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An observational cohort study, following the Strengthening the Reporting of Observational Studies in Epidemiology(STROBE) guidelines.
Two groups will be examined, a group composed by spanish acrobatic skydivers and a control group composed by general physically active population(GPAP).
Two groups will be examined for veryfing the morfology and the function of neck muscles.
The profesional group composed by spanish acrobatic skydivers and a general group composed by general physically active population(GPAP). Both groups are matched at known confounder outcomes such as: physical activity level, age, sex, body weight and history of neck pain. Frequency matching will be carried out, subjects will be matched on known confounders.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Profesional acrobatics | Profesional Acrobatic Skyedivers as the cort group |
| |
| General active participations | Adults with meched caracteristics with the profesional acrobatics |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Observation | Behavioral | Verification of morfology and functionality of neck muscles |
|
| Measure | Description | Time Frame |
|---|---|---|
| Anticipatory postural adjustment | Electromyographic test in ms.The myoelectric signal will be recorded by using mDurance R system (mDurance Solutions SL, Granada). The electrodes used will be pre-gelled Ag/AgCl with a diameter of 10mm and an interelectrode distance of 20mm. | 10 minutes |
| Isometric cervical strength | Measured in newton with heandheld Dynamometer (model 001165, Lafayette Instrument Company) | 10 minutes |
| Neck flexor and extensor endurance | Measures in seconds with a stopwatch | 10 minutes |
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Inclusion Criteria:
Exclusion Criteria:
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Participants with a high level of physical activity and actualy involved in skydiving practices.
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| ID | Term |
|---|---|
| C535425 | Congenital torticollis |
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| ID | Term |
|---|---|
| D019370 | Observation |
| ID | Term |
|---|---|
| D008722 | Methods |
| D008919 | Investigative Techniques |
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