The study was done to:
1. Investigate the correlation between smart phone overuse and craniovertebral angle in adolescents. 2. Investigate the correlation between smart phone overuse and cervical muscle endurance in adolescents. 3. Investigate the correlation between smart phone overuse and temporomandibular joint proprioception in adolescents.
Both genders will be included.
Adolescents with age ranging from 17 to 19 years.
Adolescents using smart phone daily for not less than 4 years for 4 years.
All participants will be free from any medical disease, visual or hearing problem.
Adolescent who cannot understand or follow instructions.
Congenital or acquired spinal deformities.
Adolescents with obesity.
Athlete adolescents.