COMPARATIVE EFFECT OF BACK PACK AND MESSENGER BAG ON THE CRANIOVERTEBRAL ANGLE OF SECONDARY SCHOOL STUDENTS
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2017
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Abstract
Introduction: There is a growing concern that
overloaded children’s backpack and messenger bag may
lead to the development of musculoskeletal injuries.
Forward head posture and protracted shoulder are two
most common deformities causing postural deviations
resulting from frequent carrying of heavy backpacks and
messenger bags by children and adolescents.
Aim. This study is therefore aimed to compare the effect
of backpack and messenger bag on the Craniovertebral
angle (CVA) of secondary school students in selected
local government’s areas in Lagos State, Nigeria.
Methods: Two hundred (110(55%) females and 90(45%)
males) secondary students participated in this study.
They were within the age range of 10-18 years.
Participants were randomly assigned into 2 groups:
(group1-Back pack and group2-messenger bag) using
computer generated number sequence. The CVA was
obtained and was recorded photographically under
several load-carrying conditions.
Result: There was statistically significant difference
(p=0.000) in the CVA when the backpack or the
messenger bag was careried with 15% of their body
weight for both type of bags. There was also statistically
significant difference (p=0.000) in CVA when the
backpack or the messenger bag was carried and the
participants were placed on a form of brisk walking for
5minutes with the backpack/ messenger bag and the
additional 15% weight.
Conclusions: This study concluded that both the
backpack and the messenger bag caused a significant
change in the CVA of the participants when carried.
Carrying schoolbags weighing ≥ 15% of body weight
appeared to be too heavy to maintain normal standing
posture for school students.
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| Authors | A.K., Akodu;S.R.A., Akinbo;O.G., Olusetire; |
| Journal | romanian journal of physical therapy |
| Year | 2017 |
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