A convenient sample of 82 female students aged 18-24 years participated in analytic observational experiment cross section design. Students were recruited into two groups, practical and non-practical. to answer the following

1. Is there a difference in the prevalence of nerd neck between students of practical and non-practical studying groups at Taibah University from the sitting position?
2. Is there a difference in the prevalence of nerd neck between students of practical and non-practical studying groups at Taibah University from the standing position?

Inclusion Criteria:

• A convenient sample of 82 female students
• the age was between 18-24 years
• Students were recruited from practical and non-practical faculties at taibah university.

Exclusion Criteria:

• we excluded Any student with previous neck or back surgery or history of previous accident
• Also, any student with history of cervical column fracture injury, scoliosis, severe thoracic kyphosis, torticollis, persistent respiratory problems, rheumatic disease.
• also we excluded any student with loss of standing balance and user of hearing aid

Practical group was recruited from college of Medical Rehabilitation Sciences and Applied Medical Sciences while non-practical group was recruited from Business Administration. Posters, word of mouth, and WhatsApp groups were used to recruit both groups.