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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02725645
Other study ID # FCS-UFP-2016-03
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date June 2014
Est. completion date August 2015

Study information

Verified date October 2019
Source University Fernando Pessoa
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of the present study is to analyze the influence of four backpack loading conditions (0, 10, 15 and 20% of body weight) on the electromyographic activity of the neck and lumbar muscles of elementary school children.


Description:

Elementary school children participated in the present study, between the ages of 6 and 10. Bilateral sternocleidomastoid, rectus abdominis and erector spinae muscles activity were recorded using surface electromyography (sEMG), while tested for the effect of four randomized backpack loading conditions.


Recruitment information / eligibility

Status Completed
Enrollment 14
Est. completion date August 2015
Est. primary completion date July 2015
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 6 Years to 10 Years
Eligibility Inclusion Criteria:

- children with tutor consent

Exclusion Criteria:

- children with cognitive impairment

Study Design


Related Conditions & MeSH terms


Intervention

Other:
loading conditions
Different backpack loading conditions 0%, 10%, 15% and 20% allocated randomly

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
University Fernando Pessoa

Outcome

Type Measure Description Time frame Safety issue
Primary Muscle Activity as a Measure of Route Mean Square EMG signals were initially filtered with a Notch Filter of 50hz, due to the DC power line, using MATLAB 7.11 (v.2010). The signal was then detrended, converted into millivolts and normalized. the normalized signal was then used to calculate the route mean square. one year
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