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Trial registered on ANZCTR
Registration number
ACTRN12622000660785
Ethics application status
Approved
Date submitted
12/04/2022
Date registered
5/05/2022
Date last updated
5/05/2022
Date data sharing statement initially provided
5/05/2022
Type of registration
Prospectively registered
Titles & IDs
Public title
Determine the effectiveness of scientifically designed training programs for teenage athletes: Does this improve their fitness levels and reduce fatigue?
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Scientific title
Managing the workloads of adolescent athletes: Do we need to periodise their training programs? A pilot study
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Secondary ID [1]
306919
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None
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Universal Trial Number (UTN)
U1111-1277-1128
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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:
Neuromuscular Function
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Wellbeing and Academic Stress
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Muscular Endurance
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Cardiovascular Endurance
326024
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Muscular Strength
326025
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Body Composition
326026
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Condition category
Condition code
Injuries and Accidents
323329
323329
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0
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Other injuries and accidents
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Public Health
323330
323330
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0
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Health promotion/education
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Students attending Launceston Church Grammar School (LCGS) who play Australian Rules Football (ARF) or Soccer will be recruited to participate in an intervention study over a 10-week period that is proposed to occur as soon as Ethics Approval has been granted. Participants will be between 14 and 18 years of age (Grade 9 to 12) as that is the range of participants playing in the ARF or Soccer first teams at Launceston Grammar. It is expected that some participants will play at the school level only, some will play at the school and club level, and some participants will be state representatives for their specific age group. All participants will be part of the school's ARF or Soccer first team though. At the start of the 10-week data collection period, participants’ anthropometric measures will be taken, and six physical tests completed to determine baseline fitness and neuromuscular function levels. Participants will report their level of sports participation by completing a 2-question survey on the Teambuildr Strength and Conditioning Software (TeamBuildr, LLC). The questions will include:
1) How long have you been participating/training in ARF or Soccer?
2) At which level do you compete in ARF or Soccer? – with options including:
i) Socially only at school
ii) Competitively at school and club
iii) Development/State Representative
The participants will be randomly grouped into control and intervention groups, matched for age, physical characteristics, physical testing results, and the highest level they currently compete at in ARF or Soccer. The control group will complete their usual training program, led by LCGS coaches and Sports staff, while the intervention group will be provided with a 10-week periodised strength and conditioning training program with set weekly total distance and weekly high-speed running distance targets. The achievement of these targets will be monitored by collecting internal and external load data, with modifications made to the weekly training sessions to ensure individuals meet the required targets.
Participants will be provided with specific football or soccer activities and conditioning drills to complete during school football training sessions. This might include kick-passing drills where participants are required to kick the ball to a teammate and then run 50 meters to get to the next kicking position. Running/conditioning drills might include repeated sprint efforts where participants will complete sets of four to six repeated 50 to 60-meter sprint efforts, or longer but slower running efforts such as six by 200-meter running efforts.
Participants in the intervention group will be addressed both one-on-one and as a group during their scheduled school-based football or soccer training. Participants that need to perform additional training to meet their weekly training targets will be informed individually before the start of training and then addressed as a group during training.
The intensity of the exercises will depend on what the participants have completed in training during the week. For example, if participants have reached their high-intensity running distance targets for the week but still need to reach their total running distance target, then lower intensity exercises will be completed.
Participants will complete these extra sessions once a week during the Wednesday school football or soccer training sessions. The duration of these activities/sessions will vary depending on the distance required to be completed to reach the weekly targets, however, it is expected that these sessions will last between 10 to 20 minutes.
Both groups will provide internal workloads through reporting session-RPE (Rate of Perceived Exertion) load, while external workloads of all on-field training sessions and games will be measured using GPS tracking devices. Subjective wellbeing and academic stress, along with injury reporting will be monitored through the completion of a daily questionnaire developed elsewhere (McLean, Coutts, Kelly, McGuigan, & Cormack, 2010; Williams, Pendlebury, Thomas, & Smith, 2017). The participants will perform weekly neuromuscular function testing through the completion of a countermovement jump (CMJ) test. Participants will also complete the Behavioural Regulation of Sport Questionnaire (Clancy, Herring, & Campbell, 2017; Viladrich et al., 2013) pre-, during-, and post-intervention to determine any changes in motivation levels to participate in sports throughout the study. The six physical tests and anthropometric measures will be repeated after the 10-week intervention period to measure any changes in fitness levels, neuromuscular function, and body composition.
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Intervention code [1]
323364
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Treatment: Other
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Comparator / control treatment
The control treatment involves not providing any program modification to the control group. That means the control group receives no treatment and will continue to perform or participate in their regular training routines.
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Control group
Active
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Outcomes
Primary outcome [1]
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Change in physical fitness characteristics as assessed by the six physical tests, which will include the sprint test, the 505 change of direction test, the countermovement jump test, the 1-minute push-up test, the 1-minute sit-up test, and the YoYo IR1 test.
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Assessment method [1]
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Timepoint [1]
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10-weeks post the baseline fitness testing
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Primary outcome [2]
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Change in neuromuscular function as assessed by countermovement jump test
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Assessment method [2]
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Timepoint [2]
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Weekly countermovement jump test and after the 10-week intervention
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Primary outcome [3]
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Changes in anthropometric characteristics will be assessed by measuring the changes in body mass index (BMI) which will be calculated by measuring the changes in body mass with digital scales and standing height with a portable stadiometer, changes in hip and waist circumferences measured with a measuring tape, and changes body fat percentage as estimated by measuring the sum of four skinfolds with a Harpenden calliper.
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Assessment method [3]
331067
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Timepoint [3]
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10-weeks post the baseline fitness testing
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Secondary outcome [1]
408617
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Primary outcome [4]: Change in wellbeing and academic stress which is a composite outcome. This is subjectively assessed through weekly completion of the subjective feeling of fatigue questionnaire developed by McLean et al. (2010) and adapted for this study, which assesses aspects of sleep quality, mood, stress, energy, muscle soreness, and academic stress on a 5-point Likert scale.
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Assessment method [1]
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Timepoint [1]
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Primary outcome timepoint [4]: Weekly completion of the subjective wellbeing questionnaire
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Eligibility
Key inclusion criteria
Students that are part of the Australian Rules Football boys' first team, Soccer boys' first team, or Soccer girls' first team at Launceston Grammar.
Successful completion of the Physical Activity Readiness Questionnaire for Everyone before partaking in the study.
Free of injury at the beginning of the trial.
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Minimum age
14
Years
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Maximum age
18
Years
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Sex
Males
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
Students that are not part of Launceston Grammar's boys' Australian Rules Football first team, boys' Soccer first team, or girls' Soccer first team.
Students under the age of 14.
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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)
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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
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
9/05/2022
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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
24
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
TAS
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Funding & Sponsors
Funding source category [1]
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University
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Name [1]
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University of Tasmania
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Address [1]
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Newnham Dr, Newnham TAS 7248
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Country [1]
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Australia
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Primary sponsor type
University
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Name
University of Tasmania
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Address
Newnham Dr, Newnham TAS 7248
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Country
Australia
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Secondary sponsor category [1]
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None
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Name [1]
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None
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Address [1]
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None
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Country [1]
312595
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
310752
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The University of Tasmania Human Research Ethics Committee
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Ethics committee address [1]
310752
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Office of Research Services
Private Bag 1
Hobart TAS 7001
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Ethics committee country [1]
310752
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Australia
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Date submitted for ethics approval [1]
310752
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01/04/2022
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Approval date [1]
310752
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22/04/2022
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Ethics approval number [1]
310752
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Summary
Brief summary
This trial aims to monitor and manage the workloads of adolescent athletes that participate in ARF or Soccer while observing the effects of these workloads on neuromuscular function and wellbeing. Using a parallel-group study design, we aim to investigate the effects that a periodised training program has on the physical performance, fatigue levels, and wellbeing of adolescent athletes attending Launceston Church Grammar School (Intervention group), compared to a Control group following their usual training programs. The findings of this research could be used to improve the periodisation of training programs for adolescent ARF or Soccer players and assist the development and transitioning of these adolescent athletes into elite adult ARF or Soccer athletes. Furthermore, the findings may assist in monitoring and managing future workloads of adolescent ARF or Soccer athletes through accurately altering weekly or daily training loads to ensure a safe workload ratio is maintained to maximise physiological adaptation. We hypothesise that participants following the periodised training program (intervention group) will display greater improvements in physical performance, reduced neuromuscular fatigue, and improved wellbeing compared to participants following their own training program (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 Nathan Pitchford
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Address
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The University of Tasmania,
Newnham Dr, Newnham TAS 7248
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Country
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Australia
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Phone
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+61 03 6324 3245
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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 Nathan Pitchford
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Address
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The University of Tasmania,
Newnham Dr, Newnham TAS 7248
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Country
118743
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Australia
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Phone
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+61 03 6324 3245
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Fax
118743
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Email
118743
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[email protected]
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Contact person for scientific queries
Name
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Dr Nathan Pitchford
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Address
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The University of Tasmania,
Newnham Dr, Newnham TAS 7248
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Country
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Australia
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Phone
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+61 03 6324 3245
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Fax
118744
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Email
118744
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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)?
No
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No/undecided IPD sharing reason/comment
To ensure participant identity remains anonymous, individual data will not be shared. Instead, overall group findings will be available at the completion of this trial and may be requested of the researchers.
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What supporting documents are/will be available?
No Supporting Document Provided
Doc. No.
Type
Citation
Link
Email
Other Details
Attachment
15758
Study protocol
[email protected]
15759
Informed consent form
[email protected]
15760
Other
[email protected]
Participant information sheet, Participant FAQ she...
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Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
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