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Trial registered on ANZCTR
Registration number
ACTRN12616001122448
Ethics application status
Approved
Date submitted
30/05/2016
Date registered
18/08/2016
Date last updated
28/02/2023
Date data sharing statement initially provided
24/09/2019
Type of registration
Retrospectively registered
Titles & IDs
Public title
Effects of a stretching program on shoulder pain and flexibility
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Scientific title
Effects of a stretching program on anterior humeral head translation and acromio humeral distance: A Randomised Controlled Trial
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Secondary ID [1]
289270
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Nil
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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:
shoulder pain
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shoulder flexibility
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Condition category
Condition code
Musculoskeletal
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0
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Other muscular and skeletal disorders
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Physical Medicine / Rehabilitation
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0
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Physiotherapy
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
This particular study will require the participants to perform one of two stretches on the dominant side over a 3 weeks period . Participants will be taught the correct technique for performing the stretches by the investigator carrying out the measures. They will be instructed to hold the stretch for 30 seconds for 5 repetitions each session. Following this the therapist will inspect the performance of the stretch and ensure a correct technique .The stretch will be able to be performed on the floor,yoga mat or carpet /rug. Participants will be given an information sheet with instructions and pictures of the stretch and told to contact the researcher if they have any questions about the stretch during the study. Stretching is to be performed twice a day and it is recommended that this occur once in the morning and once in the evening before bed. Participants in both groups will be instructed to perform their respective stretches both morning and night, 7 days a week for 3 weeks. Before starting the stretch it is recommended to do some gentle warm up movements of the shoulder such as large slow circles of the arms.
The participant should perform 5 repetitions of the stretch in the morning and 5 repetitions in the afternoon.
1. Modified sleeper stretch - the participant should be lying on a firm surface (floor with yoga mat, carpet) on their dominant side, With their trunk rotated slightly backwards. Using the non-dominant arm, the participant gently should pull the forearm down to the floor until they feel the stretch at the back of their shoulder. The participant should not feel any pain with the stretch.
2. The participant positions him/her self in sitting with feet flat on the floor. He/she raises the dominant arm to 90 degrees of forward flexion. Using the non-dominant arm the participant pulls the throwing arm across the body towards the opposite shoulder as shown in the photo in the Instruction sheet. The stretch should be felt across the back of the shoulder.
Participants will be required to fill in a diary recording completion of the stretching program in the morning and at night. It will be made clear to the participants that accurate recollection is essential to the study and there will be no consequences for a lack of adherence to the stretching program.
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Intervention code [1]
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Rehabilitation
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Comparator / control treatment
There is no control treatment
This trial is a comparison between two interventions described above
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Control group
Active
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Outcomes
Primary outcome [1]
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Measure of acromio-humeral distance with diagnostic ultrasound.
The participant will be seated and the ultrasound head placed on the anterior aspect of the shoulder in anterior -posterior direction ( Refer to Mc Creesh et al 2016)
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Assessment method [1]
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Timepoint [1]
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All pre-measures - post screening and acceptance into the study and prior to teaching/demonstration of stretch
Post-measures - 3 weeks post stretch programme
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Secondary outcome [1]
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ROM glenohumeral internal rotation (IR) at 90 degrees shoulder abduction.
The participant is positioned supine with dominant upper arm positioned at 90 degrees of abduction resting on the bed. A small folded towel will be placed under the upper arm to ensure the arm is level with the shoulder - not extended.
A digital inclinometer will be used to measure range of internal rotation (IR) of the dominant shoulder. This will be placed on the participant's forearm at the level of the lateral epicondyle. It will be held in place by a small piece of tape. an initial reading will be recorded.
Commencing at the mid point of IR/ER ( designated 90 degrees to the total range of IR will be measured.
The investigator will palpate the humeral head with one finger and the other finger will be placed on the coracoid process of the scapula. This point is considered to be the point when the scapula starts to move with the humeral head (i.e. the limit of glenohumeral IR. This measure will be repeated three(3) times and the range on the inclinometer recorded by an assistant
The other side will then be tested in the same manner.
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Assessment method [1]
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Timepoint [1]
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Pre-measures - post-screening and acceptance into the study /pre teaching/demonstration of stretch
Post-measures at the end of the three (3) weeks stretching programme
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Secondary outcome [2]
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Measure of shoulder horizontal adduction.
The participant will be seated with feet flat on the floor .He/she will be asked to lift the dominant arm to 90 degrees of flexion and then move the arm across their chest as far as possible to the point of a feeling of stretch in the posterior aspect of their shoulder. This range will be measured with a universal goniometer placed on the superior aspect of the shoulder with the movable arm aligned along the arm. This measure will be repeated three(3) times.
The other arm will then be tested for comparison
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Assessment method [2]
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Timepoint [2]
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Pre- measures- Post screening and acceptance into the study /pre-teaching/demonstration of stretch.
Post-measures -at the end of the three (3) weeks stretching programme
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Eligibility
Key inclusion criteria
- Sex: males and females
- Ages: 18-35
- Population: overhead throwing athletes: cricketers, baseballers, tennis players, volleyballers
- Minimum 2 hours overhead throwing per week
- Posterior shoulder tightness identified through:
- Greater than 10 degrees asymmetry between the dominant arm and non- dominant arm in shoulder internal rotation
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Minimum age
18
Years
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Maximum age
35
Years
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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
- Undergoing current treatment for shoulder pain
- Intending to seek treatment for shoulder pain in the next 3 weeks
- Previous shoulder injury in the last 3 months
- Shoulder surgery in the last 6 months
- Shoulder dislocation/ recurrent dislocation
- Cervical spine pain or disorders
- Previous recent history of fracture to the humerus
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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)
Participants will be randomly allocated into their group using numbered, sealed, opaque envelopes.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Random number table
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people administering the treatment/s
The people assessing the outcomes
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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
Repeated measures ANOVA.
A sample size of 22 participants in each group will provide the power to detect a 1 standard deviation effect size in (the outcome) between the groups. This power calculation is based on a superiority design and a continuous outcome variable (power=90%, significance 5%)
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
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Actual
11/08/2016
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Date of last participant enrolment
Anticipated
31/03/2023
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Actual
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Date of last data collection
Anticipated
31/03/2023
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Actual
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Sample size
Target
22
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Accrual to date
15
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Final
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Recruitment in Australia
Recruitment state(s)
QLD
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Recruitment postcode(s) [1]
13289
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4000 - Brisbane
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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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Australian Catholic University
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Address [1]
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1100 Nudgee Road Banyo Brisbane Qld 4014
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Country [1]
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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 Brisbane Qld 4014
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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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Address [1]
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Country [1]
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Australian Catholic University Ethics Committee
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Ethics committee address [1]
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1100 Nudgee Road Banyo Brisbane Qld 4014
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
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16/05/2016
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Approval date [1]
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23/06/2016
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Ethics approval number [1]
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Summary
Brief summary
Shoulder impingement syndrome (SIS) represents the most common diagnosis for patients experiencing shoulder pain and is a prevalent condition in overhead athletes. Optimal performance of overhead sporting activities requires overheads athletes to have unrestricted, pain free arm range of motion (ROM). On examination, overhead throwers typically present with an increase in external rotation ROM accompanied by a concomitant decrease in internal rotation ROM. This asymmetrical ROM finding is well documented in the literature. It is postulated that posterior capsule tightness (PST) causes de-centering of the humeral head within the glenohumeral joint with compression of tissues in that joint space and consequent pain and restriction of movement. Clinically, a variety of techniques are implemented to address PST. These include stretching, joint mobilisations and strengthening exercises with varying degrees of success. Outcomes of treatment are commonly measured using pain, disability questionnaires or changes in ROM in order to determine the effectiveness of the treatment program. However, despite studies showing the effects of PST on acromio-humeral distance (AHD) and anterior translation of the humeral head, few studies have focussed on whether or not there is a normalisation of humeral head position, with resolution of PST and reduction in pain with movement following treatment. Therefore this research project will aim to investigate whether a modified sleeper stretch or cross body stretch is most effective at addressing PST, AHD and anterior humeral translation in overhead athletes using diagnostic ultrasound to measure the changes in the subacromial space and humeral head position.
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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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Ms Pam Teys
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Address
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Office TB 25
Australian Catholic University 1100 Nudgee Road
Banyo Brisbane QLD 4014
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Country
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Australia
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Phone
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+6136237689
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Fax
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+6136237650
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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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Pam Teys
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Address
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Office TB 25
Australian Catholic University 1100 Nudgee Road
Banyo Brisbane QLD 4014
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Country
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Australia
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Phone
66079
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+6136237689
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Fax
66079
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+6136237650
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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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Pam Teys
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Address
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Office TB 25
Australian Catholic University 1100 Nudgee Road
Banyo Brisbane QLD 4014
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Country
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Australia
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Phone
66080
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+6136237689
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Fax
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+6136237650
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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)?
No
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No/undecided IPD sharing reason/comment
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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.
Download to PDF