Comparison the effect of smart phones addiction between children and Adolescents on posture deviations , physical fitness and intelligence in Egypt

Inclusion Criteria:

• Subjects with the following criteria will be enrolled in this study :

The participants will be from middle childhood to adolescents and their age will be ranged from 9to 18 years.

They had Body Mass Index (BMI) = 18.5 :40 . They have a score of 24 or more on the Smart phones addiction scale-short version.

Exclusion Criteria:

• Subjects will be excluded from the study if the participant has the followings that affect that study:

visual or hearing defects, cachexia, any neurological disorders and musculoskeletal problems, any congenital abnormalities .

Children and adolescents from 9 years to 18 years

The data will be shared upon the reasonable request from the principal investigator