الفهرس 
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Abstract
Children are the greatest investment of any community and the main basis for its development. Today, back pain in school children is becoming a new topic of growing health problem raising a red flag and an alarm about the dangers associated with improper body mechanics as regarding the musculoskeletal development of school age children.
This study aimed to evaluate the impact of health education program on body mechanics for primary school children through:
Assessing knowledge of school children about body mechanics.
Assessing body mechanics practice among primary school children.
Identifying environmental risk factors in schools.
Designing and implementing a health education program for primary school children as regarding body mechanics.
Evaluating the effect of health education program on body mechanics for primary school children.
Research Hypothesis
Health education program improve the knowledge and practices of primary school children about body mechanics.
Research design:-
A quasi experimental design was used in this study.
Summary
Sample:
A sample of 733 primary school children (PSC) were included in the study by applying a stratified multi-stage cluster random sample for selection.
Setting:
The study was conducted at 4 primary schools in Giza governorate.
Tools of data collection: Four tools were used to collect data in this study. They included self-administrated questionnaires sheet, physical examination assessment sheet, observational check lists, and student‘s records.
Results:
Finding reveled that, 92.1% and 85.4% post-program and after follow up respectively of the PSC had good knowledge regarding body mechanics compared to 21.4% preprogram. Also 85.9% and 70.9% of the primary school children post program and follow up respectively have satisfactory practices regarding body mechanics during sitting position compared to 8.2% preprogram.
While 10.5% and 40.6% of the primary school children post program and follow up respectively complained from back pain, body discomfort or pain compared to 94.7% preprogram. There were a statistically significant difference between demographic characteristics of PSC regarding knowledge of body mechanics and their age, mother’s
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education, mother’s occupation, and father’s education and family income.
Conclusion: The present study concluded that, implementation of the health education program on body mechanics for primary school children had a positive impact on improving knowledge and practice of primary school children, with a statistically significant differences between PSC’ knowledge and practices regarding body mechanics pre, post and follow up the health education program. There was a statistically significant differences found between both PSC’ lifestyle and PSC’ body discomfort or pain post and follow up the health education program in comparing with preprogram in all the tested items.
Recommendations: Based on the findings of this study, the following can be recommended: Introduce health education on proper body mechanics in the school curriculums. Involving teachers, parents, and school nurse. Provide lockers to keep children bags and other materials to prevent from discomforts. Consider different dimensions of children when choosing the decks, bench, tables, and computers. Develop plan with Ministry of Health and Population to repeat the program on body mechanics for school children in all the country