Backpack Load and Spine Muscles Activity

Child Clinical Trial

— BLSMA  

Official title:

Influence of Different Backpack Loading Conditions on Neck and Lumbar Muscles Activity of Elementary School Children

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT02725645
• Other study ID #: FCS-UFP-2016-03
• Status: Completed
• Phase: N/A
• 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
• 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

Related Conditions & MeSH terms

• Child

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