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| Primary outcome 1: | muscle soreness |
| Timepoint: | longitudinal design (soreness is evaluated weekly for 12 weeks) |
| Primary outcome 2: | injury |
| Timepoint: | survival analysis of times to injuries observed in a 12 week monitoring period |
| Secondary outcome 1: | severity of soreness (11-point scale) |
| Timepoint: | longitudinal design (soreness is evaluated weekly for 12 weeks) |
| Secondary outcome 2: | injuries for which medical attention is sought |
| Timepoint: | survival analysis of times to injuries observed in a 12 week monitoring |
| Secondary outcome 3: | injuries that might be prevented by stretching |
| Timepoint: | survival analysis of times to injuries observed in a 12 week monitoring period |
| Secondary outcome 4: | perception of "looseness" during and after exercise (11-point scale) |
| Timepoint: | longitudinal design (looseness is evaluated weekly for 12 weeks) |
Page 5
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Key inclusion criteria:
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1. aged 18 years or over. 2. able to read and write in English or Norwegian. 3. takes part in vigorous physical activity on at least one day in the past week 4. regularly accesses internet and email 5. willing to stop stretching (if currently stretching) or begin stretching (if currently not stretching) before and after exercise |
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Reason:
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Minimum Age:
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18
Years
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Reason:
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Maximum Age:
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No limit
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Gender:
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Both males and females |
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Reason:
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Healthy volunteers?
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Yes |
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Reason:
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Key exclusion criteria:
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has a lower limb or back injury that restricts participation in vigorous physical activity |
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Reason:
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Page 6
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Study type: |
Interventional |
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Reason:
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Purpose of the study: |
Prevention |
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Allocation to intervention: |
Randomised controlled trial |
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Reason:
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Describe the procedure for enrolling a subject and allocating the treatment (allocation concealment procedures): |
Participants visit the trial web site and answer screening questions. If they are eligible and consent they are randomised online. |
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Reason:
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Describe the methods used to generate the sequence in which subjects will be randomised (sequence generation): |
Simple (unrestricted) randomisation by computer |
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Reason:
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Masking / blinding: |
Open (masking not used) |
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Reason:
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Reason:
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Assignment: |
Parallel |
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Reason:
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Other design features (specify): |
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Update:
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Reason:
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Type of endpoint(s): |
Efficacy |
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Reason:
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Update:
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Reason:
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Update:
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Page 7
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Phase |
Phase 3 |
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Reason:
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Anticipated or actual start date: |
21/01/2008 |
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Reason:
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Target sample size: |
2388 |
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Reason:
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Recruitment status: |
Closed: follow-up complete |
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Page 8
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| Funding source: | Government funding body e.g. Australian Research Council |
| Name: | New South Wales Sporting Injuries Commission |
| Address: | 95-100 Donnison St
Gosford NSW 2250 |
| Country: | Australia |
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Primary sponsor: |
Government funding body e.g. Department of Health |
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Reason:
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Name: |
Nasjonalt Kunnskapssenter for Helsetjenesten |
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Reason:
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Address: |
Postboks 7004 St. Olavsplass, 0031 Oslo |
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Reason:
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| Country:
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Norway |
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Reason:
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| Secondary sponsor: | University |
| Name: | University of Sydney |
| Address: | The University of Sydney NSW 2006 |
| Country: | Australia |
| Other collaborator: | |
Page 9
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Has the study received approval from at least one ethics committee? |
Yes |
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Update:
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Reason:
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| Ethics Committee name: | University of Sydney Human Research Ethics Committee |
| Address: | The University of Sydney NSW 2006 |
| Country: | Australia |
| Date of approval: | 19/12/2006 |
| HREC Number: | 12-2006/9535 |
| Countries of recruitment: | Australia |
| Postcode: | The trial is internet-based and open to the whole world of English and Norwegian speakers |
| Outside Australia |
| Afghanistan |
| Albania |
| Algeria |
| American Samoa |
| Andorra |
| Angola |
| Anguilla |
| Antarctica |
| Antigua and Barbuda |
| Argentina |
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Brief summary: |
The primary objectives of this trial are to determine if a program of stretching before and after vigorous physical activity reduces risk of experiencing soreness after physical activity or reduces the risk of incurring an injury while participating in vigorous physical activity |
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Reason:
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Trial website: |
English: http://www.stretchingstudy.nokc.no/ Norwegian http://www.toyningsstudien.nokc.no/ |
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Presentations / publication list: |
Jamtvedt G, Herbert RD, Flottorp S, Odgaard-Jensen J, HÄvelsrud K, Barratt A, Mathieu E, Burls A, Oxman AD (in press, accepted 29 May 2009). A pragmatic randomised trial of stretching before and after physical activity to prevent injury and soreness. British Journal of Sports Medicine. |
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Page 10
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Contact person for public queries
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Name: |
Dr Rob Herbert |
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Reason:
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Address: |
The George Institute for International Health |
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Reason:
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Country: |
Australia |
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Reason:
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Tel: |
none |
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Reason:
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Fax: |
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Update:
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Email: |
stretch@health.usyd.edu.au |
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Reason:
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Contact person for scientific queries |
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Name: |
Dr Rob Herbert |
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Reason:
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Address: |
The George Institute for International Health |
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Country: |
Australia |
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Reason:
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Tel: |
none |
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Update:
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Fax: |
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Update:
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Reason:
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Email: |
stretch@health.usyd.edu.au |
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Update:
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Reason:
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Contact person responsible for updating information |
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Name: |
Dr Rob Herbert |
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Update:
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Reason:
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Address: |
The George Institute for International Health |
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Update:
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Reason:
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Country: |
Australia |
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Update:
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Reason:
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Tel: |
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Update:
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Reason:
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Fax: |
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Update:
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Reason:
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Email: |
rherbert@george.org.au |
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Reason:
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