- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05904834
Effect of a Flexibility Program on the Extensibility of the Hamstrings and the Thoracic and Lumbar Spinal Curvatures
The goal of this clinical trial is to analyse the effect of an intervention program based on hamstring flexibility on the extensibility and curvatures of the spine in dancers.
Participants will be dance student with ten years of experience that will undergo a program of stretching four times per week during seven weeks, followed by a detraining period, and a retraining period of three weeks. There will be a pre-test, a post-test and two re-tests after the intervention.
The results will be compared with a control group of dancers that will not take part in the stretching program.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Four measurements were carried out, one before the intervention (pre-test), one after the first stretching programme (post-test), one after a short period of detraining (re-test 1) and the last one at the end of a second period of intervention (re-test 2), analysing the intra-group and inter-group differences for each of the dependent variables.
The sample components (n=61) were divided into two groups following a random distribution carried out by an external researcher. The intervention group (IG), which consisted of 31 dancers, underwent the hamstring stretching programme for a first period of 7 weeks and a second period of 3 weeks after a short period of detraining. The intervention consisted of static and dynamic stretching of the hamstring muscles 4 days per week. The control group (CG), composed of 30 dancers, did not perform the stretching programme. Both groups attended their practical classes in the conservatory. During the detraining period the dancers of both groups took a break from physical exercise.
The variables measured are hamstring extensibility and sagittal spine disposition and pelvic tilt.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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-
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Murcia, Spain, 30107
- Universidad Católica San Antonio
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
The inclusion criteria were:
- students enrolled for at least 18 ECTS credits at the High Conservatory of Dance;
- previous experience of 10 years in dance;
- practice dance at least 4 days a week;
(c) not suffer from any chronic pathology or at the time of the study; (d) not practising any other physical exercise apart from dance.
Exclusion criteria:
- Not attending at least 80% of the practical sessions of the Conservatory throughout the programme;
- being pregnant at the beginning of the study or getting pregnant during the development of the study;
- having undergone surgery on the spine or hamstring musculature;
- having suffered a hamstring injuries in the last year or during the study;
- having structured spinal disorders;
- having an injury at the time of the assessment that prevents her from taking the measurements;
- stretching of the hamstring musculature outside the conservatory.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
No Intervention: No training
The control group will continue with their training routine during the experiment.
|
|
Experimental: Flexibility training
The intervention group will undergo a flexibility training focused on hamstring extensibility.
Each will they will take part in four stretching sessions besides the normal dance training.
|
Each session consisted of three or four exercises, of which three were static stretches and if there was a fourth, it was dynamic.
The duration of each exercise was 20 seconds with 15 seconds rest between sets and 30 seconds rest between exercises.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Linear hamstring flexibility
Time Frame: Pre-test (week 1)
|
The flexibility of the hamstring will be assessed with different linear test.
Sit and reach test will be performed and the measure will be reported in centimeters
|
Pre-test (week 1)
|
Linear hamstring flexibility
Time Frame: Post-test (week 8)
|
The flexibility of the hamstring will be assessed with different linear test.
Sit and reach test will be performed and the measure will be reported in centimeters
|
Post-test (week 8)
|
Linear hamstring flexibility
Time Frame: Re-test 1 (week 11)
|
The flexibility of the hamstring will be assessed with different linear test.
Sit and reach test will be performed and the measure will be reported in centimeters
|
Re-test 1 (week 11)
|
Linear hamstring flexibility
Time Frame: Re-test 2 (week 14)
|
The flexibility of the hamstring will be assessed with different linear test.
Sit and reach test will be performed and the measure will be reported in centimeters
|
Re-test 2 (week 14)
|
Angular hamstring flexibility
Time Frame: Pre-test (week 1)
|
The flexibility of the hamstring will be assessed with angular tests.
Straight leg raise will be performed in the active and passive versions and the result will be reported in grades
|
Pre-test (week 1)
|
Angular hamstring flexibility
Time Frame: Post-test (week 8)
|
The flexibility of the hamstring will be assessed with angular tests.
Straight leg raise will be performed in the active and passive versions and the result will be reported in grades
|
Post-test (week 8)
|
Angular hamstring flexibility
Time Frame: Re-test 1 (week 11)
|
The flexibility of the hamstring will be assessed with angular tests.
Straight leg raise will be performed in the active and passive versions and the result will be reported in grades
|
Re-test 1 (week 11)
|
Angular hamstring flexibility
Time Frame: Re-test 2 (week 14)
|
The flexibility of the hamstring will be assessed with angular tests.
Straight leg raise will be performed in the active and passive versions and the result will be reported in grades
|
Re-test 2 (week 14)
|
Thoracic spinal curvatures
Time Frame: Pre-test (week 1)
|
The thoracic spinal curvatures will be assessed in different positions, including relaxed standing, the sit and reach test and Macrae & Wright test.
The result will be reported in grades.
|
Pre-test (week 1)
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Thoracic spinal curvatures
Time Frame: Post-test (week 8)
|
The thoracic spinal curvatures will be assessed in different positions, including relaxed standing, the sit and reach test and Macrae & Wright test.
The result will be reported in grades.
|
Post-test (week 8)
|
Thoracic spinal curvatures
Time Frame: Re-test 1 (week 11)
|
The thoracic spinal curvatures will be assessed in different positions, including relaxed standing, the sit and reach test and Macrae & Wright test.
The result will be reported in grades.
|
Re-test 1 (week 11)
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Thoracic spinal curvatures
Time Frame: Re-test 2 (month 14)
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The thoracic spinal curvatures will be assessed in different positions, including relaxed standing, the sit and reach test and Macrae & Wright test.
The result will be reported in grades.
|
Re-test 2 (month 14)
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Lumbar thoracic spinal curvatures
Time Frame: Pre-test (week 1)
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The lumbar spinal curvatures will be assessed in different positions, including relaxed standing, the sit and reach test and Macrae & Wright test.
The result will be reported in grades.
|
Pre-test (week 1)
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Lumbar thoracic spinal curvatures
Time Frame: Post-test (Week 8)
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The lumbar spinal curvatures will be assessed in different positions, including relaxed standing, the sit and reach test and Macrae & Wright test.
The result will be reported in grades.
|
Post-test (Week 8)
|
Lumbar thoracic spinal curvatures
Time Frame: Re-test 1 (week 11)
|
The lumbar spinal curvatures will be assessed in different positions, including relaxed standing, the sit and reach test and Macrae & Wright test.
The result will be reported in grades.
|
Re-test 1 (week 11)
|
Lumbar thoracic spinal curvatures
Time Frame: Re-test 2 (Week 14)
|
The lumbar spinal curvatures will be assessed in different positions, including relaxed standing, the sit and reach test and Macrae & Wright test.
The result will be reported in grades.
|
Re-test 2 (Week 14)
|
Pelvic Tilt
Time Frame: Pre-test (week 1)
|
The pelvic tilt will be assessed in different positions, including relaxed standing, the sit and reach test and Macrae & Wright test.
The result will be reported in grades.
|
Pre-test (week 1)
|
Pelvic Tilt
Time Frame: Post-test (Week 8)
|
The pelvic tilt will be assessed in different positions, including relaxed standing, the sit and reach test and Macrae & Wright test.
The result will be reported in grades.
|
Post-test (Week 8)
|
Pelvic Tilt
Time Frame: Re-test 1 (week 11)
|
The pelvic tilt will be assessed in different positions, including relaxed standing, the sit and reach test and Macrae & Wright test.
The result will be reported in grades.
|
Re-test 1 (week 11)
|
Pelvic Tilt
Time Frame: Re-test 2 (Week 14)
|
The pelvic tilt will be assessed in different positions, including relaxed standing, the sit and reach test and Macrae & Wright test.
The result will be reported in grades.
|
Re-test 2 (Week 14)
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 20092013
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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