الفهرس 
Effect of modern, technology on upper, body posture in normal developed children: Systematic Review
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Abstract
Modern technology plays a key role in daily human life. This involves keeping pace with rapid changes in the field of communication technology. The common posture when using smartphones and other touchscreen handheld devices involves holding the device by one or two hands under the eye level, looking below at the device then using the thumb to touch the screen device. This pattern of use leads to agree forward neck flexion which is regularly kept for long periods.
Aim of study: To determine the effect of, modern technology on upper body posture in, normal developed children.
Method: This review included normal developed Children aged between 3 to 12 years, received different types of modern technology. A search of electronic databases that involved, PubMed, Physical therapy Evidence Database, Google scholar was time to search from Jun 2020 ever till May 2021.Total studies after Preferred Reporting Items for Systematic review and Meta-Analysis (PRISMA) screening were Thirteen articles nonrandom that were met the inclusion criteria: descriptive for all studies.
Results: Totally the selected studies were recorded on their methodological rigor by the Physical therapy Evidence Data base (PEDro) scale and methodological index for non-randomized studies (MINORS) and found that modern technology had a harm effect on upper body posture in normal developed children on posture (Increase head, neck flexion and rounded shoulders posture in lying and sitting more in standing) and the more time it takes for two hours, the greater the effect on posture.
Conclusion: from clinical evidence the modern technology had a harm effect on upper body posture in normal developed children but further studies are needed to help the researchers and the parents