- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02254694
The Influence of High Heeled Shoes on the Sagittal Balance of the Spine and Whole Body
The purpose of this study is to investigate the influence of high heeled shoes on the sagittal balance of the spine and the whole body.
The investigators hypothesize that wearing high heeled shoes leads to a hyperlordosis of the cervical spine, a decrease of thoracic kyphosis, hyperlordosis of the lumbar spine and a posterior tilt of the pelvis resulting in a posterior shift of the body's center of gravity. This would be an explanation for the increased prevalence of back pain in individuals frequently wearing high heels.
In order to assess these changes, differences in the two following outcome parameters will be measured on a standing lateral EOS-radiograph of the whole body - barefoot and with high heeled shoes: spino-sacral angle (primary) and meatus plumb line (secondary) .
Study Overview
Detailed Description
Female volunteers (age ≥ 21 years) that are not frequent user of high heeled shoes (i.e. not longer than 6 hours/month with heels > 3 cm) will be included. Exclusion criteria are osseous metastases, missing written informed consent, cognitive inability to consent on their own, and pregnancy. Based on own preliminary studies, a sample size of 19 (+3 to anticipate drop outs) patients is aimed for.
After obtaining informed consent, the participants will be interviewed with special regard to their age, gender, height, weight, shoe size, past medical history, occupational and recreational activities, and duration and frequency of wearing high heeled shoes.
A clinical examination of the spine and pelvis will be performed as well as a pregnancy urine test.
Standing lateral EOS-radiographs (http://www.eos-imaging.com/) of the whole body will be taken - once barefoot and once with high heeled shoes (heel height 9 cm).
All data acquisition is going to be performed during a single session, participants will not be followed up.
The following parameters will be assessed on the radiographs: presence and number of (healed) fractures, osseous metastases, sagittal C7 plumb line, meatus plumb line, cervical lordosis, thoracic kyphosis, lumbar lordosis, spino- sacral angle as described by Roussouly et al. (2006), pelvic incidence, pelvic tilt.
For statistical analysis, all data will be collected in a statistic software file (SPSS. 21.0, SPSS Inc, Chicago, Illinois). After testing for normal distribution, these differences in means of the primary and secondary outcome parameters between the barefoot and the high heeled radiograph will be assessed using a paired Student's T-test or non-parametric tests. The level of significance is p < 0.05.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
ZH
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Zurich, ZH, Switzerland, 8091
- Klinik für Unfallchirurgie, University Hospital Zurich
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- not frequent user of high heeled shoes (i.e. not longer than 6 hours/month with heels > 3 cm)
Exclusion Criteria:
- osseous metastases
- missing written informed consent
- cognitive inability to consent on their own
- pregnancy
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: high heeled shoes
see detailed description
|
see detailed study description
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
spino-sacral angle
Time Frame: 1 day
|
"spino-sacral angle" measured on the lateral EOS-radiograph of the whole body as described in: "Classification of the normal variation in the sagittal alignment of the human lumbar spine and pelvis in the standing position."
Roussouly P, Gollogly S, Berthonnaud E, Dimnet J. Spine (Phila Pa 1976).
2005 Feb 1;30(3):346-53.
|
1 day
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
meatus plumb line
Time Frame: 1 day
|
plumb line from the meatus acusticus in relation to the calcaneal tuberosity on the lateral radiograph of the whole body
|
1 day
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Clément ML Werner, MD, Prof, University of Zurich, Klinik für Unfallchirurgie
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- SNCTP000000049
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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