What is it about?
Carrying backpack with a load 7.5% of the child’s body weight alters the head posture and GRFs values
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Why is it important?
The findings of this study were a significant reduction in the craniovertebral angle (or increased forward head position) and an increase in the GRFs were found whilst carrying a backpack weighing 7.5% of children body weight. This implies carrying a backpack weighing 7.5% of body weight would be too heavy for primary school students aged 8 to 12 years to be able to maintain their normal postural alignment. Therefore, carrying backpack with small value of the child’s body weight may produce alteration of head posture and GRFs values during normal walking.
Perspectives
The previous studies focused on the effect of magnitude of load on the trunk movement during backpack carrying without paying attention to its effect on cervical angles as craniohorizontal angle (CHA), sagittal shoulder posture (SSP), craniovertebral angle (CVA), or GRFs in school children.
Prof. Dr. Amr Almaz Abdel-aziem
Faculty of Physical Therapy, Cairo University
Read the Original
This page is a summary of: Backpack carriage effect on head posture and ground reaction forces in school children, Work, August 2015, IOS Press,
DOI: 10.3233/wor-152043.
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