 178 6899834
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Fax
96420
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Email
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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?
All de-identified participant data
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When will data be available (start and end dates)?
Starting on the publication date of the main study results for a period of ten years.
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Available to whom?
Available on request to researchers and journal editors. Responses to other data requests will be determined on a case-by-case basis.
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Available for what types of analyses?
Any analysis
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How or where can data be obtained?
Data can be obtained by contacting the primary investigator (
[email protected]
) following the publication of main study results
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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
Source
Title
Year of Publication
DOI
Embase
Acute Neuromuscular Fatigability and Perceived Exertion in High-Level University Pianists: An Electromyography and Maximum Force Capacity Study.
2023
https://dx.doi.org/10.21091/mppa.2023.2015
N.B. These documents automatically identified may not have been verified by the study sponsor.
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